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R600/SI: Get rid of FCLAMP_SI pseudo

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It's not necessary. Also use complex patterns to allow
src modifier usage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221916 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2014-11-13 19:49:04 +00:00
parent 4141e003f9
commit b44e43623d
5 changed files with 54 additions and 25 deletions
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12
lib/Target/R600/AMDGPUISelDAGToDAG.cpp
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@@ -111,6 +111,9 @@ private:
bool SelectVOP3Mods0(SDValue In, SDValue &Src, SDValue &SrcMods,
SDValue &Clamp, SDValue &Omod) const;
bool SelectVOP3Mods0Clamp(SDValue In, SDValue &Src, SDValue &SrcMods,
SDValue &Omod) const;
SDNode *SelectADD_SUB_I64(SDNode *N);
SDNode *SelectDIV_SCALE(SDNode *N);
@@ -1129,6 +1132,15 @@ bool AMDGPUDAGToDAGISel::SelectVOP3Mods0(SDValue In, SDValue &Src,
return SelectVOP3Mods(In, Src, SrcMods);
}
bool AMDGPUDAGToDAGISel::SelectVOP3Mods0Clamp(SDValue In, SDValue &Src,
SDValue &SrcMods,
SDValue &Omod) const {
// FIXME: Handle Omod
Omod = CurDAG->getTargetConstant(0, MVT::i32);
return SelectVOP3Mods(In, Src, SrcMods);
}
void AMDGPUDAGToDAGISel::PostprocessISelDAG() {
const AMDGPUTargetLowering& Lowering =
*static_cast<const AMDGPUTargetLowering*>(getTargetLowering());