derek.holloway
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67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -Xclang -disable-llvm-passes %s | FileCheck %s -check-prefixes=CHECK \
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// RUN: --implicit-check-not=llvm.lifetime
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// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -fsanitize=address -fsanitize-address-use-after-scope \
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// RUN: -Xclang -disable-llvm-passes %s | FileCheck %s -check-prefixes=CHECK,LIFETIME
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// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -fsanitize=kernel-address -fsanitize-address-use-after-scope \
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// RUN: -Xclang -disable-llvm-passes %s | FileCheck %s -check-prefixes=CHECK,LIFETIME
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// RUN: %clang -w -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -fsanitize=memory -Xclang -disable-llvm-passes %s | \
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// RUN: FileCheck %s -check-prefixes=CHECK,LIFETIME
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// RUN: %clang -w -target aarch64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -fsanitize=hwaddress -Xclang -disable-llvm-passes %s | \
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// RUN: FileCheck %s -check-prefixes=CHECK,LIFETIME
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// RUN: %clang -w -target aarch64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
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// RUN: -fsanitize=memtag-stack -march=armv8a+memtag -Xclang -disable-llvm-passes %s | \
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// RUN: FileCheck %s -check-prefixes=CHECK,LIFETIME
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extern int bar(char *A, int n);
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struct X {
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X();
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~X();
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int *p;
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};
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struct Y {
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Y();
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int *p;
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};
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extern "C" void a(), b(), c(), d();
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// CHECK: define dso_local void @_Z3fooi(i32 noundef %[[N:[^)]+]])
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void foo(int n) {
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// CHECK: store i32 %[[N]], ptr %[[NADDR:[^,]+]]
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// CHECK-LABEL: call void @a()
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a();
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// CHECK-LABEL: call void @b()
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// CHECK: [[NARG:%[^ ]+]] = load i32, ptr %[[NADDR]]
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// CHECK: [[BOOL:%[^ ]+]] = icmp ne i32 [[NARG]], 0
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// CHECK: store i1 false
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// CHECK: br i1 [[BOOL]], label %[[ONTRUE:[^,]+]], label %[[ONFALSE:[^,]+]]
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//
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// CHECK: [[ONTRUE]]:
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// LIFETIME: @llvm.lifetime.start
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// LIFETIME: store i1 true
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// LIFETIME: call void @_ZN1XC
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// CHECK: br label %[[END:[^,]+]]
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//
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// CHECK: [[ONFALSE]]:
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// LIFETIME: @llvm.lifetime.start
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// LIFETIME: store i1 true
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// LIFETIME: call void @_ZN1YC
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// CHECK: br label %[[END]]
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//
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// CHECK: [[END]]:
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// CHECK: call void @c()
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// LIFETIME: @llvm.lifetime.end
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// LIFETIME: @llvm.lifetime.end
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b(), (n ? X().p : Y().p), c();
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// CHECK: call void @d()
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d();
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}
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