[PATCH] vpblend intrinsics combines as shifts intrinsics due to absence return stmt between them

[Robert Khasanov]

Closed by commit rL211617 (authored by rkhasanov).

REPOSITORY
  rL LLVM

http://reviews.llvm.org/D4277

Files:
  llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
  llvm/trunk/test/CodeGen/X86/pr20088.ll

Index: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
@@ -19188,6 +19188,8 @@
       if (C->isAllOnesValue())
         return Op1;
     }
+
+    return SDValue();
   }
 
   // Packed SSE2/AVX2 arithmetic shift immediate intrinsics.
Index: llvm/trunk/test/CodeGen/X86/pr20088.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/pr20088.ll
+++ llvm/trunk/test/CodeGen/X86/pr20088.ll
@@ -0,0 +1,9 @@
+; RUN: llc < %s -mattr=+avx | FileCheck %s
+
+declare <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8>, <16 x i8>, <16 x i8>)
+
+define <16 x i8> @foo(<16 x i8> %x) {
+; CHECK: vpblendvb
+  %res = call <16 x i8> @llvm.x86.sse41.pblendvb(<16 x i8> zeroinitializer, <16 x i8> <i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1, i8 1>, <16 x i8> %x)
+  ret <16 x i8> %res;
+}
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