[clang] [clang][bytecode] Save Immediate bit in Function (PR #139671)
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Mon May 12 23:24:35 PDT 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: Timm Baeder (tbaederr)
<details>
<summary>Changes</summary>
Otherwise, we have to look at the FunctionDecl at every function call.
---
Full diff: https://github.com/llvm/llvm-project/pull/139671.diff
3 Files Affected:
- (modified) clang/lib/AST/ByteCode/Function.cpp (+1)
- (modified) clang/lib/AST/ByteCode/Function.h (+2)
- (modified) clang/lib/AST/ByteCode/Interp.cpp (+1-1)
``````````diff
diff --git a/clang/lib/AST/ByteCode/Function.cpp b/clang/lib/AST/ByteCode/Function.cpp
index 8a4e089d9ecd0..f790d13738953 100644
--- a/clang/lib/AST/ByteCode/Function.cpp
+++ b/clang/lib/AST/ByteCode/Function.cpp
@@ -26,6 +26,7 @@ Function::Function(Program &P, FunctionDeclTy Source, unsigned ArgSize,
HasRVO(HasRVO) {
if (const auto *F = dyn_cast<const FunctionDecl *>(Source)) {
Variadic = F->isVariadic();
+ Immediate = F->isImmediateFunction();
if (const auto *CD = dyn_cast<CXXConstructorDecl>(F)) {
Virtual = CD->isVirtual();
Kind = FunctionKind::Ctor;
diff --git a/clang/lib/AST/ByteCode/Function.h b/clang/lib/AST/ByteCode/Function.h
index 436574dd3a4c7..c21ac441ad5d5 100644
--- a/clang/lib/AST/ByteCode/Function.h
+++ b/clang/lib/AST/ByteCode/Function.h
@@ -155,6 +155,7 @@ class Function final {
/// Checks if the function is virtual.
bool isVirtual() const { return Virtual; };
+ bool isImmediate() const { return Immediate; }
/// Checks if the function is a constructor.
bool isConstructor() const { return Kind == FunctionKind::Ctor; }
@@ -292,6 +293,7 @@ class Function final {
bool Defined = false;
bool Variadic = false;
bool Virtual = false;
+ bool Immediate = false;
public:
/// Dumps the disassembled bytecode to \c llvm::errs().
diff --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp
index 43f8d156589b6..a13b56c82cb44 100644
--- a/clang/lib/AST/ByteCode/Interp.cpp
+++ b/clang/lib/AST/ByteCode/Interp.cpp
@@ -1502,7 +1502,7 @@ bool Call(InterpState &S, CodePtr OpPC, const Function *Func,
InterpFrame *FrameBefore = S.Current;
S.Current = NewFrame.get();
- InterpStateCCOverride CCOverride(S, Func->getDecl()->isImmediateFunction());
+ InterpStateCCOverride CCOverride(S, Func->isImmediate());
// Note that we cannot assert(CallResult.hasValue()) here since
// Ret() above only sets the APValue if the curent frame doesn't
// have a caller set.
``````````
</details>
https://github.com/llvm/llvm-project/pull/139671
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