llvm-project/clang/test/CodeGen/attr-disable-tail-calls.c
Dávid Bolvanský ee51c42e00 Reduce the number of attributes attached to each function
This takes advantage of the implicit default behavior to reduce the number of
attributes.
2021-02-20 06:57:47 +01:00

20 lines
801 B
C

// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -mdisable-tail-calls -o - | FileCheck %s -check-prefix=DISABLE
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=ENABLE
// DISABLE: define{{.*}} i32 @f1() [[ATTRTRUE:#[0-9]+]] {
// DISABLE: define{{.*}} i32 @f2() [[ATTRTRUE]] {
// ENABLE: define{{.*}} i32 @f1() [[ATTRFALSE:#[0-9]+]] {
// ENABLE: define{{.*}} i32 @f2() [[ATTRTRUE:#[0-9]+]] {
int f1() {
return 0;
}
int f2() __attribute__((disable_tail_calls)) {
return 0;
}
// DISABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
// ENABLE-NOT: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} }
// ENABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }