I forgot to commit this test.

llvm-svn: 85608

1 files changed, 28 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/X86/palignr-2.ll b/llvm/test/CodeGen/X86/palignr-2.ll
new file mode 100644
index 00000000000..2db6926c3a8
--- /dev/null
+++ b/llvm/test/CodeGen/X86/palignr-2.ll
@@ -0,0 +1,28 @@
+; RUN: llc < %s -march=x86 -mattr=+sse3 | FileCheck %s
+; rdar://7341330
+
+@a = global [4 x i32] [i32 4, i32 5, i32 6, i32 7], align 16 ; <[4 x i32]*> [#uses=1]
+@c = common global [4 x i32] zeroinitializer, align 16 ; <[4 x i32]*> [#uses=1]
+@b = global [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 16 ; <[4 x i32]*> [#uses=1]
+
+define void @t1(<2 x i64> %a, <2 x i64> %b) nounwind ssp {
+entry:
+; CHECK: t1:
+; palignr $3, %xmm1, %xmm0
+  %0 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %a, <2 x i64> %b, i32 24) nounwind readnone
+  store <2 x i64> %0, <2 x i64>* bitcast ([4 x i32]* @c to <2 x i64>*), align 16
+  ret void
+}
+
+declare <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64>, <2 x i64>, i32) nounwind readnone
+
+define void @t2() nounwind ssp {
+entry:
+; CHECK: t2:
+; palignr $4, _b, %xmm0
+  %0 = load <2 x i64>* bitcast ([4 x i32]* @b to <2 x i64>*), align 16 ; <<2 x i64>> [#uses=1]
+  %1 = load <2 x i64>* bitcast ([4 x i32]* @a to <2 x i64>*), align 16 ; <<2 x i64>> [#uses=1]
+  %2 = tail call <2 x i64> @llvm.x86.ssse3.palign.r.128(<2 x i64> %1, <2 x i64> %0, i32 32) nounwind readnone
+  store <2 x i64> %2, <2 x i64>* bitcast ([4 x i32]* @c to <2 x i64>*), align 16
+  ret void
+}