[llvm-commits] [polly] r151912 - in /polly/trunk: lib/CodeGeneration.cpp test/CodeGen/simple_vec_assign_scalar_2.ll

[Tobias Grosser]

Author: grosser
Date: Fri Mar  2 09:20:21 2012
New Revision: 151912

URL: http://llvm.org/viewvc/llvm-project?rev=151912&view=rev
Log:
CodeGen: Simplify the generation of a splat

Modified:
    polly/trunk/lib/CodeGeneration.cpp
    polly/trunk/test/CodeGen/simple_vec_assign_scalar_2.ll

Modified: polly/trunk/lib/CodeGeneration.cpp
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/lib/CodeGeneration.cpp?rev=151912&r1=151911&r2=151912&view=diff
==============================================================================
--- polly/trunk/lib/CodeGeneration.cpp (original)
+++ polly/trunk/lib/CodeGeneration.cpp Fri Mar  2 09:20:21 2012
@@ -523,17 +523,10 @@
   if (Operand->getType()->isVectorTy())
     return Operand;
 
-  VectorType *VectorType = VectorType::get(Operand->getType(), VectorWidth);
-  Value *Vector = UndefValue::get(VectorType);
+  Value *Vector = UndefValue::get(VectorType::get(Operand->getType(), 1));
   Vector = Builder.CreateInsertElement(Vector, Operand, Builder.getInt32(0));
-
-  std::vector<Constant*> Splat;
-
-  for (int i = 0; i < VectorWidth; i++)
-    Splat.push_back (Builder.getInt32(0));
-
-  Constant *SplatVector = ConstantVector::get(Splat);
-
+  Constant *SplatVector = ConstantVector::getSplat(VectorWidth,
+                                                   Builder.getInt32(0));
   return Builder.CreateShuffleVector(Vector, Vector, SplatVector);
 }
 

Modified: polly/trunk/test/CodeGen/simple_vec_assign_scalar_2.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/CodeGen/simple_vec_assign_scalar_2.ll?rev=151912&r1=151911&r2=151912&view=diff
==============================================================================
--- polly/trunk/test/CodeGen/simple_vec_assign_scalar_2.ll (original)
+++ polly/trunk/test/CodeGen/simple_vec_assign_scalar_2.ll Fri Mar  2 09:20:21 2012
@@ -41,7 +41,7 @@
   ret i32 %tmp1
 }
 
-; CHECK: insertelement <4 x float> undef, float %p_tmp4, i32 0
-; CHECK: shufflevector <4 x float> %0, <4 x float> %0, <4 x i32> zeroinitializer
+; CHECK: insertelement <1 x float> undef, float %p_tmp4, i32 0
+; CHECK: shufflevector <1 x float> %0, <1 x float> %0, <4 x i32> zeroinitializer
 ; CHECK: fadd <4 x float> %tmp_p_vec_full, %1