diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstructionCombining.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp index 04e81f4bd15..92acad336dc 100644 --- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -3141,7 +3141,7 @@ combineInstructionsOverFunction(Function &F, InstCombineWorklist &Worklist, // Lower dbg.declare intrinsics otherwise their value may be clobbered // by instcombiner. - bool DbgDeclaresChanged = LowerDbgDeclare(F); + bool MadeIRChange = LowerDbgDeclare(F); // Iterate while there is work to do. int Iteration = 0; @@ -3150,18 +3150,17 @@ combineInstructionsOverFunction(Function &F, InstCombineWorklist &Worklist, DEBUG(dbgs() << "\n\nINSTCOMBINE ITERATION #" << Iteration << " on " << F.getName() << "\n"); - bool Changed = prepareICWorklistFromFunction(F, DL, &TLI, Worklist); + MadeIRChange |= prepareICWorklistFromFunction(F, DL, &TLI, Worklist); InstCombiner IC(Worklist, &Builder, F.optForMinSize(), ExpensiveCombines, AA, AC, TLI, DT, DL, LI); IC.MaxArraySizeForCombine = MaxArraySize; - Changed |= IC.run(); - if (!Changed) + if (!IC.run()) break; } - return DbgDeclaresChanged || Iteration > 1; + return MadeIRChange || Iteration > 1; } PreservedAnalyses InstCombinePass::run(Function &F, |
