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authordim <dim@FreeBSD.org>2015-05-27 18:47:56 +0000
committerdim <dim@FreeBSD.org>2015-05-27 18:47:56 +0000
commit3191b2b32a96e1a6ee833fcca73e5c8e0c67ba65 (patch)
treedbbd4047878da71c1a706e26ce05b4e7791b14cc /test/CodeGen/builtin-expect.c
parent38d6f2e7f2ce51a5b3836d26596c6c34a3288752 (diff)
downloadFreeBSD-src-3191b2b32a96e1a6ee833fcca73e5c8e0c67ba65.zip
FreeBSD-src-3191b2b32a96e1a6ee833fcca73e5c8e0c67ba65.tar.gz
Vendor import of clang trunk r238337:
https://llvm.org/svn/llvm-project/cfe/trunk@238337
Diffstat (limited to 'test/CodeGen/builtin-expect.c')
-rw-r--r--test/CodeGen/builtin-expect.c18
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;
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