[llvm-commits] [llvm] r172797 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Craig Topper craig.topper at gmail.com
Fri Jan 18 00:41:28 PST 2013


Author: ctopper
Date: Fri Jan 18 02:41:28 2013
New Revision: 172797

URL: http://llvm.org/viewvc/llvm-project?rev=172797&view=rev
Log:
Calculate vector element size more directly for VINSERTF128/VEXTRACTF128 immediate handling. Also use MVT since this only called on legal types during pattern matching.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=172797&r1=172796&r2=172797&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jan 18 02:41:28 2013
@@ -4011,9 +4011,8 @@
   uint64_t Index =
     cast<ConstantSDNode>(N->getOperand(1).getNode())->getZExtValue();
 
-  unsigned VL = N->getValueType(0).getVectorNumElements();
-  unsigned VBits = N->getValueType(0).getSizeInBits();
-  unsigned ElSize = VBits / VL;
+  MVT VT = N->getValueType(0).getSimpleVT();
+  unsigned ElSize = VT.getVectorElementType().getSizeInBits();
   bool Result = (Index * ElSize) % 128 == 0;
 
   return Result;
@@ -4030,9 +4029,8 @@
   uint64_t Index =
     cast<ConstantSDNode>(N->getOperand(2).getNode())->getZExtValue();
 
-  unsigned VL = N->getValueType(0).getVectorNumElements();
-  unsigned VBits = N->getValueType(0).getSizeInBits();
-  unsigned ElSize = VBits / VL;
+  MVT VT = N->getValueType(0).getSimpleVT();
+  unsigned ElSize = VT.getVectorElementType().getSizeInBits();
   bool Result = (Index * ElSize) % 128 == 0;
 
   return Result;





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