mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-10-05 22:02:55 +01:00
Rework handling of C++ references. (#6268)
For now, map C++ reference types to const-qualified Carbon pointer types rather than picking between a (non-const) pointer or a value type. This fixes misbehavior in lowering for reference members in classes and reference return types. Update the special-case handling for references as function parameters so that it continues to map const reference parameters to Carbon pass-by-value, and unify the code paths for `self` parameters and other parameters, which were mostly doing the same thing but had some subtle differences. Add references to the list of types that we can pass to and from C++ directly, without needing an additional layer of thunks.
This commit is contained in:
Richard Smith
+5
-4
@@ -90,11 +90,11 @@ fn Call(n: Cpp.NeedThunk) {
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local i32 @_ZNK1A6by_valEv.carbon_thunk(ptr %this) #0 {
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// CHECK:STDOUT: define dso_local i32 @_ZNK1A6by_valEv.carbon_thunk(ptr nonnull align 8 dereferenceable(12) %this) #0 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %this.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8
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// CHECK:STDOUT: %0 = load ptr, ptr %this.addr, align 8
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// CHECK:STDOUT: %0 = load ptr, ptr %this.addr, align 8, !nonnull !9, !align !12
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// CHECK:STDOUT: %call = call i32 @_ZNK1A6by_valEv(ptr nonnull align 8 dereferenceable(12) %0)
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// CHECK:STDOUT: ret i32 %call
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// CHECK:STDOUT: }
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@@ -128,6 +128,7 @@ fn Call(n: Cpp.NeedThunk) {
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// CHECK:STDOUT: !9 = !{}
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// CHECK:STDOUT: !10 = !DILocation(line: 7, column: 10, scope: !7)
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// CHECK:STDOUT: !11 = !DILocation(line: 7, column: 3, scope: !7)
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// CHECK:STDOUT: !12 = !{i64 8}
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// CHECK:STDOUT: ; ModuleID = 'call_by_ref.carbon'
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// CHECK:STDOUT: source_filename = "call_by_ref.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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@@ -235,13 +236,13 @@ fn Call(n: Cpp.NeedThunk) {
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_ZNK9NeedThunk8ImplicitEa.carbon_thunk(ptr %this, ptr %c) #1 {
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// CHECK:STDOUT: define dso_local void @_ZNK9NeedThunk8ImplicitEa.carbon_thunk(ptr nonnull align 1 dereferenceable(1) %this, ptr %c) #1 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %this.addr = alloca ptr, align 8
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// CHECK:STDOUT: %c.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8
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// CHECK:STDOUT: store ptr %c, ptr %c.addr, align 8
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// CHECK:STDOUT: %0 = load ptr, ptr %this.addr, align 8
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// CHECK:STDOUT: %0 = load ptr, ptr %this.addr, align 8, !nonnull !9
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// CHECK:STDOUT: %1 = load ptr, ptr %c.addr, align 8
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// CHECK:STDOUT: %2 = load i8, ptr %1, align 1
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// CHECK:STDOUT: call void @_ZNK9NeedThunk8ImplicitEa(ptr nonnull align 1 dereferenceable(1) %0, i8 signext %2)
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+385
-86
@@ -42,6 +42,35 @@ fn PassRefs() {
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Cpp.TakeConstIntRef(n);
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}
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// --- pass_references_via_thunk.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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class C {};
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class ForceThunk {};
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auto TakeCRef(C&, ForceThunk = {}) -> void;
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auto TakeCRRef(const C&, ForceThunk = {}) -> void;
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auto TakeConstCRef(const C&, ForceThunk = {}) -> void;
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auto TakeIntRef(int&, ForceThunk = {}) -> void;
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auto TakeIntRRef(int&&, ForceThunk = {}) -> void;
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auto TakeConstIntRef(const int&, ForceThunk = {}) -> void;
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''';
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fn PassRefs() {
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var c: Cpp.C;
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Cpp.TakeCRef(c);
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Cpp.TakeCRRef({} as Cpp.C);
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Cpp.TakeConstCRef(c);
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var n: i32;
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Cpp.TakeIntRef(n);
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Cpp.TakeIntRRef(42 as i32);
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Cpp.TakeConstIntRef(n);
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}
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// ============================================================================
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// Reference return values
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// ============================================================================
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@@ -64,11 +93,38 @@ auto ReturnConstIntRef() -> const int&;
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fn GetRefs() {
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var c1: Cpp.C* = Cpp.ReturnCRef();
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var c2: Cpp.C = Cpp.ReturnCRRef();
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var c2: Cpp.C* = Cpp.ReturnCRRef();
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var c3: const Cpp.C* = Cpp.ReturnConstCRef();
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var n1: i32* = Cpp.ReturnIntRef();
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var n2: i32 = Cpp.ReturnIntRRef();
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var n2: i32* = Cpp.ReturnIntRRef();
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var n3: const i32* = Cpp.ReturnConstIntRef();
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}
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// --- return_references_via_thunk.carbon
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library "[[@TEST_NAME]]";
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import Cpp inline '''
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class C {};
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class ForceThunk {};
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auto ReturnCRef(ForceThunk = {}) -> C&;
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auto ReturnCRRef(ForceThunk = {}) -> C&&;
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auto ReturnConstCRef(ForceThunk = {}) -> const C&;
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auto ReturnIntRef(ForceThunk = {}) -> int&;
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auto ReturnIntRRef(ForceThunk = {}) -> int&&;
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auto ReturnConstIntRef(ForceThunk = {}) -> const int&;
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''';
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fn GetRefs() {
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var c1: Cpp.C* = Cpp.ReturnCRef();
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var c2: Cpp.C* = Cpp.ReturnCRRef();
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var c3: const Cpp.C* = Cpp.ReturnConstCRef();
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var n1: i32* = Cpp.ReturnIntRef();
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var n2: i32* = Cpp.ReturnIntRRef();
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var n3: const i32* = Cpp.ReturnConstIntRef();
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}
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@@ -85,21 +141,29 @@ fn GetRefs() {
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// CHECK:STDOUT: %.loc19_18.2.temp = alloca {}, align 8, !dbg !11
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// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !12
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// CHECK:STDOUT: %.loc24_22.3.temp = alloca i32, align 4, !dbg !13
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// CHECK:STDOUT: %.loc25_23.2.temp = alloca i32, align 4, !dbg !14
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !10
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// CHECK:STDOUT: call void @_Z8TakeCRefR1C.carbon_thunk(ptr %c.var), !dbg !14
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// CHECK:STDOUT: call void @_Z8TakeCRefR1C(ptr %c.var), !dbg !15
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc19_18.2.temp), !dbg !11
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc19_18.2.temp, ptr align 1 @C.val.loc19_18.3, i64 0, i1 false), !dbg !11
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// CHECK:STDOUT: call void @_Z9TakeCRRefO1C.carbon_thunk(ptr %.loc19_18.2.temp), !dbg !15
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// CHECK:STDOUT: call void @_Z13TakeConstCRefRK1C.carbon_thunk(ptr %c.var), !dbg !16
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// CHECK:STDOUT: call void @_Z9TakeCRRefO1C.carbon_thunk(ptr %.loc19_18.2.temp), !dbg !16
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// CHECK:STDOUT: call void @_Z13TakeConstCRefRK1C.carbon_thunk(ptr %c.var), !dbg !17
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !12
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// CHECK:STDOUT: call void @_Z10TakeIntRefRi.carbon_thunk(ptr %n.var), !dbg !17
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// CHECK:STDOUT: call void @_Z10TakeIntRefRi(ptr %n.var), !dbg !18
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc24_22.3.temp), !dbg !13
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// CHECK:STDOUT: store i32 42, ptr %.loc24_22.3.temp, align 4, !dbg !13
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// CHECK:STDOUT: call void @_Z11TakeIntRRefOi.carbon_thunk(ptr %.loc24_22.3.temp), !dbg !18
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// CHECK:STDOUT: call void @_Z15TakeConstIntRefRKi.carbon_thunk(ptr %n.var), !dbg !19
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// CHECK:STDOUT: ret void, !dbg !20
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// CHECK:STDOUT: call void @_Z11TakeIntRRefOi.carbon_thunk(ptr %.loc24_22.3.temp), !dbg !19
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// CHECK:STDOUT: %.loc25_23.1 = load i32, ptr %n.var, align 4, !dbg !14
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc25_23.2.temp), !dbg !14
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// CHECK:STDOUT: store i32 %.loc25_23.1, ptr %.loc25_23.2.temp, align 4, !dbg !14
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// CHECK:STDOUT: call void @_Z15TakeConstIntRefRKi.carbon_thunk(ptr %.loc25_23.2.temp), !dbg !20
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// CHECK:STDOUT: ret void, !dbg !21
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z8TakeCRefR1C(ptr)
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z10TakeIntRefRi(ptr)
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
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// CHECK:STDOUT:
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@@ -107,18 +171,6 @@ fn GetRefs() {
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// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z8TakeCRefR1C.carbon_thunk(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
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// CHECK:STDOUT: call void @_Z8TakeCRefR1C(ptr nonnull align 1 dereferenceable(1) %1)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z8TakeCRefR1C(ptr nonnull align 1 dereferenceable(1)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z9TakeCRRefO1C.carbon_thunk(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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@@ -143,18 +195,6 @@ fn GetRefs() {
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// CHECK:STDOUT: declare void @_Z13TakeConstCRefRK1C(ptr nonnull align 1 dereferenceable(1)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z10TakeIntRefRi.carbon_thunk(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
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// CHECK:STDOUT: call void @_Z10TakeIntRefRi(ptr nonnull align 4 dereferenceable(4) %1)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z10TakeIntRefRi(ptr nonnull align 4 dereferenceable(4)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z11TakeIntRRefOi.carbon_thunk(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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@@ -179,7 +219,7 @@ fn GetRefs() {
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// CHECK:STDOUT: declare void @_Z15TakeConstIntRefRKi(ptr nonnull align 4 dereferenceable(4)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; uselistorder directives
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// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 3, 2, 1, 0 }
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// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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@@ -203,13 +243,166 @@ fn GetRefs() {
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// CHECK:STDOUT: !11 = !DILocation(line: 19, column: 17, scope: !7)
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// CHECK:STDOUT: !12 = !DILocation(line: 22, column: 3, scope: !7)
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// CHECK:STDOUT: !13 = !DILocation(line: 24, column: 19, scope: !7)
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// CHECK:STDOUT: !14 = !DILocation(line: 18, column: 3, scope: !7)
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// CHECK:STDOUT: !14 = !DILocation(line: 25, column: 23, scope: !7)
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// CHECK:STDOUT: !15 = !DILocation(line: 18, column: 3, scope: !7)
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// CHECK:STDOUT: !16 = !DILocation(line: 19, column: 3, scope: !7)
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// CHECK:STDOUT: !17 = !DILocation(line: 20, column: 3, scope: !7)
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// CHECK:STDOUT: !18 = !DILocation(line: 23, column: 3, scope: !7)
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// CHECK:STDOUT: !19 = !DILocation(line: 24, column: 3, scope: !7)
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// CHECK:STDOUT: !20 = !DILocation(line: 25, column: 3, scope: !7)
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// CHECK:STDOUT: !21 = !DILocation(line: 16, column: 1, scope: !7)
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// CHECK:STDOUT: ; ModuleID = 'pass_references_via_thunk.carbon'
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// CHECK:STDOUT: source_filename = "pass_references_via_thunk.carbon"
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// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
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// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
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// CHECK:STDOUT:
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// CHECK:STDOUT: %class.ForceThunk = type { i8 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: @C.val.loc20_18.3 = internal constant {} zeroinitializer
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @_CPassRefs.Main() !dbg !7 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %c.var = alloca {}, align 8, !dbg !10
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// CHECK:STDOUT: %.loc20_18.2.temp = alloca {}, align 8, !dbg !11
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// CHECK:STDOUT: %n.var = alloca i32, align 4, !dbg !12
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// CHECK:STDOUT: %.loc25_22.3.temp = alloca i32, align 4, !dbg !13
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// CHECK:STDOUT: %.loc26_23.2.temp = alloca i32, align 4, !dbg !14
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c.var), !dbg !10
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// CHECK:STDOUT: call void @_Z8TakeCRefR1C10ForceThunk.carbon_thunk1(ptr %c.var), !dbg !15
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc20_18.2.temp), !dbg !11
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 1 %.loc20_18.2.temp, ptr align 1 @C.val.loc20_18.3, i64 0, i1 false), !dbg !11
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// CHECK:STDOUT: call void @_Z9TakeCRRefRK1C10ForceThunk.carbon_thunk1(ptr %.loc20_18.2.temp), !dbg !16
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// CHECK:STDOUT: call void @_Z13TakeConstCRefRK1C10ForceThunk.carbon_thunk1(ptr %c.var), !dbg !17
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n.var), !dbg !12
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// CHECK:STDOUT: call void @_Z10TakeIntRefRi10ForceThunk.carbon_thunk1(ptr %n.var), !dbg !18
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc25_22.3.temp), !dbg !13
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// CHECK:STDOUT: store i32 42, ptr %.loc25_22.3.temp, align 4, !dbg !13
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// CHECK:STDOUT: call void @_Z11TakeIntRRefOi10ForceThunk.carbon_thunk1(ptr %.loc25_22.3.temp), !dbg !19
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// CHECK:STDOUT: %.loc26_23.1 = load i32, ptr %n.var, align 4, !dbg !14
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc26_23.2.temp), !dbg !14
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// CHECK:STDOUT: store i32 %.loc26_23.1, ptr %.loc26_23.2.temp, align 4, !dbg !14
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// CHECK:STDOUT: call void @_Z15TakeConstIntRefRKi10ForceThunk.carbon_thunk1(ptr %.loc26_23.2.temp), !dbg !20
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// CHECK:STDOUT: ret void, !dbg !21
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z8TakeCRefR1C10ForceThunk.carbon_thunk1(ptr nonnull align 1 dereferenceable(1) %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !nonnull !9
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// CHECK:STDOUT: call void @_Z8TakeCRefR1C10ForceThunk(ptr nonnull align 1 dereferenceable(1) %1)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z8TakeCRefR1C10ForceThunk(ptr nonnull align 1 dereferenceable(1)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z9TakeCRRefRK1C10ForceThunk.carbon_thunk1(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
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// CHECK:STDOUT: call void @_Z9TakeCRRefRK1C10ForceThunk(ptr nonnull align 1 dereferenceable(1) %1)
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z9TakeCRRefRK1C10ForceThunk(ptr nonnull align 1 dereferenceable(1)) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
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// CHECK:STDOUT: define dso_local void @_Z13TakeConstCRefRK1C10ForceThunk.carbon_thunk1(ptr %0) #2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: call void @_Z13TakeConstCRefRK1C10ForceThunk(ptr nonnull align 1 dereferenceable(1) %1)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z13TakeConstCRefRK1C10ForceThunk(ptr nonnull align 1 dereferenceable(1)) #3
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local void @_Z10TakeIntRefRi10ForceThunk.carbon_thunk1(ptr nonnull align 4 dereferenceable(4) %0) #2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !nonnull !9, !align !22
|
||||
// CHECK:STDOUT: call void @_Z10TakeIntRefRi10ForceThunk(ptr nonnull align 4 dereferenceable(4) %1)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z10TakeIntRefRi10ForceThunk(ptr nonnull align 4 dereferenceable(4)) #3
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local void @_Z11TakeIntRRefOi10ForceThunk.carbon_thunk1(ptr %0) #2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: call void @_Z11TakeIntRRefOi10ForceThunk(ptr nonnull align 4 dereferenceable(4) %1)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z11TakeIntRRefOi10ForceThunk(ptr nonnull align 4 dereferenceable(4)) #3
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local void @_Z15TakeConstIntRefRKi10ForceThunk.carbon_thunk1(ptr %0) #2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8
|
||||
// CHECK:STDOUT: call void @_Z15TakeConstIntRefRKi10ForceThunk(ptr nonnull align 4 dereferenceable(4) %1)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z15TakeConstIntRefRKi10ForceThunk(ptr nonnull align 4 dereferenceable(4)) #3
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; uselistorder directives
|
||||
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 4, 3, 2, 1, 0 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #2 = { alwaysinline mustprogress "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT: attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
|
||||
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
|
||||
// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
|
||||
// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !6 = !DIFile(filename: "pass_references_via_thunk.carbon", directory: "")
|
||||
// CHECK:STDOUT: !7 = distinct !DISubprogram(name: "PassRefs", linkageName: "_CPassRefs.Main", scope: null, file: !6, line: 17, type: !8, spFlags: DISPFlagDefinition, unit: !5)
|
||||
// CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
|
||||
// CHECK:STDOUT: !9 = !{}
|
||||
// CHECK:STDOUT: !10 = !DILocation(line: 18, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !11 = !DILocation(line: 20, column: 17, scope: !7)
|
||||
// CHECK:STDOUT: !12 = !DILocation(line: 23, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !13 = !DILocation(line: 25, column: 19, scope: !7)
|
||||
// CHECK:STDOUT: !14 = !DILocation(line: 26, column: 23, scope: !7)
|
||||
// CHECK:STDOUT: !15 = !DILocation(line: 19, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !16 = !DILocation(line: 20, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !17 = !DILocation(line: 23, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !17 = !DILocation(line: 21, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !18 = !DILocation(line: 24, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !19 = !DILocation(line: 25, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !20 = !DILocation(line: 16, column: 1, scope: !7)
|
||||
// CHECK:STDOUT: !20 = !DILocation(line: 26, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !21 = !DILocation(line: 17, column: 1, scope: !7)
|
||||
// CHECK:STDOUT: !22 = !{i64 4}
|
||||
// CHECK:STDOUT: ; ModuleID = 'return_references.carbon'
|
||||
// CHECK:STDOUT: source_filename = "return_references.carbon"
|
||||
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
|
||||
@@ -218,77 +411,51 @@ fn GetRefs() {
|
||||
// CHECK:STDOUT: define void @_CGetRefs.Main() !dbg !7 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %c1.var = alloca ptr, align 8, !dbg !10
|
||||
// CHECK:STDOUT: %c2.var = alloca {}, align 8, !dbg !11
|
||||
// CHECK:STDOUT: %c2.var = alloca ptr, align 8, !dbg !11
|
||||
// CHECK:STDOUT: %c3.var = alloca ptr, align 8, !dbg !12
|
||||
// CHECK:STDOUT: %n1.var = alloca ptr, align 8, !dbg !13
|
||||
// CHECK:STDOUT: %n2.var = alloca i32, align 4, !dbg !14
|
||||
// CHECK:STDOUT: %.loc22_35.1.temp = alloca i32, align 4, !dbg !15
|
||||
// CHECK:STDOUT: %n3.var = alloca ptr, align 8, !dbg !16
|
||||
// CHECK:STDOUT: %n2.var = alloca ptr, align 8, !dbg !14
|
||||
// CHECK:STDOUT: %n3.var = alloca ptr, align 8, !dbg !15
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c1.var), !dbg !10
|
||||
// CHECK:STDOUT: %ReturnCRef.call = call ptr @_Z10ReturnCRefv(), !dbg !17
|
||||
// CHECK:STDOUT: %ReturnCRef.call = call ptr @_Z10ReturnCRefv(), !dbg !16
|
||||
// CHECK:STDOUT: store ptr %ReturnCRef.call, ptr %c1.var, align 8, !dbg !10
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c2.var), !dbg !11
|
||||
// CHECK:STDOUT: call void @_Z11ReturnCRRefv.carbon_thunk(ptr %c2.var), !dbg !18
|
||||
// CHECK:STDOUT: %ReturnCRRef.call = call ptr @_Z11ReturnCRRefv(), !dbg !17
|
||||
// CHECK:STDOUT: store ptr %ReturnCRRef.call, ptr %c2.var, align 8, !dbg !11
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c3.var), !dbg !12
|
||||
// CHECK:STDOUT: %ReturnConstCRef.call = call ptr @_Z15ReturnConstCRefv(), !dbg !19
|
||||
// CHECK:STDOUT: %ReturnConstCRef.call = call ptr @_Z15ReturnConstCRefv(), !dbg !18
|
||||
// CHECK:STDOUT: store ptr %ReturnConstCRef.call, ptr %c3.var, align 8, !dbg !12
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n1.var), !dbg !13
|
||||
// CHECK:STDOUT: %ReturnIntRef.call = call ptr @_Z12ReturnIntRefv(), !dbg !20
|
||||
// CHECK:STDOUT: %ReturnIntRef.call = call ptr @_Z12ReturnIntRefv(), !dbg !19
|
||||
// CHECK:STDOUT: store ptr %ReturnIntRef.call, ptr %n1.var, align 8, !dbg !13
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n2.var), !dbg !14
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc22_35.1.temp), !dbg !15
|
||||
// CHECK:STDOUT: call void @_Z13ReturnIntRRefv.carbon_thunk(ptr %.loc22_35.1.temp), !dbg !15
|
||||
// CHECK:STDOUT: %.loc22_35.2 = load i32, ptr %.loc22_35.1.temp, align 4, !dbg !15
|
||||
// CHECK:STDOUT: store i32 %.loc22_35.2, ptr %n2.var, align 4, !dbg !14
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n3.var), !dbg !16
|
||||
// CHECK:STDOUT: %ReturnIntRRef.call = call ptr @_Z13ReturnIntRRefv(), !dbg !20
|
||||
// CHECK:STDOUT: store ptr %ReturnIntRRef.call, ptr %n2.var, align 8, !dbg !14
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n3.var), !dbg !15
|
||||
// CHECK:STDOUT: %ReturnConstIntRef.call = call ptr @_Z17ReturnConstIntRefv(), !dbg !21
|
||||
// CHECK:STDOUT: store ptr %ReturnConstIntRef.call, ptr %n3.var, align 8, !dbg !16
|
||||
// CHECK:STDOUT: store ptr %ReturnConstIntRef.call, ptr %n3.var, align 8, !dbg !15
|
||||
// CHECK:STDOUT: ret void, !dbg !22
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z10ReturnCRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z11ReturnCRRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z15ReturnConstCRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z12ReturnIntRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z13ReturnIntRRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare ptr @_Z17ReturnConstIntRefv()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
|
||||
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local void @_Z11ReturnCRRefv.carbon_thunk(ptr %return) #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8
|
||||
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8
|
||||
// CHECK:STDOUT: %call = call nonnull align 1 dereferenceable(1) ptr @_Z11ReturnCRRefv()
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 1 dereferenceable(1) ptr @_Z11ReturnCRRefv() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local void @_Z13ReturnIntRRefv.carbon_thunk(ptr %return) #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8
|
||||
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8
|
||||
// CHECK:STDOUT: %call = call nonnull align 4 dereferenceable(4) ptr @_Z13ReturnIntRRefv()
|
||||
// CHECK:STDOUT: %1 = load i32, ptr %call, align 4
|
||||
// CHECK:STDOUT: store i32 %1, ptr %0, align 4
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 4 dereferenceable(4) ptr @_Z13ReturnIntRRefv() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; uselistorder directives
|
||||
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 6, 5, 4, 3, 2, 1, 0 }
|
||||
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 5, 4, 3, 2, 1, 0 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT: attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
|
||||
@@ -308,11 +475,143 @@ fn GetRefs() {
|
||||
// CHECK:STDOUT: !12 = !DILocation(line: 19, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !13 = !DILocation(line: 21, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !14 = !DILocation(line: 22, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !15 = !DILocation(line: 22, column: 17, scope: !7)
|
||||
// CHECK:STDOUT: !16 = !DILocation(line: 23, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !17 = !DILocation(line: 17, column: 20, scope: !7)
|
||||
// CHECK:STDOUT: !18 = !DILocation(line: 18, column: 19, scope: !7)
|
||||
// CHECK:STDOUT: !19 = !DILocation(line: 19, column: 26, scope: !7)
|
||||
// CHECK:STDOUT: !20 = !DILocation(line: 21, column: 18, scope: !7)
|
||||
// CHECK:STDOUT: !15 = !DILocation(line: 23, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !16 = !DILocation(line: 17, column: 20, scope: !7)
|
||||
// CHECK:STDOUT: !17 = !DILocation(line: 18, column: 20, scope: !7)
|
||||
// CHECK:STDOUT: !18 = !DILocation(line: 19, column: 26, scope: !7)
|
||||
// CHECK:STDOUT: !19 = !DILocation(line: 21, column: 18, scope: !7)
|
||||
// CHECK:STDOUT: !20 = !DILocation(line: 22, column: 18, scope: !7)
|
||||
// CHECK:STDOUT: !21 = !DILocation(line: 23, column: 24, scope: !7)
|
||||
// CHECK:STDOUT: !22 = !DILocation(line: 16, column: 1, scope: !7)
|
||||
// CHECK:STDOUT: ; ModuleID = 'return_references_via_thunk.carbon'
|
||||
// CHECK:STDOUT: source_filename = "return_references_via_thunk.carbon"
|
||||
// CHECK:STDOUT: target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
|
||||
// CHECK:STDOUT: target triple = "x86_64-unknown-linux-gnu"
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: %class.ForceThunk = type { i8 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: define void @_CGetRefs.Main() !dbg !7 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %c1.var = alloca ptr, align 8, !dbg !10
|
||||
// CHECK:STDOUT: %c2.var = alloca ptr, align 8, !dbg !11
|
||||
// CHECK:STDOUT: %c3.var = alloca ptr, align 8, !dbg !12
|
||||
// CHECK:STDOUT: %n1.var = alloca ptr, align 8, !dbg !13
|
||||
// CHECK:STDOUT: %n2.var = alloca ptr, align 8, !dbg !14
|
||||
// CHECK:STDOUT: %n3.var = alloca ptr, align 8, !dbg !15
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c1.var), !dbg !10
|
||||
// CHECK:STDOUT: %ReturnCRef__carbon_thunk.call = call ptr @_Z10ReturnCRef10ForceThunk.carbon_thunk0(), !dbg !16
|
||||
// CHECK:STDOUT: store ptr %ReturnCRef__carbon_thunk.call, ptr %c1.var, align 8, !dbg !10
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c2.var), !dbg !11
|
||||
// CHECK:STDOUT: %ReturnCRRef__carbon_thunk.call = call ptr @_Z11ReturnCRRef10ForceThunk.carbon_thunk0(), !dbg !17
|
||||
// CHECK:STDOUT: store ptr %ReturnCRRef__carbon_thunk.call, ptr %c2.var, align 8, !dbg !11
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %c3.var), !dbg !12
|
||||
// CHECK:STDOUT: %ReturnConstCRef__carbon_thunk.call = call ptr @_Z15ReturnConstCRef10ForceThunk.carbon_thunk0(), !dbg !18
|
||||
// CHECK:STDOUT: store ptr %ReturnConstCRef__carbon_thunk.call, ptr %c3.var, align 8, !dbg !12
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n1.var), !dbg !13
|
||||
// CHECK:STDOUT: %ReturnIntRef__carbon_thunk.call = call ptr @_Z12ReturnIntRef10ForceThunk.carbon_thunk0(), !dbg !19
|
||||
// CHECK:STDOUT: store ptr %ReturnIntRef__carbon_thunk.call, ptr %n1.var, align 8, !dbg !13
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n2.var), !dbg !14
|
||||
// CHECK:STDOUT: %ReturnIntRRef__carbon_thunk.call = call ptr @_Z13ReturnIntRRef10ForceThunk.carbon_thunk0(), !dbg !20
|
||||
// CHECK:STDOUT: store ptr %ReturnIntRRef__carbon_thunk.call, ptr %n2.var, align 8, !dbg !14
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %n3.var), !dbg !15
|
||||
// CHECK:STDOUT: %ReturnConstIntRef__carbon_thunk.call = call ptr @_Z17ReturnConstIntRef10ForceThunk.carbon_thunk0(), !dbg !21
|
||||
// CHECK:STDOUT: store ptr %ReturnConstIntRef__carbon_thunk.call, ptr %n3.var, align 8, !dbg !15
|
||||
// CHECK:STDOUT: ret void, !dbg !22
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
|
||||
// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #0
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 1 dereferenceable(1) ptr @_Z10ReturnCRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 1 dereferenceable(1) ptr @_Z10ReturnCRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 1 dereferenceable(1) ptr @_Z10ReturnCRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 1 dereferenceable(1) ptr @_Z11ReturnCRRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 1 dereferenceable(1) ptr @_Z11ReturnCRRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 1 dereferenceable(1) ptr @_Z11ReturnCRRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 1 dereferenceable(1) ptr @_Z15ReturnConstCRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 1 dereferenceable(1) ptr @_Z15ReturnConstCRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 1 dereferenceable(1) ptr @_Z15ReturnConstCRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 4 dereferenceable(4) ptr @_Z12ReturnIntRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 4 dereferenceable(4) ptr @_Z12ReturnIntRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 4 dereferenceable(4) ptr @_Z12ReturnIntRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 4 dereferenceable(4) ptr @_Z13ReturnIntRRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 4 dereferenceable(4) ptr @_Z13ReturnIntRRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 4 dereferenceable(4) ptr @_Z13ReturnIntRRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress
|
||||
// CHECK:STDOUT: define dso_local nonnull align 4 dereferenceable(4) ptr @_Z17ReturnConstIntRef10ForceThunk.carbon_thunk0() #1 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %class.ForceThunk, align 1
|
||||
// CHECK:STDOUT: %call = call nonnull align 4 dereferenceable(4) ptr @_Z17ReturnConstIntRef10ForceThunk()
|
||||
// CHECK:STDOUT: ret ptr %call
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare nonnull align 4 dereferenceable(4) ptr @_Z17ReturnConstIntRef10ForceThunk() #2
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; uselistorder directives
|
||||
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 5, 4, 3, 2, 1, 0 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT: attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="0" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4}
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
|
||||
// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
|
||||
// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 0}
|
||||
// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C, file: !6, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !6 = !DIFile(filename: "return_references_via_thunk.carbon", directory: "")
|
||||
// CHECK:STDOUT: !7 = distinct !DISubprogram(name: "GetRefs", linkageName: "_CGetRefs.Main", scope: null, file: !6, line: 17, type: !8, spFlags: DISPFlagDefinition, unit: !5)
|
||||
// CHECK:STDOUT: !8 = !DISubroutineType(types: !9)
|
||||
// CHECK:STDOUT: !9 = !{}
|
||||
// CHECK:STDOUT: !10 = !DILocation(line: 18, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !11 = !DILocation(line: 19, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !12 = !DILocation(line: 20, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !13 = !DILocation(line: 22, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !14 = !DILocation(line: 23, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !15 = !DILocation(line: 24, column: 3, scope: !7)
|
||||
// CHECK:STDOUT: !16 = !DILocation(line: 18, column: 20, scope: !7)
|
||||
// CHECK:STDOUT: !17 = !DILocation(line: 19, column: 20, scope: !7)
|
||||
// CHECK:STDOUT: !18 = !DILocation(line: 20, column: 26, scope: !7)
|
||||
// CHECK:STDOUT: !19 = !DILocation(line: 22, column: 18, scope: !7)
|
||||
// CHECK:STDOUT: !20 = !DILocation(line: 23, column: 18, scope: !7)
|
||||
// CHECK:STDOUT: !21 = !DILocation(line: 24, column: 24, scope: !7)
|
||||
// CHECK:STDOUT: !22 = !DILocation(line: 17, column: 1, scope: !7)
|
||||
|
||||
Reference in New Issue
Block a user