forked from OSchip/llvm-project
22 lines
731 B
C
22 lines
731 B
C
|
// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=CHECK-O0
|
||
|
|
// RUN: %clang -target x86_64-linux-gnu -S -emit-llvm -o - -O0 \
|
||
|
|
// RUN: -fsanitize=address -fsanitize-address-use-after-scope %s | \
|
||
|
|
// RUN: FileCheck %s -check-prefix=LIFETIME
|
||
|
|
|
||
|
|
extern int bar(char *A, int n);
|
||
|
|
|
||
|
|
// CHECK-O0-NOT: @llvm.lifetime.start
|
||
|
|
int foo(int n) {
|
||
|
|
if (n) {
|
||
|
|
// LIFETIME: @llvm.lifetime.start.p0i8(i64 10, i8* {{.*}})
|
||
|
|
char A[10];
|
||
|
|
return bar(A, 1);
|
||
|
|
// LIFETIME: @llvm.lifetime.end.p0i8(i64 10, i8* {{.*}})
|
||
|
|
} else {
|
||
|
|
// LIFETIME: @llvm.lifetime.start.p0i8(i64 20, i8* {{.*}})
|
||
|
|
char A[20];
|
||
|
|
return bar(A, 2);
|
||
|
|
// LIFETIME: @llvm.lifetime.end.p0i8(i64 20, i8* {{.*}})
|
||
|
|
}
|
||
|
|
}
|