[clang] llvm#162046 removed urem() call in rotate builtins, called rotl/rotr directly (PR #162113)
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Mon Oct 6 09:32:12 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: None (rdez13)
<details>
<summary>Changes</summary>
Fixes #<!-- -->162046
---
Full diff: https://github.com/llvm/llvm-project/pull/162113.diff
1 Files Affected:
- (modified) clang/lib/AST/ExprConstant.cpp (+2-2)
``````````diff
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp
index 7bf28d988f405..a9fedc1df56ce 100644
--- a/clang/lib/AST/ExprConstant.cpp
+++ b/clang/lib/AST/ExprConstant.cpp
@@ -14265,7 +14265,7 @@ bool IntExprEvaluator::VisitBuiltinCallExpr(const CallExpr *E,
!EvaluateInteger(E->getArg(1), Amt, Info))
return false;
- return Success(Val.rotl(Amt.urem(Val.getBitWidth())), E);
+ return Success(Val.rotl(Amt), E);
}
case Builtin::BI__builtin_rotateright8:
@@ -14282,7 +14282,7 @@ bool IntExprEvaluator::VisitBuiltinCallExpr(const CallExpr *E,
!EvaluateInteger(E->getArg(1), Amt, Info))
return false;
- return Success(Val.rotr(Amt.urem(Val.getBitWidth())), E);
+ return Success(Val.rotr(Amt), E);
}
case Builtin::BI__builtin_elementwise_add_sat: {
``````````
</details>
https://github.com/llvm/llvm-project/pull/162113
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