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Diffstat (limited to 'test/CodeGen/function-attributes.c')
-rw-r--r--test/CodeGen/function-attributes.c56
1 files changed, 35 insertions, 21 deletions
diff --git a/test/CodeGen/function-attributes.c b/test/CodeGen/function-attributes.c
index d2d3b031a83b..b09b28b8d93d 100644
--- a/test/CodeGen/function-attributes.c
+++ b/test/CodeGen/function-attributes.c
@@ -1,12 +1,12 @@
-// RUN: clang-cc -triple i386-unknown-unknown -emit-llvm -o %t %s &&
-// RUN: grep 'define signext i8 @f0(i32 %x) nounwind' %t &&
-// RUN: grep 'define zeroext i8 @f1(i32 %x) nounwind' %t &&
-// RUN: grep 'define void @f2(i8 signext %x) nounwind' %t &&
-// RUN: grep 'define void @f3(i8 zeroext %x) nounwind' %t &&
-// RUN: grep 'define signext i16 @f4(i32 %x) nounwind' %t &&
-// RUN: grep 'define zeroext i16 @f5(i32 %x) nounwind' %t &&
-// RUN: grep 'define void @f6(i16 signext %x) nounwind' %t &&
-// RUN: grep 'define void @f7(i16 zeroext %x) nounwind' %t &&
+// RUN: clang-cc -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
signed char f0(int x) { return x; }
@@ -24,15 +24,22 @@ void f6(signed short x) { }
void f7(unsigned short x) { }
-// RUN: grep 'define void @f8() nounwind alwaysinline' %t &&
+// CHECK: define void @f8()
+// CHECK: nounwind
+// CHECK: alwaysinline
+// CHECK: {
void __attribute__((always_inline)) f8(void) { }
-// RUN: grep 'call void @f9_t() noreturn' %t &&
+// CHECK: call void @f9_t()
+// CHECK: noreturn
+// CHECK: {
void __attribute__((noreturn)) f9_t(void);
void f9(void) { f9_t(); }
// FIXME: We should be setting nounwind on calls.
-// RUN: grep 'call i32 @f10_t() readnone' %t &&
+// CHECK: call i32 @f10_t()
+// CHECK: readnone
+// CHECK: {
int __attribute__((const)) f10_t(void);
int f10(void) { return f10_t(); }
int f11(void) {
@@ -43,13 +50,15 @@ int f12(int arg) {
return arg ? 0 : f10_t();
}
-// RUN: grep 'define void @f13() nounwind readnone' %t &&
+// CHECK: define void @f13() nounwind readnone
void f13(void) __attribute__((pure)) __attribute__((const));
void f13(void){}
// Ensure that these get inlined: rdar://6853279
-// RUN: not grep '@ai_' %t &&
+// CHECK: define void @f14
+// CHECK-NOT: @ai_
+// CHECK: call void @f14_end
static __inline__ __attribute__((always_inline))
int ai_1() { return 4; }
@@ -58,12 +67,17 @@ struct {
int a, b, c, d, e;
} ai_2() { while (1) {} }
-
-int foo() {
- ai_2();
- return ai_1();
+void f14(int a) {
+ extern void f14_end(void);
+ if (a)
+ ai_2();
+ ai_1();
+ f14_end();
}
-
-
-// RUN: true
+// <rdar://problem/7102668> [irgen] clang isn't setting the optsize bit on functions
+// CHECK: define void @f15
+// CHECK: optsize
+// CHECK: {
+void f15(void) {
+}