| 1 | // RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=LIFETIME |
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| 2 | |
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| 3 | // We shouldn't have markers at -O0 or with msan. |
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| 4 | // RUN: %clang_cc1 -O0 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - | FileCheck %s |
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| 5 | // RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - -fsanitize=memory | FileCheck %s |
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| 6 | // RUN: %clang_cc1 -O1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=line-tables-only %s -o - -fsanitize=kernel-memory | FileCheck %s |
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| 7 | |
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| 8 | // There is no exception to handle here, lifetime.end is not a destructor, |
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| 9 | // so there is no need have cleanup dest slot related code |
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| 10 | // CHECK-LABEL: define i32 @test |
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| 11 | int test() { |
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| 12 | int x = 3; |
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| 13 | int *volatile p = &x; |
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| 14 | return *p; |
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| 15 | // CHECK: [[X:%.*]] = alloca i32 |
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| 16 | // CHECK: [[P:%.*]] = alloca i32* |
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| 17 | // LIFETIME: call void @llvm.lifetime.start.p0i8(i64 4, i8* nonnull %{{.*}}){{( #[0-9]+)?}}, !dbg |
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| 18 | // LIFETIME: call void @llvm.lifetime.start.p0i8(i64 8, i8* nonnull %{{.*}}){{( #[0-9]+)?}}, !dbg |
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| 19 | // CHECK-NOT: store i32 %{{.*}}, i32* %cleanup.dest.slot |
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| 20 | // LIFETIME: call void @llvm.lifetime.end.p0i8(i64 8, {{.*}}){{( #[0-9]+)?}}, !dbg |
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| 21 | // LIFETIME: call void @llvm.lifetime.end.p0i8(i64 4, {{.*}}){{( #[0-9]+)?}}, !dbg |
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| 22 | } |
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| 23 | |
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