tbaeder created this revision.
tbaeder added reviewers: aaron.ballman, erichkeane, shafik, cor3ntin.
Herald added a project: All.
tbaeder requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
I think this makes sense to do, given that the `ConstantExpr`... is constant
and can even already have the result attached.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D155548
Files:
clang/lib/AST/ExprConstant.cpp
Index: clang/lib/AST/ExprConstant.cpp
===================================================================
--- clang/lib/AST/ExprConstant.cpp
+++ clang/lib/AST/ExprConstant.cpp
@@ -15206,6 +15206,17 @@
return true;
}
+ if (const auto *CE = dyn_cast<ConstantExpr>(Exp)) {
+ if (CE->hasAPValueResult()) {
+ Result.Val = CE->getAPValueResult();
+ IsConst = true;
+ return true;
+ }
+
+ // The SubExpr is usually just an IntegerLiteral.
+ return FastEvaluateAsRValue(CE->getSubExpr(), Result, Ctx, IsConst);
+ }
+
// This case should be rare, but we need to check it before we check on
// the type below.
if (Exp->getType().isNull()) {
Index: clang/lib/AST/ExprConstant.cpp
===================================================================
--- clang/lib/AST/ExprConstant.cpp
+++ clang/lib/AST/ExprConstant.cpp
@@ -15206,6 +15206,17 @@
return true;
}
+ if (const auto *CE = dyn_cast<ConstantExpr>(Exp)) {
+ if (CE->hasAPValueResult()) {
+ Result.Val = CE->getAPValueResult();
+ IsConst = true;
+ return true;
+ }
+
+ // The SubExpr is usually just an IntegerLiteral.
+ return FastEvaluateAsRValue(CE->getSubExpr(), Result, Ctx, IsConst);
+ }
+
// This case should be rare, but we need to check it before we check on
// the type below.
if (Exp->getType().isNull()) {
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