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Add support for C++ pointers to Carbon methods (#7881)
C++ pointers to Carbon methods are supported using the same mechanisms as for Carbon functions: we export the method to C++ and then form a pointer to the exported method. This change does not support invoking a C++ method pointer from Carbon, which will be more complicated because we need to model instance binding on the Carbon side.
This commit is contained in:
Geoff Romer authored and 
GitHub committed
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@@ -0,0 +1,401 @@
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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/full.carbon
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/lower/testdata/interop/cpp/function/import/method_ptr.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/lower/testdata/interop/cpp/function/import/method_ptr.carbon
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// --- method_ptr.h
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class C {
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public:
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void Method(int i) const;
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};
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using MethodPtrType = void(C::*)() const;
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auto GetMethodPtr() -> MethodPtrType;
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void TakeMethodPtr(MethodPtrType);
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template <typename C>
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void TakeGenericMethodPtr(void(C::* ptr)() const);
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// --- relay_method_ptr.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "method_ptr.h";
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fn G() {
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Cpp.TakeMethodPtr(Cpp.GetMethodPtr());
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}
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// --- convert_method_ptr.carbon
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library "[[@TEST_NAME]]";
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import Cpp;
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class C {
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fn Method(self);
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}
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inline Cpp '''c++
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using MethodPtrType = void(Carbon::C::*)() const;
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''';
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fn G() {
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var unused ptr: Cpp.MethodPtrType = C.Method;
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}
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// --- pass_method_ptr.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "method_ptr.h";
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class C {
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fn Method(self);
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}
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fn F() {
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Cpp.TakeGenericMethodPtr(C.Method);
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}
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// CHECK:STDOUT: ; ---
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// CHECK:STDOUT: ; ModuleID = 'relay_method_ptr.carbon'
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// CHECK:STDOUT: source_filename = "relay_method_ptr.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: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CG.Main() #0 !dbg !11 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.loc6_38.1.temp = alloca ptr, align 8, !dbg !12
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// CHECK:STDOUT: %.loc6_38.5.temp = alloca ptr, align 8, !dbg !12
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc6_38.1.temp), !dbg !12
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// CHECK:STDOUT: call void @_Z12GetMethodPtrv.carbon_thunk.(ptr %.loc6_38.1.temp), !dbg !12
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// CHECK:STDOUT: %.loc6_38.4 = load ptr, ptr %.loc6_38.1.temp, align 8, !dbg !12
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc6_38.5.temp), !dbg !12
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// CHECK:STDOUT: store ptr %.loc6_38.4, ptr %.loc6_38.5.temp, align 8, !dbg !12
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// CHECK:STDOUT: call void @_Z13TakeMethodPtrM1CKFvvE.carbon_thunk._(ptr %.loc6_38.5.temp), !dbg !13
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// CHECK:STDOUT: call void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %.loc6_38.5.temp), !dbg !12
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// CHECK:STDOUT: call void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %.loc6_38.1.temp), !dbg !12
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// CHECK:STDOUT: ret void, !dbg !14
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
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// CHECK:STDOUT: define internal void @_Z12GetMethodPtrv.carbon_thunk.(ptr noundef %return) #1 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %return.addr = alloca ptr, align 8
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// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !22
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// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !22
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// CHECK:STDOUT: %call = call { i64, i64 } @_Z12GetMethodPtrv()
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// CHECK:STDOUT: store { i64, i64 } %call, ptr %0, align 8, !tbaa !23
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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: ; Function Attrs: alwaysinline mustprogress uwtable
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// CHECK:STDOUT: define internal void @_Z13TakeMethodPtrM1CKFvvE.carbon_thunk._(ptr noundef %0) #1 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %.addr = alloca ptr, align 8
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// CHECK:STDOUT: %coerce = alloca { i64, i64 }, align 8
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// CHECK:STDOUT: store ptr %0, ptr %.addr, align 8, !tbaa !22
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// CHECK:STDOUT: %1 = load ptr, ptr %.addr, align 8, !tbaa !22
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// CHECK:STDOUT: %2 = load { i64, i64 }, ptr %1, align 8, !tbaa !23
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// CHECK:STDOUT: store { i64, i64 } %2, ptr %coerce, align 8, !tbaa !23
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// CHECK:STDOUT: %3 = getelementptr inbounds nuw { i64, i64 }, ptr %coerce, i32 0, i32 0
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// CHECK:STDOUT: %4 = load i64, ptr %3, align 8
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// CHECK:STDOUT: %5 = getelementptr inbounds nuw { i64, i64 }, ptr %coerce, i32 0, i32 1
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// CHECK:STDOUT: %6 = load i64, ptr %5, align 8
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// CHECK:STDOUT: call void @_Z13TakeMethodPtrM1CKFvvE(i64 %4, i64 %6)
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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: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %self) #0 !dbg !15 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !17
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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)) #2
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare { i64, i64 } @_Z12GetMethodPtrv() #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @_Z13TakeMethodPtrM1CKFvvE(i64, i64) #3
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; uselistorder directives
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// CHECK:STDOUT: uselistorder ptr @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core", { 1, 0 }
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// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 1, 0 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT: attributes #1 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT: attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.dbg.cu = !{!5}
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// CHECK:STDOUT: !llvm.module.flags = !{!24, !25, !26, !2, !3}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!29}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !4 = !DIFile(filename: "relay_method_ptr.carbon", directory: "")
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// CHECK:STDOUT: !5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !4, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !6 = !{null}
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// CHECK:STDOUT: !7 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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// CHECK:STDOUT: !9 = !{null, !8}
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// CHECK:STDOUT: !10 = !DISubroutineType(types: !9)
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// CHECK:STDOUT: !11 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !4, line: 5, type: !7, spFlags: DISPFlagDefinition, unit: !5)
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// CHECK:STDOUT: !12 = !DILocation(line: 6, column: 21, scope: !11)
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// CHECK:STDOUT: !13 = !DILocation(line: 6, column: 3, scope: !11)
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// CHECK:STDOUT: !14 = !DILocation(line: 5, column: 1, scope: !11)
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// CHECK:STDOUT: !15 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.659d177172b60c17:core.Destroy.Core", scope: null, file: !4, line: 6, type: !10, spFlags: DISPFlagDefinition, unit: !5, retainedNodes: !18)
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// CHECK:STDOUT: !16 = !DILocalVariable(arg: 1, scope: !15, type: !8)
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// CHECK:STDOUT: !17 = !DILocation(line: 6, column: 21, scope: !15)
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// CHECK:STDOUT: !18 = !{!16}
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// CHECK:STDOUT: !19 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !20 = !{!"omnipotent char", !19, i64 0}
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// CHECK:STDOUT: !21 = !{!"any pointer", !20, i64 0}
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// CHECK:STDOUT: !22 = !{!21, !21, i64 0}
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// CHECK:STDOUT: !23 = !{!20, !20, i64 0}
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// CHECK:STDOUT: !24 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !25 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !26 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !27 = !{!"int", !20, i64 0}
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// CHECK:STDOUT: !28 = !{!"__libc_errno", !27, i64 0}
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// CHECK:STDOUT: !29 = !{!28, !27, i64 0}
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; ---
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// CHECK:STDOUT: ; ModuleID = 'convert_method_ptr.carbon'
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// CHECK:STDOUT: source_filename = "convert_method_ptr.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: declare void @_CMethod.C.Main(ptr)
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CG.Main() #0 !dbg !32 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %ptr.var = alloca ptr, align 8, !dbg !33
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %ptr.var), !dbg !33
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// CHECK:STDOUT: store ptr @_CMethod.C.Main, ptr %ptr.var, align 8, !dbg !33
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// CHECK:STDOUT: call void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %ptr.var), !dbg !33
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// CHECK:STDOUT: ret void, !dbg !35
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
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// CHECK:STDOUT: define weak_odr void @"_C__destroy_thunk:thunk.C.Main"(ptr %self) #1 !dbg !36 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self), !dbg !38
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// CHECK:STDOUT: ret void, !dbg !38
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.cb8adced19392b99:core.Destroy.Core"(ptr %self) #0 !dbg !40 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !42
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self) #0 !dbg !44 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !46
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CMethod__carbon_thunk.C.Main(ptr %self) #0 !dbg !48 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: call void @_CMethod.C.Main(ptr %self), !dbg !51
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// CHECK:STDOUT: ret void, !dbg !51
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %self) #0 !dbg !53 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: ret void, !dbg !55
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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)) #2
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { nounwind }
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// CHECK:STDOUT: attributes #1 = { alwaysinline nounwind }
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// CHECK:STDOUT: attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.dbg.cu = !{!31}
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// CHECK:STDOUT: !llvm.module.flags = !{!24, !25, !26, !2, !3}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!29}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !6 = !{null}
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// CHECK:STDOUT: !7 = !DISubroutineType(types: !6)
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// CHECK:STDOUT: !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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// CHECK:STDOUT: !9 = !{null, !8}
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// CHECK:STDOUT: !10 = !DISubroutineType(types: !9)
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// CHECK:STDOUT: !19 = !{!"Simple C++ TBAA"}
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// CHECK:STDOUT: !20 = !{!"omnipotent char", !19, i64 0}
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// CHECK:STDOUT: !24 = !{i32 8, !"PIC Level", i32 2}
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// CHECK:STDOUT: !25 = !{i32 7, !"PIE Level", i32 2}
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// CHECK:STDOUT: !26 = !{i32 7, !"uwtable", i32 2}
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// CHECK:STDOUT: !27 = !{!"int", !20, i64 0}
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// CHECK:STDOUT: !28 = !{!"__libc_errno", !27, i64 0}
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// CHECK:STDOUT: !29 = !{!28, !27, i64 0}
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// CHECK:STDOUT: !30 = !DIFile(filename: "convert_method_ptr.carbon", directory: "")
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// CHECK:STDOUT: !31 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !30, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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// CHECK:STDOUT: !32 = distinct !DISubprogram(name: "G", linkageName: "_CG.Main", scope: null, file: !30, line: 13, type: !7, spFlags: DISPFlagDefinition, unit: !31)
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// CHECK:STDOUT: !33 = !DILocation(line: 14, column: 3, scope: !32)
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// CHECK:STDOUT: !35 = !DILocation(line: 13, column: 1, scope: !32)
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// CHECK:STDOUT: !36 = distinct !DISubprogram(name: "__destroy_thunk", linkageName: "_C__destroy_thunk:thunk.C.Main", scope: null, file: !30, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !39)
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// CHECK:STDOUT: !37 = !DILocalVariable(arg: 1, scope: !36, type: !8)
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// CHECK:STDOUT: !38 = !DILocation(line: 5, column: 1, scope: !36)
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// CHECK:STDOUT: !39 = !{!37}
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// CHECK:STDOUT: !40 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.cb8adced19392b99:core.Destroy.Core", scope: null, file: !30, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !43)
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// CHECK:STDOUT: !41 = !DILocalVariable(arg: 1, scope: !40, type: !8)
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// CHECK:STDOUT: !42 = !DILocation(line: 5, column: 1, scope: !40)
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// CHECK:STDOUT: !43 = !{!41}
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// CHECK:STDOUT: !44 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core", scope: null, file: !30, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !47)
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// CHECK:STDOUT: !45 = !DILocalVariable(arg: 1, scope: !44, type: !8)
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// CHECK:STDOUT: !46 = !DILocation(line: 5, column: 1, scope: !44)
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// CHECK:STDOUT: !47 = !{!45}
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// CHECK:STDOUT: !48 = distinct !DISubprogram(name: "Method__carbon_thunk", linkageName: "_CMethod__carbon_thunk.C.Main", scope: null, file: !30, line: 14, type: !10, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !52)
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// CHECK:STDOUT: !49 = !DILocalVariable(arg: 1, scope: !48, type: !8)
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// CHECK:STDOUT: !51 = !DILocation(line: 6, column: 3, scope: !48)
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// CHECK:STDOUT: !52 = !{!49}
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// CHECK:STDOUT: !53 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.659d177172b60c17:core.Destroy.Core", scope: null, file: !30, line: 14, type: !10, spFlags: DISPFlagDefinition, unit: !31, retainedNodes: !56)
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// CHECK:STDOUT: !54 = !DILocalVariable(arg: 1, scope: !53, type: !8)
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// CHECK:STDOUT: !55 = !DILocation(line: 14, column: 3, scope: !53)
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// CHECK:STDOUT: !56 = !{!54}
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; ---
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// CHECK:STDOUT: ; ModuleID = 'pass_method_ptr.carbon'
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// CHECK:STDOUT: source_filename = "pass_method_ptr.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:
|
||||
// CHECK:STDOUT: @.b35 = internal constant ptr @_CMethod.C.Main
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_CMethod.C.Main(ptr)
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define void @_CF.Main() #0 !dbg !59 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %.loc10_29.3.temp = alloca ptr, align 8, !dbg !60
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc10_29.3.temp), !dbg !60
|
||||
// CHECK:STDOUT: call void @_Z20TakeGenericMethodPtrIN6Carbon1CEEvMT_KFvvE.carbon_thunk._(ptr @.b35), !dbg !61
|
||||
// CHECK:STDOUT: call void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr @.b35), !dbg !60
|
||||
// CHECK:STDOUT: ret void, !dbg !62
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline nounwind
|
||||
// CHECK:STDOUT: define weak_odr void @"_C__destroy_thunk:thunk.C.Main"(ptr %self) #1 !dbg !63 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: call void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self), !dbg !65
|
||||
// CHECK:STDOUT: ret void, !dbg !65
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.cb8adced19392b99:core.Destroy.Core"(ptr %self) #0 !dbg !67 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: ret void, !dbg !69
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core"(ptr %self) #0 !dbg !71 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: ret void, !dbg !73
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define void @_CMethod__carbon_thunk.C.Main(ptr %self) #0 !dbg !75 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: call void @_CMethod.C.Main(ptr %self), !dbg !77
|
||||
// CHECK:STDOUT: ret void, !dbg !77
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
|
||||
// CHECK:STDOUT: define internal void @_Z20TakeGenericMethodPtrIN6Carbon1CEEvMT_KFvvE.carbon_thunk._(ptr noundef %ptr) #2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %ptr.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %coerce = alloca { i64, i64 }, align 8
|
||||
// CHECK:STDOUT: store ptr %ptr, ptr %ptr.addr, align 8, !tbaa !22
|
||||
// CHECK:STDOUT: %0 = load ptr, ptr %ptr.addr, align 8, !tbaa !22
|
||||
// CHECK:STDOUT: %1 = load { i64, i64 }, ptr %0, align 8, !tbaa !23
|
||||
// CHECK:STDOUT: store { i64, i64 } %1, ptr %coerce, align 8, !tbaa !23
|
||||
// CHECK:STDOUT: %2 = getelementptr inbounds nuw { i64, i64 }, ptr %coerce, i32 0, i32 0
|
||||
// CHECK:STDOUT: %3 = load i64, ptr %2, align 8
|
||||
// CHECK:STDOUT: %4 = getelementptr inbounds nuw { i64, i64 }, ptr %coerce, i32 0, i32 1
|
||||
// CHECK:STDOUT: %5 = load i64, ptr %4, align 8
|
||||
// CHECK:STDOUT: call void @_Z20TakeGenericMethodPtrIN6Carbon1CEEvMT_KFvvE(i64 %3, i64 %5)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define weak_odr void @"_CSelfDestruct.659d177172b60c17:core.Destroy.Core"(ptr %self) #0 !dbg !79 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: ret void, !dbg !81
|
||||
// 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)) #3
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_Z20TakeGenericMethodPtrIN6Carbon1CEEvMT_KFvvE(i64, i64) #4
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: attributes #0 = { nounwind }
|
||||
// CHECK:STDOUT: attributes #1 = { alwaysinline nounwind }
|
||||
// CHECK:STDOUT: attributes #2 = { alwaysinline mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT: attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!58}
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!24, !25, !26, !2, !3}
|
||||
// CHECK:STDOUT: !llvm.errno.tbaa = !{!29}
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !2 = !{i32 7, !"Dwarf Version", i32 5}
|
||||
// CHECK:STDOUT: !3 = !{i32 2, !"Debug Info Version", i32 3}
|
||||
// CHECK:STDOUT: !6 = !{null}
|
||||
// CHECK:STDOUT: !7 = !DISubroutineType(types: !6)
|
||||
// CHECK:STDOUT: !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
|
||||
// CHECK:STDOUT: !9 = !{null, !8}
|
||||
// CHECK:STDOUT: !10 = !DISubroutineType(types: !9)
|
||||
// CHECK:STDOUT: !19 = !{!"Simple C++ TBAA"}
|
||||
// CHECK:STDOUT: !20 = !{!"omnipotent char", !19, i64 0}
|
||||
// CHECK:STDOUT: !21 = !{!"any pointer", !20, i64 0}
|
||||
// CHECK:STDOUT: !22 = !{!21, !21, i64 0}
|
||||
// CHECK:STDOUT: !23 = !{!20, !20, i64 0}
|
||||
// CHECK:STDOUT: !24 = !{i32 8, !"PIC Level", i32 2}
|
||||
// CHECK:STDOUT: !25 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !26 = !{i32 7, !"uwtable", i32 2}
|
||||
// CHECK:STDOUT: !27 = !{!"int", !20, i64 0}
|
||||
// CHECK:STDOUT: !28 = !{!"__libc_errno", !27, i64 0}
|
||||
// CHECK:STDOUT: !29 = !{!28, !27, i64 0}
|
||||
// CHECK:STDOUT: !57 = !DIFile(filename: "pass_method_ptr.carbon", directory: "")
|
||||
// CHECK:STDOUT: !58 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !57, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !59 = distinct !DISubprogram(name: "F", linkageName: "_CF.Main", scope: null, file: !57, line: 9, type: !7, spFlags: DISPFlagDefinition, unit: !58)
|
||||
// CHECK:STDOUT: !60 = !DILocation(line: 10, column: 28, scope: !59)
|
||||
// CHECK:STDOUT: !61 = !DILocation(line: 10, column: 3, scope: !59)
|
||||
// CHECK:STDOUT: !62 = !DILocation(line: 9, column: 1, scope: !59)
|
||||
// CHECK:STDOUT: !63 = distinct !DISubprogram(name: "__destroy_thunk", linkageName: "_C__destroy_thunk:thunk.C.Main", scope: null, file: !57, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !58, retainedNodes: !66)
|
||||
// CHECK:STDOUT: !64 = !DILocalVariable(arg: 1, scope: !63, type: !8)
|
||||
// CHECK:STDOUT: !65 = !DILocation(line: 5, column: 1, scope: !63)
|
||||
// CHECK:STDOUT: !66 = !{!64}
|
||||
// CHECK:STDOUT: !67 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.cb8adced19392b99:core.Destroy.Core", scope: null, file: !57, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !58, retainedNodes: !70)
|
||||
// CHECK:STDOUT: !68 = !DILocalVariable(arg: 1, scope: !67, type: !8)
|
||||
// CHECK:STDOUT: !69 = !DILocation(line: 5, column: 1, scope: !67)
|
||||
// CHECK:STDOUT: !70 = !{!68}
|
||||
// CHECK:STDOUT: !71 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.08d9e38b928ba575:core.Destroy.Core", scope: null, file: !57, line: 5, type: !10, spFlags: DISPFlagDefinition, unit: !58, retainedNodes: !74)
|
||||
// CHECK:STDOUT: !72 = !DILocalVariable(arg: 1, scope: !71, type: !8)
|
||||
// CHECK:STDOUT: !73 = !DILocation(line: 5, column: 1, scope: !71)
|
||||
// CHECK:STDOUT: !74 = !{!72}
|
||||
// CHECK:STDOUT: !75 = distinct !DISubprogram(name: "Method__carbon_thunk", linkageName: "_CMethod__carbon_thunk.C.Main", scope: null, file: !57, line: 6, type: !10, spFlags: DISPFlagDefinition, unit: !58, retainedNodes: !78)
|
||||
// CHECK:STDOUT: !76 = !DILocalVariable(arg: 1, scope: !75, type: !8)
|
||||
// CHECK:STDOUT: !77 = !DILocation(line: 6, column: 3, scope: !75)
|
||||
// CHECK:STDOUT: !78 = !{!76}
|
||||
// CHECK:STDOUT: !79 = distinct !DISubprogram(name: "SelfDestruct", linkageName: "_CSelfDestruct.659d177172b60c17:core.Destroy.Core", scope: null, file: !57, line: 10, type: !10, spFlags: DISPFlagDefinition, unit: !58, retainedNodes: !82)
|
||||
// CHECK:STDOUT: !80 = !DILocalVariable(arg: 1, scope: !79, type: !8)
|
||||
// CHECK:STDOUT: !81 = !DILocation(line: 10, column: 28, scope: !79)
|
||||
// CHECK:STDOUT: !82 = !{!80}
|
||||
// CHECK:STDOUT:
|
||||
Reference in new issue
Block a user