20 lines · c
1// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -fno-optimize-sibling-calls -o - | FileCheck %s -check-prefix=DISABLE2// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=ENABLE3 4// DISABLE: define{{.*}} i32 @f1() [[ATTRTRUE:#[0-9]+]] {5// DISABLE: define{{.*}} i32 @f2() [[ATTRTRUE]] {6// ENABLE: define{{.*}} i32 @f1() [[ATTRFALSE:#[0-9]+]] {7// ENABLE: define{{.*}} i32 @f2() [[ATTRTRUE:#[0-9]+]] {8 9int f1(void) {10 return 0;11}12 13int f2(void) __attribute__((disable_tail_calls)) {14 return 0;15}16 17// DISABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }18// ENABLE-NOT: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} }19// ENABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }20