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-rw-r--r--test/CodeGen/function-attributes.c51
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 }
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