RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 03:02:36 +01:00
Code Issues Projects Releases Wiki Activity

[NFC] Factor out some local vars

Browse Source 
llvm-svn: 351416
This commit is contained in:
Max Kazantsev 2019-01-17 06:20:42 +00:00
parent c66efefd0f
commit 51a580322e
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
lib/Transforms/Scalar/InductiveRangeCheckElimination.cpp
View File

@ -1264,15 +1264,17 @@ LoopConstrainer::RewrittenRangeInfo LoopConstrainer::changeIterationSpaceEnd(
Increasing Increasing
? (IsSignedPredicate ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT) ? (IsSignedPredicate ? ICmpInst::ICMP_SLT : ICmpInst::ICMP_ULT)
: (IsSignedPredicate ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT); : (IsSignedPredicate ? ICmpInst::ICMP_SGT : ICmpInst::ICMP_UGT);
EnterLoopCond = B.CreateICmp(Pred, LS.IndVarStart, ExitSubloopAt); Value *IndVarStart = LS.IndVarStart;
Value *IndVarBase = LS.IndVarBase;
Value *LoopExitAt = LS.LoopExitAt;
EnterLoopCond = B.CreateICmp(Pred, IndVarStart, ExitSubloopAt);
B.CreateCondBr(EnterLoopCond, LS.Header, RRI.PseudoExit); B.CreateCondBr(EnterLoopCond, LS.Header, RRI.PseudoExit);
PreheaderJump->eraseFromParent(); PreheaderJump->eraseFromParent();
LS.LatchBr->setSuccessor(LS.LatchBrExitIdx, RRI.ExitSelector); LS.LatchBr->setSuccessor(LS.LatchBrExitIdx, RRI.ExitSelector);
B.SetInsertPoint(LS.LatchBr); B.SetInsertPoint(LS.LatchBr);
Value *TakeBackedgeLoopCond = B.CreateICmp(Pred, LS.IndVarBase, Value *TakeBackedgeLoopCond = B.CreateICmp(Pred, IndVarBase, ExitSubloopAt);
ExitSubloopAt);
Value *CondForBranch = LS.LatchBrExitIdx == 1 Value *CondForBranch = LS.LatchBrExitIdx == 1
? TakeBackedgeLoopCond ? TakeBackedgeLoopCond
@ -1285,7 +1287,7 @@ LoopConstrainer::RewrittenRangeInfo LoopConstrainer::changeIterationSpaceEnd(
// IterationsLeft - are there any more iterations left, given the original // IterationsLeft - are there any more iterations left, given the original
// upper bound on the induction variable? If not, we branch to the "real" // upper bound on the induction variable? If not, we branch to the "real"
// exit. // exit.
Value *IterationsLeft = B.CreateICmp(Pred, LS.IndVarBase, LS.LoopExitAt); Value *IterationsLeft = B.CreateICmp(Pred, IndVarBase, LoopExitAt);
B.CreateCondBr(IterationsLeft, RRI.PseudoExit, LS.LatchExit); B.CreateCondBr(IterationsLeft, RRI.PseudoExit, LS.LatchExit);
BranchInst *BranchToContinuation = BranchInst *BranchToContinuation =
@ -1304,10 +1306,10 @@ LoopConstrainer::RewrittenRangeInfo LoopConstrainer::changeIterationSpaceEnd(
RRI.PHIValuesAtPseudoExit.push_back(NewPHI); RRI.PHIValuesAtPseudoExit.push_back(NewPHI);
} }
RRI.IndVarEnd = PHINode::Create(LS.IndVarBase->getType(), 2, "indvar.end", RRI.IndVarEnd = PHINode::Create(IndVarBase->getType(), 2, "indvar.end",
BranchToContinuation); BranchToContinuation);
RRI.IndVarEnd->addIncoming(LS.IndVarStart, Preheader); RRI.IndVarEnd->addIncoming(IndVarStart, Preheader);
RRI.IndVarEnd->addIncoming(LS.IndVarBase, RRI.ExitSelector); RRI.IndVarEnd->addIncoming(IndVarBase, RRI.ExitSelector);
// The latch exit now has a branch from `RRI.ExitSelector' instead of // The latch exit now has a branch from `RRI.ExitSelector' instead of
// `LS.Latch'. The PHI nodes need to be updated to reflect that. // `LS.Latch'. The PHI nodes need to be updated to reflect that.