34 lines
1.8 KiB
C++
34 lines
1.8 KiB
C++
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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --functions "makeTrivial" --version 2
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// RUN: %clang_cc1 -debug-info-kind=limited -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
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struct __attribute__((trivial_abi)) Trivial {
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~Trivial() {}
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int ivar = 10;
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};
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// The dbg.declare should be on %retval, not on %nrvo.
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// CHECK-LABEL: define dso_local i32 @_Z11makeTrivialv
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// CHECK-SAME: () #[[ATTR0:[0-9]+]] !dbg [[DBG5:![0-9]+]] {
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[RETVAL:%.*]] = alloca [[STRUCT_TRIVIAL:%.*]], align 4
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// CHECK-NEXT: [[NRVO:%.*]] = alloca i1, align 1
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// CHECK-NEXT: store i1 false, ptr [[NRVO]], align 1, !dbg [[DBG18:![0-9]+]]
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// CHECK-NEXT: call void @llvm.dbg.declare(metadata ptr [[RETVAL]], metadata [[META19:![0-9]+]], metadata !DIExpression()), !dbg [[DBG20:![0-9]+]]
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// CHECK-NEXT: call void @_ZN7TrivialC1Ev(ptr noundef nonnull align 4 dereferenceable(4) [[RETVAL]]) #[[ATTR3:[0-9]+]], !dbg [[DBG20]]
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// CHECK-NEXT: store i1 true, ptr [[NRVO]], align 1, !dbg [[DBG21:![0-9]+]]
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// CHECK-NEXT: [[NRVO_VAL:%.*]] = load i1, ptr [[NRVO]], align 1, !dbg [[DBG22:![0-9]+]]
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// CHECK-NEXT: br i1 [[NRVO_VAL]], label [[NRVO_SKIPDTOR:%.*]], label [[NRVO_UNUSED:%.*]], !dbg [[DBG22]]
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// CHECK: nrvo.unused:
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// CHECK-NEXT: call void @_ZN7TrivialD1Ev(ptr noundef nonnull align 4 dereferenceable(4) [[RETVAL]]) #[[ATTR3]], !dbg [[DBG22]]
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// CHECK-NEXT: br label [[NRVO_SKIPDTOR]], !dbg [[DBG22]]
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// CHECK: nrvo.skipdtor:
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// CHECK-NEXT: [[COERCE_DIVE:%.*]] = getelementptr inbounds [[STRUCT_TRIVIAL]], ptr [[RETVAL]], i32 0, i32 0, !dbg [[DBG22]]
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// CHECK-NEXT: [[TMP0:%.*]] = load i32, ptr [[COERCE_DIVE]], align 4, !dbg [[DBG22]]
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// CHECK-NEXT: ret i32 [[TMP0]], !dbg [[DBG22]]
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//
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Trivial makeTrivial() {
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Trivial ret_val;
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return ret_val;
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}
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