[llvm] ede6a16 - [PowerPC] Use constant 64-bit indices for Extract/InsertElement (#209015)

[via llvm-commits]

Author: Andreas Jonson
Date: 2026-07-12T19:01:50+02:00
New Revision: ede6a16b1bc4a870ff6180caeb87b727699cd9c1

URL: https://github.com/llvm/llvm-project/commit/ede6a16b1bc4a870ff6180caeb87b727699cd9c1
DIFF: https://github.com/llvm/llvm-project/commit/ede6a16b1bc4a870ff6180caeb87b727699cd9c1.diff

LOG: [PowerPC] Use constant 64-bit indices for Extract/InsertElement (#209015)

The canonical form preferred by instCombine is to use 64-bit values for
constant index in ExtractElement and InsertElement.

Added: 
    

Modified: 
    llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
index 667195ea410ef..9d08273aea19a 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
@@ -153,12 +153,12 @@ PPCTTIImpl::instCombineIntrinsic(InstCombiner &IC, IntrinsicInst &II) const {
             Value *Op0ToUse = (DL.isLittleEndian()) ? Op1 : Op0;
             Value *Op1ToUse = (DL.isLittleEndian()) ? Op0 : Op1;
             ExtractedElts[Idx] = IC.Builder.CreateExtractElement(
-                Idx < 16 ? Op0ToUse : Op1ToUse, IC.Builder.getInt32(Idx & 15));
+                Idx < 16 ? Op0ToUse : Op1ToUse, Idx & 15);
           }
 
           // Insert this value into the result vector.
-          Result = IC.Builder.CreateInsertElement(Result, ExtractedElts[Idx],
-                                                  IC.Builder.getInt32(I));
+          Result =
+              IC.Builder.CreateInsertElement(Result, ExtractedElts[Idx], I);
         }
         return CastInst::Create(Instruction::BitCast, Result, II.getType());
       }