Add a new shuffle test case that requires pshuflw / pshufhw pair.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27426 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vec_shuffle.ll b/test/CodeGen/X86/vec_shuffle.ll
index 0ca1615f5b254e87fc7c64747e6389d91d7e39c8..f27a6e870070995c47b6dd72ba7b98e6c3a6bedb 100644 (file)
--- a/test/CodeGen/X86/vec_shuffle.ll
+++ b/test/CodeGen/X86/vec_shuffle.ll
@@ -1,6 +1,7 @@
 ; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep shufp | wc -l | grep 1
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movhpd
-; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufhw
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movhpd | wc -l | grep 1
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshufhw | wc -l | grep 2
+; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep pshuflw | wc -l | grep 1
 
 void %test_v4sf(<4 x float>* %P, float %X, float %Y) {
        %tmp = insertelement <4 x float> zeroinitializer, float %X, uint 0
@@ -41,3 +42,27 @@ void %test_v8i16(<2 x long>* %res, <2 x long>* %A) {
        store <2 x long> %tmp15, <2 x long>* %res
        ret void
 }
+
+void %test_v8i16_2(<2 x long>* %res, <2 x long>* %A) {
+       %tmp = load <2 x long>* %A
+       %tmp = cast <2 x long> %tmp to <8 x short>
+       %tmp0 = extractelement <8 x short> %tmp, uint 0
+       %tmp1 = extractelement <8 x short> %tmp, uint 1
+       %tmp2 = extractelement <8 x short> %tmp, uint 2
+       %tmp3 = extractelement <8 x short> %tmp, uint 3
+       %tmp4 = extractelement <8 x short> %tmp, uint 4
+       %tmp5 = extractelement <8 x short> %tmp, uint 5
+       %tmp6 = extractelement <8 x short> %tmp, uint 6
+       %tmp7 = extractelement <8 x short> %tmp, uint 7
+       %tmp8 = insertelement <8 x short> undef, short %tmp2, uint 0
+       %tmp9 = insertelement <8 x short> %tmp8, short %tmp1, uint 1
+       %tmp10 = insertelement <8 x short> %tmp9, short %tmp0, uint 2
+       %tmp11 = insertelement <8 x short> %tmp10, short %tmp3, uint 3
+       %tmp12 = insertelement <8 x short> %tmp11, short %tmp6, uint 4
+       %tmp13 = insertelement <8 x short> %tmp12, short %tmp5, uint 5
+       %tmp14 = insertelement <8 x short> %tmp13, short %tmp4, uint 6
+       %tmp15 = insertelement <8 x short> %tmp14, short %tmp7, uint 7
+       %tmp15 = cast <8 x short> %tmp15 to <2 x long>
+       store <2 x long> %tmp15, <2 x long>* %res
+       ret void
+}