Zero vector testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27061 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vec_zero.ll b/test/CodeGen/X86/vec_zero.ll
new file mode 100644 (file)
index 0000000..af38e8d
--- /dev/null
+++ b/test/CodeGen/X86/vec_zero.ll
@@ -0,0 +1,16 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep xorps
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pxor
+
+void %foo(<4 x float> *%P) {
+       %T = load <4 x float> * %P
+       %S = add <4 x float> zeroinitializer, %T
+       store <4 x float> %S, <4 x float>* %P
+       ret void
+}
+
+void %bar(<4 x int> *%P) {
+       %T = load <4 x int> * %P
+       %S = add <4 x int> zeroinitializer, %T
+       store <4 x int> %S, <4 x int>* %P
+       ret void
+}