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[SelectionDAGBuilder] Simplify the struct type handling in getUniformBase.

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This commit is contained in:
Craig Topper 2020-03-13 12:57:20 -07:00
parent 68f278abc5
commit 8a39768ac7
1 changed files with 2 additions and 9 deletions
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11
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -4424,16 +4424,9 @@ static bool getUniformBase(const Value *&Ptr, SDValue &Base, SDValue &Index,
if (STy) {
const StructLayout *SL = DL.getStructLayout(STy);
if (isa<VectorType>(C->getType())) {
C = C->getSplatValue();
// FIXME: If getSplatValue may return nullptr for a structure?
// If not, the following check can be removed.
if (!C)
return false;
}
auto *CI = cast<ConstantInt>(C);
unsigned Field = cast<Constant>(IndexVal)->getUniqueInteger().getZExtValue();
Scale = DAG.getTargetConstant(1, SDB->getCurSDLoc(), TLI.getPointerTy(DL));
Index = DAG.getConstant(SL->getElementOffset(CI->getZExtValue()),
Index = DAG.getConstant(SL->getElementOffset(Field),
SDB->getCurSDLoc(), TLI.getPointerTy(DL));
} else {
Scale = DAG.getTargetConstant(