[llvm] 17d276a - [TypePromotion] Avoid use of ConstantExpr::getZExt() (NFC)

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2023-09-28T16:19:08+02:00
New Revision: 17d276a6b8c9d9dce7d3317fe56fd3aa4987f0ea

URL: https://github.com/llvm/llvm-project/commit/17d276a6b8c9d9dce7d3317fe56fd3aa4987f0ea
DIFF: https://github.com/llvm/llvm-project/commit/17d276a6b8c9d9dce7d3317fe56fd3aa4987f0ea.diff

LOG: [TypePromotion] Avoid use of ConstantExpr::getZExt() (NFC)

Instead work on APInt.

Added: 
    

Modified: 
    llvm/lib/CodeGen/TypePromotion.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/TypePromotion.cpp b/llvm/lib/CodeGen/TypePromotion.cpp
index 426292345a1478a..51f77e5fd8b08af 100644
--- a/llvm/lib/CodeGen/TypePromotion.cpp
+++ b/llvm/lib/CodeGen/TypePromotion.cpp
@@ -492,11 +492,13 @@ void IRPromoter::PromoteTree() {
         // SafeWrap because SafeWrap.size() is used elsewhere.
         // For cmp, we need to sign extend a constant appearing in either
         // operand. For add, we should only sign extend the RHS.
-        Constant *NewConst = (SafeWrap.contains(I) &&
+        Constant *NewConst =
+            ConstantInt::get(Const->getContext(),
+                             (SafeWrap.contains(I) &&
                               (I->getOpcode() == Instruction::ICmp || i == 1) &&
                               I->getOpcode() != Instruction::Sub)
-                                 ? ConstantExpr::getSExt(Const, ExtTy)
-                                 : ConstantExpr::getZExt(Const, ExtTy);
+                                 ? Const->getValue().sext(PromotedWidth)
+                                 : Const->getValue().zext(PromotedWidth));
         I->setOperand(i, NewConst);
       } else if (isa<UndefValue>(Op))
         I->setOperand(i, ConstantInt::get(ExtTy, 0));