From: Chandler Carruth <chandlerc@gmail.com>
Date: Mon, 29 Sep 2014 00:51:58 +0000 (+0000)
Subject: [x86] Improve naming and comments for VSELECT lowering.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b3cf6a65d699f95eedb4413a85633edde5254a79;p=oota-llvm.git

[x86] Improve naming and comments for VSELECT lowering.

No functionality changed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218586 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6158e428da6..ed542560742 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -11834,9 +11834,10 @@ static bool BUILD_VECTORtoBlendMask(BuildVectorSDNode *BuildVector,
   return true;
 }
 
-// Try to lower a vselect node into a simple blend instruction.
-static SDValue LowerVSELECTtoBlend(SDValue Op, const X86Subtarget *Subtarget,
-                                   SelectionDAG &DAG) {
+/// \brief Try to lower a VSELECT instruction to an immediate-controlled blend
+/// instruction.
+static SDValue lowerVSELECTtoBLENDI(SDValue Op, const X86Subtarget *Subtarget,
+                                    SelectionDAG &DAG) {
   SDValue Cond = Op.getOperand(0);
   SDValue LHS = Op.getOperand(1);
   SDValue RHS = Op.getOperand(2);
@@ -11884,8 +11885,8 @@ SDValue X86TargetLowering::LowerVSELECT(SDValue Op, SelectionDAG &DAG) const {
       ISD::isBuildVectorOfConstantSDNodes(Op.getOperand(1).getNode()) &&
       ISD::isBuildVectorOfConstantSDNodes(Op.getOperand(2).getNode()))
     return SDValue();
-  
-  SDValue BlendOp = LowerVSELECTtoBlend(Op, Subtarget, DAG);
+
+  SDValue BlendOp = lowerVSELECTtoBLENDI(Op, Subtarget, DAG);
   if (BlendOp.getNode())
     return BlendOp;