summaryrefslogtreecommitdiff
path: root/clang/test/CodeGen/lzcnt-builtins.c
diff options
context:
space:
mode:
authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/lzcnt-builtins.c
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/lzcnt-builtins.c')
-rw-r--r--clang/test/CodeGen/lzcnt-builtins.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/clang/test/CodeGen/lzcnt-builtins.c b/clang/test/CodeGen/lzcnt-builtins.c
new file mode 100644
index 0000000..a43c4ee
--- /dev/null
+++ b/clang/test/CodeGen/lzcnt-builtins.c
@@ -0,0 +1,24 @@
+// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +lzcnt -emit-llvm -o - | FileCheck %s
+
+// Don't include mm_malloc.h, it's system specific.
+#define __MM_MALLOC_H
+
+#include <x86intrin.h>
+
+unsigned short test__lzcnt16(unsigned short __X)
+{
+ // CHECK: @llvm.ctlz.i16
+ return __lzcnt16(__X);
+}
+
+unsigned int test_lzcnt32(unsigned int __X)
+{
+ // CHECK: @llvm.ctlz.i32
+ return __lzcnt32(__X);
+}
+
+unsigned long long test__lzcnt64(unsigned long long __X)
+{
+ // CHECK: @llvm.ctlz.i64
+ return __lzcnt64(__X);
+}