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[TargetLowering] precommit refactor from D115688 NFC 

Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
This commit is contained in:
Nick Desaulniers 2022-01-10 18:31:29 -08:00
parent b607cd3928
commit 301e911740
1 changed files with 13 additions and 13 deletions
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26
llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -4603,9 +4603,7 @@ void TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
case 'n': // Simple Integer
case 's': { // Relocatable Constant
GlobalAddressSDNode *GA;
ConstantSDNode *C;
BlockAddressSDNode *BA;
uint64_t Offset = 0;
// Match (GA) or (C) or (GA+C) or (GA-C) or ((GA+C)+C) or (((GA+C)+C)+C),
@ -4614,12 +4612,6 @@ void TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
// while in this case the GA may be furthest from the root node which is
// likely an ISD::ADD.
while (true) {
if ((GA = dyn_cast<GlobalAddressSDNode>(Op)) && ConstraintLetter != 'n') {
Ops.push_back(DAG.getTargetGlobalAddress(GA->getGlobal(), SDLoc(Op),
GA->getValueType(0),
Offset + GA->getOffset()));
return;
}
if ((C = dyn_cast<ConstantSDNode>(Op)) && ConstraintLetter != 's') {
// gcc prints these as sign extended. Sign extend value to 64 bits
// now; without this it would get ZExt'd later in
@ -4634,11 +4626,19 @@ void TargetLowering::LowerAsmOperandForConstraint(SDValue Op,
DAG.getTargetConstant(Offset + ExtVal, SDLoc(C), MVT::i64));
return;
}
if ((BA = dyn_cast<BlockAddressSDNode>(Op)) && ConstraintLetter != 'n') {
Ops.push_back(DAG.getTargetBlockAddress(
BA->getBlockAddress(), BA->getValueType(0),
Offset + BA->getOffset(), BA->getTargetFlags()));
return;
if (ConstraintLetter != 'n') {
if (const auto *GA = dyn_cast<GlobalAddressSDNode>(Op)) {
Ops.push_back(DAG.getTargetGlobalAddress(GA->getGlobal(), SDLoc(Op),
GA->getValueType(0),
Offset + GA->getOffset()));
return;
}
if (const auto *BA = dyn_cast<BlockAddressSDNode>(Op)) {
Ops.push_back(DAG.getTargetBlockAddress(
BA->getBlockAddress(), BA->getValueType(0),
Offset + BA->getOffset(), BA->getTargetFlags()));
return;
}
}
const unsigned OpCode = Op.getOpcode();
if (OpCode == ISD::ADD || OpCode == ISD::SUB) {