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// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 %s | FileCheck %s -check-prefixes=CHECK,CHECK-O0 --implicit-check-not=llvm.lifetime
// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -fno-exceptions -O0 \
// RUN: -fsanitize=address -fsanitize-address-use-after-scope %s | \
// RUN: FileCheck %s -check-prefixes=CHECK,CHECK-ASAN-USE-AFTER-SCOPE
extern int bar(char *A, int n);
struct X { X(); ~X(); int *p; };
struct Y { Y(); int *p; };
extern "C" void a(), b(), c(), d();
// CHECK-LABEL: @_Z3foo
void foo(int n) {
// CHECK: call void @a()
a();
// CHECK: call void @b()
// CHECK-ASAN-USE-AFTER-SCOPE: store i1 false
// CHECK-ASAN-USE-AFTER-SCOPE: store i1 false
// CHECK: br i1
//
// CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start
// CHECK-ASAN-USE-AFTER-SCOPE: store i1 true
// CHECK: call void @_ZN1XC
// CHECK: br label
//
// CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.start
// CHECK-ASAN-USE-AFTER-SCOPE: store i1 true
// CHECK: call void @_ZN1YC
// CHECK: br label
//
// CHECK: call void @c()
// CHECK-ASAN-USE-AFTER-SCOPE: br i1
// CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end
// CHECK-ASAN-USE-AFTER-SCOPE: br i1
// CHECK-ASAN-USE-AFTER-SCOPE: @llvm.lifetime.end
b(), (n ? X().p : Y().p), c();
// CHECK: call void @d()
d();
}
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