[x86] Add some test cases where we should emit blendpd in SSE4.1. No

actual change yet though.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217739 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vector-shuffle-128-v2.ll b/test/CodeGen/X86/vector-shuffle-128-v2.ll
index 49d2eeb482f501e0a5c22b1fdef7faca2e31391c..a3e78e3ab97c2c329cc77b683f4ef33452100238 100644 (file)
--- a/test/CodeGen/X86/vector-shuffle-128-v2.ll
+++ b/test/CodeGen/X86/vector-shuffle-128-v2.ll
@@ -91,6 +91,21 @@ define <2 x double> @shuffle_v2f64_33(<2 x double> %a, <2 x double> %b) {
   %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 3, i32 3>
   ret <2 x double> %shuffle
 }
+define <2 x double> @shuffle_v2f64_03(<2 x double> %a, <2 x double> %b) {
+; CHECK-SSE2-LABEL: @shuffle_v2f64_03
+; CHECK-SSE2:         shufpd {{.*}} # xmm0 = xmm0[0],xmm1[1]
+; CHECK-SSE2-NEXT:    retq
+  %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 0, i32 3>
+  ret <2 x double> %shuffle
+}
+define <2 x double> @shuffle_v2f64_21(<2 x double> %a, <2 x double> %b) {
+; CHECK-SSE2-LABEL: @shuffle_v2f64_21
+; CHECK-SSE2:         shufpd {{.*}} # xmm1 = xmm1[0],xmm0[1]
+; CHECK-SSE2-NEXT:    movapd %xmm1, %xmm0
+; CHECK-SSE2-NEXT:    retq
+  %shuffle = shufflevector <2 x double> %a, <2 x double> %b, <2 x i32> <i32 2, i32 1>
+  ret <2 x double> %shuffle
+}
 
 
 define <2 x i64> @shuffle_v2i64_02(<2 x i64> %a, <2 x i64> %b) {