Fix lowering of VECTOR_SHUFFLE on SPU. Old algorithm
used to choke llc with the attached test.
 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106411 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/CellSPU/shuffles.ll b/test/CodeGen/CellSPU/shuffles.ll
new file mode 100644
index 0000000..20ac570
--- /dev/null
+++ b/test/CodeGen/CellSPU/shuffles.ll
@@ -0,0 +1,10 @@
+; RUN: llc --march=cellspu < %s | FileCheck %s
+
+define <4 x float> @shuffle(<4 x float> %param1, <4 x float> %param2) {
+  ; CHECK: cwd {{\$.}}, 0($sp)
+  ; CHECK: shufb {{\$., \$4, \$3, \$.}}
+  %val= shufflevector <4 x float> %param1, <4 x float> %param2, <4 x i32> <i32 4,i32 1,i32 2,i32 3>
+  ret <4 x float> %val
+  
+}
+