diff options
Diffstat (limited to 'test/CodeGen/function-attributes.c')
-rw-r--r-- | test/CodeGen/function-attributes.c | 51 |
1 files changed, 32 insertions, 19 deletions
diff --git a/test/CodeGen/function-attributes.c b/test/CodeGen/function-attributes.c index 6cbf40b..25ca916 100644 --- a/test/CodeGen/function-attributes.c +++ b/test/CodeGen/function-attributes.c @@ -1,12 +1,12 @@ // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -Os -o - %s | FileCheck %s -// CHECK: define signext i8 @f0(i32 %x) nounwind -// CHECK: define zeroext i8 @f1(i32 %x) nounwind -// CHECK: define void @f2(i8 signext %x) nounwind -// CHECK: define void @f3(i8 zeroext %x) nounwind -// CHECK: define signext i16 @f4(i32 %x) nounwind -// CHECK: define zeroext i16 @f5(i32 %x) nounwind -// CHECK: define void @f6(i16 signext %x) nounwind -// CHECK: define void @f7(i16 zeroext %x) nounwind +// CHECK: define signext i8 @f0(i32 %x) [[NUW:#[0-9]+]] +// CHECK: define zeroext i8 @f1(i32 %x) [[NUW]] +// CHECK: define void @f2(i8 signext %x) [[NUW]] +// CHECK: define void @f3(i8 zeroext %x) [[NUW]] +// CHECK: define signext i16 @f4(i32 %x) [[NUW]] +// CHECK: define zeroext i16 @f5(i32 %x) [[NUW]] +// CHECK: define void @f6(i16 signext %x) [[NUW]] +// CHECK: define void @f7(i16 zeroext %x) [[NUW]] signed char f0(int x) { return x; } @@ -25,20 +25,25 @@ void f6(signed short x) { } void f7(unsigned short x) { } // CHECK: define void @f8() -// CHECK: nounwind -// CHECK: alwaysinline +// CHECK: [[AI:#[0-9]+]] // CHECK: { void __attribute__((always_inline)) f8(void) { } // CHECK: call void @f9_t() -// CHECK: noreturn -// CHECK: { +// CHECK: [[NR:#[0-9]+]] +// CHECK: } void __attribute__((noreturn)) f9_t(void); void f9(void) { f9_t(); } +// CHECK: call void @f9a() +// CHECK: [[NR]] +// CHECK: } +_Noreturn void f9a(void); +void f9b(void) { f9a(); } + // FIXME: We should be setting nounwind on calls. // CHECK: call i32 @f10_t() -// CHECK: readnone +// CHECK: [[NUW_RN:#[0-9]+]] // CHECK: { int __attribute__((const)) f10_t(void); int f10(void) { return f10_t(); } @@ -50,7 +55,7 @@ int f12(int arg) { return arg ? 0 : f10_t(); } -// CHECK: define void @f13() nounwind readnone +// CHECK: define void @f13() [[NUW]] void f13(void) __attribute__((pure)) __attribute__((const)); void f13(void){} @@ -77,24 +82,24 @@ void f14(int a) { // <rdar://problem/7102668> [irgen] clang isn't setting the optsize bit on functions // CHECK: define void @f15 -// CHECK: optsize +// CHECK: [[NUW]] // CHECK: { void f15(void) { } // PR5254 // CHECK: define void @f16 -// CHECK: alignstack(16) +// CHECK: [[ALIGN:#[0-9]+]] // CHECK: { void __attribute__((force_align_arg_pointer)) f16(void) { } // PR11038 // CHECK: define void @f18() -// CHECK: returns_twice +// CHECK: [[RT:#[0-9]+]] // CHECK: { // CHECK: call void @f17() -// CHECK: returns_twice +// CHECK: [[RT_CALL:#[0-9]+]] // CHECK: ret void __attribute__ ((returns_twice)) void f17(void); __attribute__ ((returns_twice)) void f18(void) { @@ -104,10 +109,18 @@ __attribute__ ((returns_twice)) void f18(void) { // CHECK: define void @f19() // CHECK: { // CHECK: call i32 @setjmp(i32* null) -// CHECK: returns_twice +// CHECK: [[RT_CALL]] // CHECK: ret void typedef int jmp_buf[((9 * 2) + 3 + 16)]; int setjmp(jmp_buf); void f19(void) { setjmp(0); } + +// CHECK: attributes [[NUW]] = { nounwind optsize readnone{{.*}} } +// CHECK: attributes [[AI]] = { alwaysinline nounwind optsize readnone{{.*}} } +// CHECK: attributes [[ALIGN]] = { nounwind optsize readnone alignstack=16{{.*}} } +// CHECK: attributes [[RT]] = { nounwind optsize returns_twice{{.*}} } +// CHECK: attributes [[NR]] = { noreturn nounwind optsize } +// CHECK: attributes [[NUW_RN]] = { nounwind optsize readnone } +// CHECK: attributes [[RT_CALL]] = { nounwind optsize returns_twice } |