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Push analysis passes to InstSimplify when they're around anyways.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191309 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2013-09-24 16:37:40 +00:00
parent 3706eda52c
commit d721520e4c
3 changed files with 4 additions and 3 deletions
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2
lib/Transforms/InstCombine/InstCombinePHI.cpp
View File

@ -790,7 +790,7 @@ Instruction *InstCombiner::SliceUpIllegalIntegerPHI(PHINode &FirstPhi) {
// PHINode simplification
//
Instruction *InstCombiner::visitPHINode(PHINode &PN) {
if (Value *V = SimplifyInstruction(&PN, TD))
if (Value *V = SimplifyInstruction(&PN, TD, TLI))
return ReplaceInstUsesWith(PN, V);
// If all PHI operands are the same operation, pull them through the PHI,

3
lib/Transforms/Scalar/CodeGenPrepare.cpp
View File

@ -1893,7 +1893,8 @@ bool CodeGenPrepare::OptimizeInst(Instruction *I) {
// It is possible for very late stage optimizations (such as SimplifyCFG)
// to introduce PHI nodes too late to be cleaned up. If we detect such a
// trivial PHI, go ahead and zap it here.
if (Value *V = SimplifyInstruction(P)) {
if (Value *V = SimplifyInstruction(P, TLI ? TLI->getDataLayout() : 0,
TLInfo, DT)) {
P->replaceAllUsesWith(V);
P->eraseFromParent();
++NumPHIsElim;

2
lib/Transforms/Utils/Local.cpp
View File

@ -413,7 +413,7 @@ bool llvm::SimplifyInstructionsInBlock(BasicBlock *BB, const DataLayout *TD,
Instruction *Inst = BI++;
WeakVH BIHandle(BI);
if (recursivelySimplifyInstruction(Inst, TD)) {
if (recursivelySimplifyInstruction(Inst, TD, TLI)) {
MadeChange = true;
if (BIHandle != BI)
BI = BB->begin();