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RegisterAllocationPass: don't lookup sources

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lot of silly chasing. not needed.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
This commit is contained in:
Alyssa Rosenzweig 2024-10-02 10:26:02 -04:00
parent ec24fc3d5d
commit c17858bfeb
1 changed files with 7 additions and 4 deletions
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11
FEXCore/Source/Interface/IR/Passes/RegisterAllocationPass.cpp
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@ -508,7 +508,7 @@ void ConstrainedRAPass::Run(IREmitter* IREmit_) {
const uint8_t NumArgs = IR::GetRAArgs(IROp->Op);
for (int8_t i = NumArgs - 1; i >= 0; --i) {
const auto& Arg = IROp->Args[i];
if (IsValidArg(Arg)) {
if (!Arg.IsInvalid()) {
const uint32_t Index = Arg.ID().Value;
SourcesNextUses.push_back(NextUses[Index]);
@ -618,7 +618,7 @@ void ConstrainedRAPass::Run(IREmitter* IREmit_) {
}
for (auto s = 0; s < IR::GetRAArgs(IROp->Op); ++s) {
if (!IsValidArg(IROp->Args[s])) {
if (IROp->Args[s].IsInvalid()) {
continue;
}
@ -626,10 +626,13 @@ void ConstrainedRAPass::Run(IREmitter* IREmit_) {
LOGMAN_THROW_AA_FMT(SourceIndex >= 0, "Consistent source count");
Ref Old = IR->GetNode(IROp->Args[s]);
LOGMAN_THROW_A_FMT(IsInRegisterFile(Old), "sources in file");
if (!SourcesNextUses[SourceIndex]) {
FreeReg(SSAToReg[IR->GetID(Map(Old)).Value]);
auto Reg = SSAToReg[IR->GetID(Map(Old)).Value];
if (!Reg.IsInvalid()) {
LOGMAN_THROW_A_FMT(IsInRegisterFile(Old), "sources in file");
FreeReg(Reg);
}
}
NextUses[IR->GetID(Old).Value] = SourcesNextUses[SourceIndex];