[llvm] adb4cfe - [InstCombine] Use getAllOnesValue()

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2024-08-13T15:04:23+02:00
New Revision: adb4cfe0b61859eb0911b34c6f27eb5925cb9d94

URL: https://github.com/llvm/llvm-project/commit/adb4cfe0b61859eb0911b34c6f27eb5925cb9d94
DIFF: https://github.com/llvm/llvm-project/commit/adb4cfe0b61859eb0911b34c6f27eb5925cb9d94.diff

LOG: [InstCombine] Use getAllOnesValue()

Split off from https://github.com/llvm/llvm-project/pull/80309.

Added: 
    

Modified: 
    llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 10a89b47e0753..2b0347073b7d1 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -312,7 +312,7 @@ Instruction *InstCombinerImpl::foldCmpLoadFromIndexedGlobal(
       DL.getTypeAllocSize(Init->getType()->getArrayElementType());
   auto MaskIdx = [&](Value *Idx) {
     if (!GEP->isInBounds() && llvm::countr_zero(ElementSize) != 0) {
-      Value *Mask = ConstantInt::get(Idx->getType(), -1);
+      Value *Mask = Constant::getAllOnesValue(Idx->getType());
       Mask = Builder.CreateLShr(Mask, llvm::countr_zero(ElementSize));
       Idx = Builder.CreateAnd(Idx, Mask);
     }