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R600: Fix assert on copy of an i1 on pre-SI 

i1 is not a legal type on Evergreen, so this combine proceeded
and tried to produce a bitcast between i1 and i8.

llvm-svn: 222630
This commit is contained in:
Matt Arsenault 2014-11-23 02:57:52 +00:00
parent b7ebdffe3c
commit 28638f1e2c
1 changed files with 2 additions and 1 deletions
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3
llvm/lib/Target/R600/AMDGPUISelLowering.cpp
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@ -2155,7 +2155,8 @@ SDValue AMDGPUTargetLowering::performStoreCombine(SDNode *N,
SDValue Value = SN->getValue();
EVT VT = Value.getValueType();
if (isTypeLegal(VT) || SN->isVolatile() || !ISD::isNormalLoad(Value.getNode()))
if (isTypeLegal(VT) || SN->isVolatile() ||
!ISD::isNormalLoad(Value.getNode()) || VT.getSizeInBits() < 8)
return SDValue();
LoadSDNode *LoadVal = cast<LoadSDNode>(Value);