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R600: Remove unnecessary attempt to zext a pointer.

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Private pointers are now always 32-bits.

llvm-svn: 203989
This commit is contained in:
Matt Arsenault 2014-03-15 00:08:26 +00:00
parent 001181bb1b
commit 114c69ce5a
1 changed files with 6 additions and 3 deletions
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9
lib/Target/R600/AMDGPUISelLowering.cpp
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@ -769,15 +769,18 @@ SDValue AMDGPUTargetLowering::LowerSTORE(SDValue Op, SelectionDAG &DAG) const {
} else if (Store->getMemoryVT() == MVT::i16) {
Mask = 0xffff;
}
SDValue TruncPtr = DAG.getZExtOrTrunc(Store->getBasePtr(), DL, MVT::i32);
SDValue Ptr = DAG.getNode(ISD::SRL, DL, MVT::i32, TruncPtr,
SDValue BasePtr = Store->getBasePtr();
SDValue Ptr = DAG.getNode(ISD::SRL, DL, MVT::i32, BasePtr,
DAG.getConstant(2, MVT::i32));
SDValue Dst = DAG.getNode(AMDGPUISD::REGISTER_LOAD, DL, MVT::i32,
Chain, Ptr, DAG.getTargetConstant(0, MVT::i32));
SDValue ByteIdx = DAG.getNode(ISD::AND, DL, MVT::i32, TruncPtr,
SDValue ByteIdx = DAG.getNode(ISD::AND, DL, MVT::i32, BasePtr,
DAG.getConstant(0x3, MVT::i32));
SDValue ShiftAmt = DAG.getNode(ISD::SHL, DL, MVT::i32, ByteIdx,
DAG.getConstant(3, MVT::i32));
SDValue SExtValue = DAG.getNode(ISD::SIGN_EXTEND, DL, MVT::i32,
Store->getValue());