test that vspltw is generated for test cases

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26955 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/vec_spat.ll b/test/CodeGen/PowerPC/vec_spat.ll
new file mode 100644 (file)
index 0000000..a06b625
--- /dev/null
+++ b/test/CodeGen/PowerPC/vec_spat.ll
@@ -0,0 +1,31 @@
+; Test that vectors are scalarized/lowered correctly.
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g5 | grep vspltw | wc -l | grep 2 &&
+; RUN: llvm-as < %s | llc -march=ppc32 -mcpu=g3 | grep stfs | wc -l | grep 4
+
+%f4 = type <4 x float>
+%i4 = type <4 x int>
+
+implementation
+
+void %splat(%f4* %P, %f4* %Q, float %X) {
+        %tmp = insertelement %f4 undef, float %X, uint 0
+        %tmp2 = insertelement %f4 %tmp, float %X, uint 1
+        %tmp4 = insertelement %f4 %tmp2, float %X, uint 2
+        %tmp6 = insertelement %f4 %tmp4, float %X, uint 3
+       %q = load %f4* %Q
+       %R = add %f4 %q, %tmp6
+        store %f4 %R, %f4* %P
+        ret void
+}
+
+void %splat_i4(%i4* %P, %i4* %Q, int %X) {
+        %tmp = insertelement %i4 undef, int %X, uint 0
+        %tmp2 = insertelement %i4 %tmp, int %X, uint 1
+        %tmp4 = insertelement %i4 %tmp2, int %X, uint 2
+        %tmp6 = insertelement %i4 %tmp4, int %X, uint 3
+       %q = load %i4* %Q
+       %R = add %i4 %q, %tmp6
+        store %i4 %R, %i4* %P
+        ret void
+}
+