1 files changed, 56 insertions, 0 deletions
diff --git a/test/CodeGen/X86/vshift-5.ll b/test/CodeGen/X86/vshift-5.ll
new file mode 100644
index 0000000..a543f38
--- /dev/null
+++ b/test/CodeGen/X86/vshift-5.ll
@@ -0,0 +1,56 @@
+; RUN: llc < %s -march=x86 -mattr=+sse2 -disable-mmx | FileCheck %s
+
+; When loading the shift amount from memory, avoid generating the splat.
+
+define void @shift5a(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind {
+entry:
+; CHECK: shift5a:
+; CHECK: movd
+; CHECK-NEXT: pslld
+  %amt = load i32* %pamt 
+  %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
+  %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 
+  %shl = shl <4 x i32> %val, %shamt
+  store <4 x i32> %shl, <4 x i32>* %dst
+  ret void
+}
+
+
+define void @shift5b(<4 x i32> %val, <4 x i32>* %dst, i32* %pamt) nounwind {
+entry:
+; CHECK: shift5b:
+; CHECK: movd
+; CHECK-NEXT: psrad
+  %amt = load i32* %pamt 
+  %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
+  %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer 
+  %shr = ashr <4 x i32> %val, %shamt
+  store <4 x i32> %shr, <4 x i32>* %dst
+  ret void
+}
+
+
+define void @shift5c(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
+entry:
+; CHECK: shift5c:
+; CHECK: movd
+; CHECK-NEXT: pslld
+  %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
+  %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
+  %shl = shl <4 x i32> %val, %shamt
+  store <4 x i32> %shl, <4 x i32>* %dst
+  ret void
+}
+
+
+define void @shift5d(<4 x i32> %val, <4 x i32>* %dst, i32 %amt) nounwind {
+entry:
+; CHECK: shift5d:
+; CHECK: movd
+; CHECK-NEXT: psrad
+  %tmp0 = insertelement <4 x i32> undef, i32 %amt, i32 0
+  %shamt = shufflevector <4 x i32> %tmp0, <4 x i32> undef, <4 x i32> zeroinitializer
+  %shr = ashr <4 x i32> %val, %shamt
+  store <4 x i32> %shr, <4 x i32>* %dst
+  ret void
+}