Vector extract element test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27892 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vec_extract.ll b/test/CodeGen/X86/vec_extract.ll
new file mode 100644 (file)
index 0000000..03d71b9
--- /dev/null
+++ b/test/CodeGen/X86/vec_extract.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movss    | wc -l | grep 3
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep unpckhps | wc -l | grep 1
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufd   | wc -l | grep 1
+
+void %test1(<4 x float>* %F, float* %f) {
+       %tmp = load <4 x float>* %F
+       %tmp7 = add <4 x float> %tmp, %tmp
+       %tmp2 = extractelement <4 x float> %tmp7, uint 0
+       store float %tmp2, float* %f
+       ret void
+}
+
+float %test2(<4 x float>* %F, float* %f) {
+       %tmp = load <4 x float>* %F
+       %tmp7 = add <4 x float> %tmp, %tmp
+       %tmp2 = extractelement <4 x float> %tmp7, uint 2
+        ret float %tmp2
+}
+
+void %test2(float* %R, <4 x float>* %P1) {
+       %X = load <4 x float>* %P1
+       %tmp = extractelement <4 x float> %X, uint 2
+       store float %tmp, float* %R
+       ret void
+}