diff options
Diffstat (limited to 'test/CodeGen/builtin-expect.c')
| -rw-r--r-- | test/CodeGen/builtin-expect.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/test/CodeGen/builtin-expect.c b/test/CodeGen/builtin-expect.c index 664c6b6..884110c 100644 --- a/test/CodeGen/builtin-expect.c +++ b/test/CodeGen/builtin-expect.c @@ -1,10 +1,14 @@ // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -O0 | FileCheck %s --check-prefix=CHECK_O0 int x; int y(void); void foo(); void FUNC() { +// CHECK-LABEL: define void @FUNC() // CHECK: [[call:%.*]] = call i32 @y +// CHECK_O0: [[call:%.*]] = call i32 @y +// CHECK_O0-NOT: call i64 @llvm.expect if (__builtin_expect (x, y())) foo (); } @@ -17,21 +21,25 @@ int main() { (void) __builtin_expect((isigprocmask(), 0), bar()); } +// CHECK-LABEL: define i32 @main() // CHECK: call void @isigprocmask() -// CHECK: [[C:%.*]] = call i64 (...)* @bar() +// CHECK: [[C:%.*]] = call i64 (...) @bar() +// CHECK_O0: call void @isigprocmask() +// CHECK_O0: [[C:%.*]] = call i64 (...) @bar() +// CHECK_O0-NOT: call i64 @llvm.expect -// CHECK: @test1 +// CHECK-LABEL: define i32 @test1 int test1(int x) { -// CHECK: @llvm.expect +// CHECK_O0-NOT: call i64 @llvm.expect if (__builtin_expect (x, 1)) return 0; return x; } -// CHECK: @test2 +// CHECK: define i32 @test2 int test2(int x) { -// CHECK: @llvm.expect +// CHECK_O0-NOT: call i64 @llvm.expect switch(__builtin_expect(x, 5)) { default: return 0; |
