new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27289 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/vcmp-fold.ll b/test/CodeGen/PowerPC/vcmp-fold.ll
new file mode 100644 (file)
index 0000000..04698d7
--- /dev/null
+++ b/test/CodeGen/PowerPC/vcmp-fold.ll
@@ -0,0 +1,21 @@
+; This should fold the "vcmpbfp." and "vcmpbfp" instructions into a single 
+; "vcmpbfp.".
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vcmpbfp | wc -l | grep 1
+
+void %test(<4 x float>* %x, <4 x float>* %y, int* %P) {
+entry:
+       %tmp = load <4 x float>* %x             ; <<4 x float>> [#uses=1]
+       %tmp2 = load <4 x float>* %y            ; <<4 x float>> [#uses=1]
+       %tmp = call int %llvm.ppc.altivec.vcmpbfp.p( int 1, <4 x float> %tmp, <4 x float> %tmp2 )               ; <int> [#uses=1]
+       %tmp4 = load <4 x float>* %x            ; <<4 x float>> [#uses=1]
+       %tmp6 = load <4 x float>* %y            ; <<4 x float>> [#uses=1]
+       %tmp = call <4 x int> %llvm.ppc.altivec.vcmpbfp( <4 x float> %tmp4, <4 x float> %tmp6 )         ; <<4 x int>> [#uses=1]
+       %tmp7 = cast <4 x int> %tmp to <4 x float>              ; <<4 x float>> [#uses=1]
+       store <4 x float> %tmp7, <4 x float>* %x
+       store int %tmp, int* %P
+       ret void
+}
+
+declare int %llvm.ppc.altivec.vcmpbfp.p(int, <4 x float>, <4 x float>)
+
+declare <4 x int> %llvm.ppc.altivec.vcmpbfp(<4 x float>, <4 x float>)