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Interop support for initialization via std::initializer_list. (#6672)
Add a new builtin function `cpp.std.initializer_list.make` that takes an array and returns a `std::initializer_list`, initialized to refer to that array. When C++ initialization wants to perform a `std::initializer_list`-from-array construction, synthesize a declaration of a matching builtin function and use that to perform the initialization. Ideally we would specify this conversion as an impl of `ImplicitAs` in the prelude instead of hardcoding it in the interop layer, but unfortunately that's not currently possible, for various reasons -- we can't make the conversion form-generic, we can't deduce the array length from the initializer, and we can't deduce against the arguments of imported C++ class templates yet -- so for now synthesizing a builtin function on demand is the best we can do. Assisted-by: Gemini 3 Pro via Antigravity
This commit is contained in:
Richard Smith
@@ -0,0 +1,516 @@
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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/std_initializer_list.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/std_initializer_list.carbon
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// --- initializer_list_pointer_pointer.h
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namespace std {
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using size_t = decltype(sizeof(0));
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template <typename T> class initializer_list {
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public:
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initializer_list() {}
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private:
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T* begin_ = nullptr;
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T* end_ = nullptr;
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};
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}
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struct vector_like {
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vector_like(std::initializer_list<int> list) {}
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~vector_like() {}
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};
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// --- initializer_list_pointer_size.h
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namespace std {
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using size_t = decltype(sizeof(0));
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template <typename T> class initializer_list {
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public:
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initializer_list() {}
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private:
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T* begin_ = nullptr;
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size_t size_ = 0;
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};
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}
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struct vector_like {
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vector_like(std::initializer_list<int> list) {}
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~vector_like() {}
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};
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// --- nontrivial_dtor.h
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struct nontrivial_dtor {
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nontrivial_dtor() {}
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~nontrivial_dtor() {}
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};
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// --- use_pointer_pointer.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "initializer_list_pointer_pointer.h";
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import Cpp library "nontrivial_dtor.h";
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// TODO: When we support more precise modeling of temporary lifetimes, ensure
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// that this is called *before* the elements of the underlying array are
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// destroyed in the non-vector-like cases.
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fn WithinLifetime();
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fn InitDirectly() {
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var _: Cpp.std.initializer_list(i32) = (1, 2, 3);
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WithinLifetime();
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}
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fn InitVectorLike() {
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var _: Cpp.vector_like = (1, 2, 3);
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WithinLifetime();
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}
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fn InitNontrivialDtor() {
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var _: Cpp.std.initializer_list(Cpp.nontrivial_dtor) = ((), (), ());
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WithinLifetime();
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}
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// --- use_pointer_size.carbon
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library "[[@TEST_NAME]]";
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import Cpp library "initializer_list_pointer_size.h";
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import Cpp library "nontrivial_dtor.h";
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// TODO: When we support more precise modeling of temporary lifetimes, ensure
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// that this is called *before* the elements of the underlying array are
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// destroyed in the non-vector-like cases.
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fn WithinLifetime();
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fn InitDirectly() {
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var _: Cpp.std.initializer_list(i32) = (1, 2, 3);
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WithinLifetime();
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}
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fn InitVectorLike() {
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var _: Cpp.vector_like = (1, 2, 3);
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WithinLifetime();
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}
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fn InitNontrivialDtor() {
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var _: Cpp.std.initializer_list(Cpp.nontrivial_dtor) = ((), (), ());
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WithinLifetime();
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}
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// CHECK:STDOUT: ; ModuleID = 'use_pointer_pointer.carbon'
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// CHECK:STDOUT: source_filename = "use_pointer_pointer.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.std::initializer_list" = type { ptr, ptr }
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// CHECK:STDOUT:
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// CHECK:STDOUT: $_ZN11vector_likeC2ESt16initializer_listIiE = comdat any
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// CHECK:STDOUT:
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// CHECK:STDOUT: $_ZN15nontrivial_dtorC2Ev = comdat any
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// CHECK:STDOUT:
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// CHECK:STDOUT: $_ZN11vector_likeD2Ev = comdat any
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// CHECK:STDOUT:
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// CHECK:STDOUT: @array.loc13_50.13 = internal constant [3 x i32] [i32 1, i32 2, i32 3]
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
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// CHECK:STDOUT: define dso_local void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr noundef %list, ptr noundef %return) #0 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %list.addr = alloca ptr, align 8
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// CHECK:STDOUT: %return.addr = alloca ptr, align 8
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// CHECK:STDOUT: %agg.tmp = alloca %"class.std::initializer_list", align 8
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// CHECK:STDOUT: store ptr %list, ptr %list.addr, align 8, !tbaa !12
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// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !15
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// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !15
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// CHECK:STDOUT: %1 = load ptr, ptr %list.addr, align 8, !tbaa !12
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %agg.tmp, ptr align 8 %1, i64 16, i1 false), !tbaa.struct !17
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// CHECK:STDOUT: %2 = getelementptr inbounds nuw { ptr, ptr }, ptr %agg.tmp, i32 0, i32 0
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// CHECK:STDOUT: %3 = load ptr, ptr %2, align 8
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// CHECK:STDOUT: %4 = getelementptr inbounds nuw { ptr, ptr }, ptr %agg.tmp, i32 0, i32 1
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// CHECK:STDOUT: %5 = load ptr, ptr %4, align 8
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// CHECK:STDOUT: call void @_ZN11vector_likeC2ESt16initializer_listIiE(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr %3, ptr %5)
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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: 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: mustprogress nounwind uwtable
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// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN11vector_likeC2ESt16initializer_listIiE(ptr noundef nonnull align 1 dereferenceable(1) %this, ptr %list.coerce0, ptr %list.coerce1) unnamed_addr #2 comdat align 2 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %list = alloca %"class.std::initializer_list", align 8
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// CHECK:STDOUT: %this.addr = alloca ptr, align 8
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// CHECK:STDOUT: %0 = getelementptr inbounds nuw { ptr, ptr }, ptr %list, i32 0, i32 0
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// CHECK:STDOUT: store ptr %list.coerce0, ptr %0, align 8
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// CHECK:STDOUT: %1 = getelementptr inbounds nuw { ptr, ptr }, ptr %list, i32 0, i32 1
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// CHECK:STDOUT: store ptr %list.coerce1, ptr %1, align 8
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// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8, !tbaa !15
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// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
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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 dso_local void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr noundef %return) #0 {
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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 !20
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// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !20
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// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %0)
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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: mustprogress nounwind uwtable
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// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN15nontrivial_dtorC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %this) unnamed_addr #2 comdat align 2 {
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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, !tbaa !20
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// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
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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 @_CWithinLifetime.Main()
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: nounwind
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// CHECK:STDOUT: define void @_CInitDirectly.Main() #3 !dbg !22 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %_.var = alloca [16 x i8], align 1, !dbg !25
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// CHECK:STDOUT: %.loc13_50.3.temp = alloca [3 x i32], align 4, !dbg !26
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !25
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc13_50.3.temp), !dbg !26
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// CHECK:STDOUT: %.loc13_50.4.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 0, !dbg !26
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// CHECK:STDOUT: %.loc13_50.7.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 1, !dbg !26
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// CHECK:STDOUT: %.loc13_50.10.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 2, !dbg !26
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc13_50.3.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !26
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !25
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// CHECK:STDOUT: store ptr %.loc13_50.3.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !25
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !25
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// CHECK:STDOUT: %initializer_list.initializer_list.call.array.end = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 1, !dbg !25
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// CHECK:STDOUT: store ptr %initializer_list.initializer_list.call.array.end, ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !25
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// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !27
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// CHECK:STDOUT: ret void, !dbg !28
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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 @_CInitVectorLike.Main() #3 !dbg !29 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %_.var = alloca {}, align 8, !dbg !30
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// CHECK:STDOUT: %.loc18_36.2.temp = alloca [16 x i8], align 1, !dbg !31
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// CHECK:STDOUT: %.loc18_36.4.temp = alloca [3 x i32], align 4, !dbg !31
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !30
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_36.2.temp), !dbg !31
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_36.4.temp), !dbg !31
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// CHECK:STDOUT: %.loc18_36.5.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 0, !dbg !31
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// CHECK:STDOUT: %.loc18_36.8.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 1, !dbg !31
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// CHECK:STDOUT: %.loc18_36.11.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 2, !dbg !31
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// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc18_36.4.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !31
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 0, !dbg !31
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// CHECK:STDOUT: store ptr %.loc18_36.4.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !31
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 8, !dbg !31
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// CHECK:STDOUT: %initializer_list.initializer_list.call.array.end = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 1, !dbg !31
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// CHECK:STDOUT: store ptr %initializer_list.initializer_list.call.array.end, ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !31
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// CHECK:STDOUT: call void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr %.loc18_36.2.temp, ptr %_.var), !dbg !30
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// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !32
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// CHECK:STDOUT: call void @_ZN11vector_likeD2Ev(ptr %_.var), !dbg !30
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// CHECK:STDOUT: ret void, !dbg !33
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
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// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN11vector_likeD2Ev(ptr noundef nonnull align 1 dereferenceable(1) %this) unnamed_addr #2 comdat align 2 {
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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, !tbaa !15
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// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
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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 void @_CInitNontrivialDtor.Main() #3 !dbg !34 {
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// CHECK:STDOUT: entry:
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// CHECK:STDOUT: %_.var = alloca [16 x i8], align 1, !dbg !35
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// CHECK:STDOUT: %.loc23_69.17.temp = alloca [3 x {}], align 8, !dbg !36
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !35
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// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc23_69.17.temp), !dbg !36
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// CHECK:STDOUT: %.loc23_69.18.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 0, !dbg !36
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// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.18.array.index), !dbg !36
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// CHECK:STDOUT: %.loc23_69.16.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 1, !dbg !36
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// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.16.array.index), !dbg !36
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// CHECK:STDOUT: %.loc23_69.15.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 2, !dbg !36
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// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.15.array.index), !dbg !36
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !35
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// CHECK:STDOUT: store ptr %.loc23_69.17.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !35
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// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.end = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !35
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// CHECK:STDOUT: %initializer_list.initializer_list.call.array.end = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 1, !dbg !35
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// CHECK:STDOUT: store ptr %initializer_list.initializer_list.call.array.end, ptr %initializer_list.initializer_list.call.init_list.end, align 8, !dbg !35
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// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !37
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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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
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// CHECK:STDOUT: declare void @llvm.lifetime.start.p0(ptr captures(none)) #4
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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, { 6, 5, 4, 3, 2, 1, 0 }
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// CHECK:STDOUT:
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// CHECK:STDOUT: attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT: attributes #2 = { mustprogress nounwind 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 #3 = { nounwind }
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// CHECK:STDOUT: attributes #4 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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// CHECK:STDOUT:
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// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4, !5}
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// CHECK:STDOUT: !llvm.dbg.cu = !{!6}
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// CHECK:STDOUT: !llvm.errno.tbaa = !{!8}
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// CHECK:STDOUT:
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// CHECK:STDOUT: !0 = !{i32 7, !"Dwarf Version", i32 5}
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// CHECK:STDOUT: !1 = !{i32 2, !"Debug Info Version", i32 3}
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// CHECK:STDOUT: !2 = !{i32 1, !"wchar_size", i32 4}
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// CHECK:STDOUT: !3 = !{i32 8, !"PIC Level", i32 2}
|
||||
// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !5 = !{i32 7, !"uwtable", i32 2}
|
||||
// CHECK:STDOUT: !6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !7, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !7 = !DIFile(filename: "use_pointer_pointer.carbon", directory: "")
|
||||
// CHECK:STDOUT: !8 = !{!9, !9, i64 0}
|
||||
// CHECK:STDOUT: !9 = !{!"int", !10, i64 0}
|
||||
// CHECK:STDOUT: !10 = !{!"omnipotent char", !11, i64 0}
|
||||
// CHECK:STDOUT: !11 = !{!"Simple C++ TBAA"}
|
||||
// CHECK:STDOUT: !12 = !{!13, !13, i64 0}
|
||||
// CHECK:STDOUT: !13 = !{!"p1 _ZTSSt16initializer_listIiE", !14, i64 0}
|
||||
// CHECK:STDOUT: !14 = !{!"any pointer", !10, i64 0}
|
||||
// CHECK:STDOUT: !15 = !{!16, !16, i64 0}
|
||||
// CHECK:STDOUT: !16 = !{!"p1 _ZTS11vector_like", !14, i64 0}
|
||||
// CHECK:STDOUT: !17 = !{i64 0, i64 8, !18, i64 8, i64 8, !18}
|
||||
// CHECK:STDOUT: !18 = !{!19, !19, i64 0}
|
||||
// CHECK:STDOUT: !19 = !{!"p1 int", !14, i64 0}
|
||||
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
|
||||
// CHECK:STDOUT: !21 = !{!"p1 _ZTS15nontrivial_dtor", !14, i64 0}
|
||||
// CHECK:STDOUT: !22 = distinct !DISubprogram(name: "InitDirectly", linkageName: "_CInitDirectly.Main", scope: null, file: !7, line: 12, type: !23, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !23 = !DISubroutineType(types: !24)
|
||||
// CHECK:STDOUT: !24 = !{null}
|
||||
// CHECK:STDOUT: !25 = !DILocation(line: 13, column: 3, scope: !22)
|
||||
// CHECK:STDOUT: !26 = !DILocation(line: 13, column: 42, scope: !22)
|
||||
// CHECK:STDOUT: !27 = !DILocation(line: 14, column: 3, scope: !22)
|
||||
// CHECK:STDOUT: !28 = !DILocation(line: 12, column: 1, scope: !22)
|
||||
// CHECK:STDOUT: !29 = distinct !DISubprogram(name: "InitVectorLike", linkageName: "_CInitVectorLike.Main", scope: null, file: !7, line: 17, type: !23, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !30 = !DILocation(line: 18, column: 3, scope: !29)
|
||||
// CHECK:STDOUT: !31 = !DILocation(line: 18, column: 28, scope: !29)
|
||||
// CHECK:STDOUT: !32 = !DILocation(line: 19, column: 3, scope: !29)
|
||||
// CHECK:STDOUT: !33 = !DILocation(line: 17, column: 1, scope: !29)
|
||||
// CHECK:STDOUT: !34 = distinct !DISubprogram(name: "InitNontrivialDtor", linkageName: "_CInitNontrivialDtor.Main", scope: null, file: !7, line: 22, type: !23, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !35 = !DILocation(line: 23, column: 3, scope: !34)
|
||||
// CHECK:STDOUT: !36 = !DILocation(line: 23, column: 58, scope: !34)
|
||||
// CHECK:STDOUT: !37 = !DILocation(line: 24, column: 3, scope: !34)
|
||||
// CHECK:STDOUT: !38 = !DILocation(line: 22, column: 1, scope: !34)
|
||||
// CHECK:STDOUT: ; ModuleID = 'use_pointer_size.carbon'
|
||||
// CHECK:STDOUT: source_filename = "use_pointer_size.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.std::initializer_list" = type { ptr, i64 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: $_ZN11vector_likeC2ESt16initializer_listIiE = comdat any
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: $_ZN15nontrivial_dtorC2Ev = comdat any
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: $_ZN11vector_likeD2Ev = comdat any
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: @array.loc13_50.13 = internal constant [3 x i32] [i32 1, i32 2, i32 3]
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
|
||||
// CHECK:STDOUT: define dso_local void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr noundef %list, ptr noundef %return) #0 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %list.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %agg.tmp = alloca %"class.std::initializer_list", align 8
|
||||
// CHECK:STDOUT: store ptr %list, ptr %list.addr, align 8, !tbaa !12
|
||||
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !15
|
||||
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !15
|
||||
// CHECK:STDOUT: %1 = load ptr, ptr %list.addr, align 8, !tbaa !12
|
||||
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 %agg.tmp, ptr align 8 %1, i64 16, i1 false), !tbaa.struct !17
|
||||
// CHECK:STDOUT: %2 = getelementptr inbounds nuw { ptr, i64 }, ptr %agg.tmp, i32 0, i32 0
|
||||
// CHECK:STDOUT: %3 = load ptr, ptr %2, align 8
|
||||
// CHECK:STDOUT: %4 = getelementptr inbounds nuw { ptr, i64 }, ptr %agg.tmp, i32 0, i32 1
|
||||
// CHECK:STDOUT: %5 = load i64, ptr %4, align 8
|
||||
// CHECK:STDOUT: call void @_ZN11vector_likeC2ESt16initializer_listIiE(ptr noundef nonnull align 1 dereferenceable(1) %0, ptr %3, i64 %5)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
|
||||
// CHECK:STDOUT: declare void @llvm.memcpy.p0.p0.i64(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i64, i1 immarg) #1
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
|
||||
// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN11vector_likeC2ESt16initializer_listIiE(ptr noundef nonnull align 1 dereferenceable(1) %this, ptr %list.coerce0, i64 %list.coerce1) unnamed_addr #2 comdat align 2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %list = alloca %"class.std::initializer_list", align 8
|
||||
// CHECK:STDOUT: %this.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: %0 = getelementptr inbounds nuw { ptr, i64 }, ptr %list, i32 0, i32 0
|
||||
// CHECK:STDOUT: store ptr %list.coerce0, ptr %0, align 8
|
||||
// CHECK:STDOUT: %1 = getelementptr inbounds nuw { ptr, i64 }, ptr %list, i32 0, i32 1
|
||||
// CHECK:STDOUT: store i64 %list.coerce1, ptr %1, align 8
|
||||
// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8, !tbaa !15
|
||||
// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: alwaysinline mustprogress uwtable
|
||||
// CHECK:STDOUT: define dso_local void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr noundef %return) #0 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %return.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: store ptr %return, ptr %return.addr, align 8, !tbaa !22
|
||||
// CHECK:STDOUT: %0 = load ptr, ptr %return.addr, align 8, !tbaa !22
|
||||
// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %0)
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
|
||||
// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN15nontrivial_dtorC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %this) unnamed_addr #2 comdat align 2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %this.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8, !tbaa !22
|
||||
// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: declare void @_CWithinLifetime.Main()
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define void @_CInitDirectly.Main() #3 !dbg !24 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %_.var = alloca [16 x i8], align 1, !dbg !27
|
||||
// CHECK:STDOUT: %.loc13_50.3.temp = alloca [3 x i32], align 4, !dbg !28
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !27
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc13_50.3.temp), !dbg !28
|
||||
// CHECK:STDOUT: %.loc13_50.4.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 0, !dbg !28
|
||||
// CHECK:STDOUT: %.loc13_50.7.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 1, !dbg !28
|
||||
// CHECK:STDOUT: %.loc13_50.10.array.index = getelementptr inbounds [3 x i32], ptr %.loc13_50.3.temp, i32 0, i64 2, !dbg !28
|
||||
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc13_50.3.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !28
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !27
|
||||
// CHECK:STDOUT: store ptr %.loc13_50.3.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !27
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !27
|
||||
// CHECK:STDOUT: store i64 3, ptr %initializer_list.initializer_list.call.init_list.size, align 8, !dbg !27
|
||||
// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !29
|
||||
// CHECK:STDOUT: ret void, !dbg !30
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define void @_CInitVectorLike.Main() #3 !dbg !31 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %_.var = alloca {}, align 8, !dbg !32
|
||||
// CHECK:STDOUT: %.loc18_36.2.temp = alloca [16 x i8], align 1, !dbg !33
|
||||
// CHECK:STDOUT: %.loc18_36.4.temp = alloca [3 x i32], align 4, !dbg !33
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !32
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_36.2.temp), !dbg !33
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc18_36.4.temp), !dbg !33
|
||||
// CHECK:STDOUT: %.loc18_36.5.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 0, !dbg !33
|
||||
// CHECK:STDOUT: %.loc18_36.8.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 1, !dbg !33
|
||||
// CHECK:STDOUT: %.loc18_36.11.array.index = getelementptr inbounds [3 x i32], ptr %.loc18_36.4.temp, i32 0, i64 2, !dbg !33
|
||||
// CHECK:STDOUT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 %.loc18_36.4.temp, ptr align 4 @array.loc13_50.13, i64 12, i1 false), !dbg !33
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 0, !dbg !33
|
||||
// CHECK:STDOUT: store ptr %.loc18_36.4.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !33
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %.loc18_36.2.temp, i32 0, i32 8, !dbg !33
|
||||
// CHECK:STDOUT: store i64 3, ptr %initializer_list.initializer_list.call.init_list.size, align 8, !dbg !33
|
||||
// CHECK:STDOUT: call void @_ZN11vector_likeC1ESt16initializer_listIiE.carbon_thunk(ptr %.loc18_36.2.temp, ptr %_.var), !dbg !32
|
||||
// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !34
|
||||
// CHECK:STDOUT: call void @_ZN11vector_likeD2Ev(ptr %_.var), !dbg !32
|
||||
// CHECK:STDOUT: ret void, !dbg !35
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: mustprogress nounwind uwtable
|
||||
// CHECK:STDOUT: define linkonce_odr dso_local void @_ZN11vector_likeD2Ev(ptr noundef nonnull align 1 dereferenceable(1) %this) unnamed_addr #2 comdat align 2 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %this.addr = alloca ptr, align 8
|
||||
// CHECK:STDOUT: store ptr %this, ptr %this.addr, align 8, !tbaa !15
|
||||
// CHECK:STDOUT: %this1 = load ptr, ptr %this.addr, align 8
|
||||
// CHECK:STDOUT: ret void
|
||||
// CHECK:STDOUT: }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; Function Attrs: nounwind
|
||||
// CHECK:STDOUT: define void @_CInitNontrivialDtor.Main() #3 !dbg !36 {
|
||||
// CHECK:STDOUT: entry:
|
||||
// CHECK:STDOUT: %_.var = alloca [16 x i8], align 1, !dbg !37
|
||||
// CHECK:STDOUT: %.loc23_69.17.temp = alloca [3 x {}], align 8, !dbg !38
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %_.var), !dbg !37
|
||||
// CHECK:STDOUT: call void @llvm.lifetime.start.p0(ptr %.loc23_69.17.temp), !dbg !38
|
||||
// CHECK:STDOUT: %.loc23_69.18.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 0, !dbg !38
|
||||
// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.18.array.index), !dbg !38
|
||||
// CHECK:STDOUT: %.loc23_69.16.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 1, !dbg !38
|
||||
// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.16.array.index), !dbg !38
|
||||
// CHECK:STDOUT: %.loc23_69.15.array.index = getelementptr inbounds [3 x {}], ptr %.loc23_69.17.temp, i32 0, i64 2, !dbg !38
|
||||
// CHECK:STDOUT: call void @_ZN15nontrivial_dtorC1Ev.carbon_thunk_tuple(ptr %.loc23_69.15.array.index), !dbg !38
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.begin = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 0, !dbg !37
|
||||
// CHECK:STDOUT: store ptr %.loc23_69.17.temp, ptr %initializer_list.initializer_list.call.init_list.begin, align 8, !dbg !37
|
||||
// CHECK:STDOUT: %initializer_list.initializer_list.call.init_list.size = getelementptr inbounds nuw [16 x i8], ptr %_.var, i32 0, i32 8, !dbg !37
|
||||
// CHECK:STDOUT: store i64 3, ptr %initializer_list.initializer_list.call.init_list.size, align 8, !dbg !37
|
||||
// CHECK:STDOUT: call void @_CWithinLifetime.Main(), !dbg !39
|
||||
// CHECK:STDOUT: ret void, !dbg !40
|
||||
// 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)) #4
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: ; uselistorder directives
|
||||
// CHECK:STDOUT: uselistorder ptr @llvm.lifetime.start.p0, { 6, 5, 4, 3, 2, 1, 0 }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT: attributes #2 = { mustprogress nounwind 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 = { nounwind }
|
||||
// CHECK:STDOUT: attributes #4 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
|
||||
// CHECK:STDOUT:
|
||||
// CHECK:STDOUT: !llvm.module.flags = !{!0, !1, !2, !3, !4, !5}
|
||||
// CHECK:STDOUT: !llvm.dbg.cu = !{!6}
|
||||
// CHECK:STDOUT: !llvm.errno.tbaa = !{!8}
|
||||
// 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 2}
|
||||
// CHECK:STDOUT: !4 = !{i32 7, !"PIE Level", i32 2}
|
||||
// CHECK:STDOUT: !5 = !{i32 7, !"uwtable", i32 2}
|
||||
// CHECK:STDOUT: !6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !7, producer: "carbon", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
|
||||
// CHECK:STDOUT: !7 = !DIFile(filename: "use_pointer_size.carbon", directory: "")
|
||||
// CHECK:STDOUT: !8 = !{!9, !9, i64 0}
|
||||
// CHECK:STDOUT: !9 = !{!"int", !10, i64 0}
|
||||
// CHECK:STDOUT: !10 = !{!"omnipotent char", !11, i64 0}
|
||||
// CHECK:STDOUT: !11 = !{!"Simple C++ TBAA"}
|
||||
// CHECK:STDOUT: !12 = !{!13, !13, i64 0}
|
||||
// CHECK:STDOUT: !13 = !{!"p1 _ZTSSt16initializer_listIiE", !14, i64 0}
|
||||
// CHECK:STDOUT: !14 = !{!"any pointer", !10, i64 0}
|
||||
// CHECK:STDOUT: !15 = !{!16, !16, i64 0}
|
||||
// CHECK:STDOUT: !16 = !{!"p1 _ZTS11vector_like", !14, i64 0}
|
||||
// CHECK:STDOUT: !17 = !{i64 0, i64 8, !18, i64 8, i64 8, !20}
|
||||
// CHECK:STDOUT: !18 = !{!19, !19, i64 0}
|
||||
// CHECK:STDOUT: !19 = !{!"p1 int", !14, i64 0}
|
||||
// CHECK:STDOUT: !20 = !{!21, !21, i64 0}
|
||||
// CHECK:STDOUT: !21 = !{!"long", !10, i64 0}
|
||||
// CHECK:STDOUT: !22 = !{!23, !23, i64 0}
|
||||
// CHECK:STDOUT: !23 = !{!"p1 _ZTS15nontrivial_dtor", !14, i64 0}
|
||||
// CHECK:STDOUT: !24 = distinct !DISubprogram(name: "InitDirectly", linkageName: "_CInitDirectly.Main", scope: null, file: !7, line: 12, type: !25, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !25 = !DISubroutineType(types: !26)
|
||||
// CHECK:STDOUT: !26 = !{null}
|
||||
// CHECK:STDOUT: !27 = !DILocation(line: 13, column: 3, scope: !24)
|
||||
// CHECK:STDOUT: !28 = !DILocation(line: 13, column: 42, scope: !24)
|
||||
// CHECK:STDOUT: !29 = !DILocation(line: 14, column: 3, scope: !24)
|
||||
// CHECK:STDOUT: !30 = !DILocation(line: 12, column: 1, scope: !24)
|
||||
// CHECK:STDOUT: !31 = distinct !DISubprogram(name: "InitVectorLike", linkageName: "_CInitVectorLike.Main", scope: null, file: !7, line: 17, type: !25, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !32 = !DILocation(line: 18, column: 3, scope: !31)
|
||||
// CHECK:STDOUT: !33 = !DILocation(line: 18, column: 28, scope: !31)
|
||||
// CHECK:STDOUT: !34 = !DILocation(line: 19, column: 3, scope: !31)
|
||||
// CHECK:STDOUT: !35 = !DILocation(line: 17, column: 1, scope: !31)
|
||||
// CHECK:STDOUT: !36 = distinct !DISubprogram(name: "InitNontrivialDtor", linkageName: "_CInitNontrivialDtor.Main", scope: null, file: !7, line: 22, type: !25, spFlags: DISPFlagDefinition, unit: !6)
|
||||
// CHECK:STDOUT: !37 = !DILocation(line: 23, column: 3, scope: !36)
|
||||
// CHECK:STDOUT: !38 = !DILocation(line: 23, column: 58, scope: !36)
|
||||
// CHECK:STDOUT: !39 = !DILocation(line: 24, column: 3, scope: !36)
|
||||
// CHECK:STDOUT: !40 = !DILocation(line: 22, column: 1, scope: !36)
|
||||
Reference in New Issue
Block a user