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| author | Nick Desaulniers <ndesaulniers@google.com> | 2021-06-21 15:09:23 -0700 |
|---|---|---|
| committer | Nick Desaulniers <ndesaulniers@google.com> | 2021-06-21 15:09:25 -0700 |
| commit | 8ace12130526f450c822ca232d1f865b247d7434 (patch) | |
| tree | 4552bd2698f7a5e3a1b8148e8853106fc7d61770 /clang/lib/CodeGen/CodeGenFunction.cpp | |
| parent | 759e7977679299296a0074bc3aba693d3386eb1c (diff) | |
| download | llvm-8ace12130526f450c822ca232d1f865b247d7434.zip llvm-8ace12130526f450c822ca232d1f865b247d7434.tar.gz llvm-8ace12130526f450c822ca232d1f865b247d7434.tar.bz2 | |
[IR] convert warn-stack-size from module flag to fn attr
Otherwise, this causes issues when building with LTO for object files
that use different values.
Link: https://github.com/ClangBuiltLinux/linux/issues/1395
Reviewed By: dblaikie, MaskRay
Differential Revision: https://reviews.llvm.org/D104342
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 97288d0..0ca9465 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -1053,6 +1053,10 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy, Fn->addFnAttr("packed-stack"); } + if (CGM.getCodeGenOpts().WarnStackSize != UINT_MAX) + Fn->addFnAttr("warn-stack-size", + std::to_string(CGM.getCodeGenOpts().WarnStackSize)); + if (RetTy->isVoidType()) { // Void type; nothing to return. ReturnValue = Address::invalid(); |