Although we already support this, add testcases for consistency

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135728 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/avx-cast.ll b/test/CodeGen/X86/avx-cast.ll
index bb742f8d97f529d7060bc4b068d0229a2a585873..e24cfeb50852dbdf0b2d6ebeb192fcbaa1310c5c 100644 (file)
--- a/test/CodeGen/X86/avx-cast.ll
+++ b/test/CodeGen/X86/avx-cast.ll
@@ -24,3 +24,24 @@ entry:
   ret <4 x i64> %shuffle.i
 }
 
+; CHECK: vextractf128 $0
+define <4 x float> @castD(<8 x float> %m) nounwind uwtable readnone ssp {
+entry:
+  %shuffle.i = shufflevector <8 x float> %m, <8 x float> %m, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  ret <4 x float> %shuffle.i
+}
+
+; CHECK: vextractf128 $0
+define <2 x i64> @castE(<4 x i64> %m) nounwind uwtable readnone ssp {
+entry:
+  %shuffle.i = shufflevector <4 x i64> %m, <4 x i64> %m, <2 x i32> <i32 0, i32 1>
+  ret <2 x i64> %shuffle.i
+}
+
+; CHECK: vextractf128 $0
+define <2 x double> @castF(<4 x double> %m) nounwind uwtable readnone ssp {
+entry:
+  %shuffle.i = shufflevector <4 x double> %m, <4 x double> %m, <2 x i32> <i32 0, i32 1>
+  ret <2 x double> %shuffle.i
+}
+