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| author | Gulfem Savrun Yeniceri <gulfem@google.com> | 2020-12-14 13:56:11 -0800 |
|---|---|---|
| committer | Haowei Wu <haowei@google.com> | 2020-12-14 14:48:17 -0800 |
| commit | 7c0e3a77bc43a9c4d05f68ffd4e84d0f75efbd91 (patch) | |
| tree | 3ef410f32fa7b0501d29beaa9e64e27e79fe20df /clang/lib/CodeGen/CGCall.cpp | |
| parent | b3d1d1f4fff816423ea8c652d8d849aacc4c6ce8 (diff) | |
| download | llvm-7c0e3a77bc43a9c4d05f68ffd4e84d0f75efbd91.zip llvm-7c0e3a77bc43a9c4d05f68ffd4e84d0f75efbd91.tar.gz llvm-7c0e3a77bc43a9c4d05f68ffd4e84d0f75efbd91.tar.bz2 | |
[clang][IR] Add support for leaf attribute
This patch adds support for leaf attribute as an optimization hint
in Clang/LLVM.
Differential Revision: https://reviews.llvm.org/D90275
Diffstat (limited to 'clang/lib/CodeGen/CGCall.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGCall.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp index 5db34b6..73194be 100644 --- a/clang/lib/CodeGen/CGCall.cpp +++ b/clang/lib/CodeGen/CGCall.cpp @@ -1989,6 +1989,8 @@ void CodeGenModule::ConstructAttributeList( FuncAttrs.addAttribute("no_caller_saved_registers"); if (TargetDecl->hasAttr<AnyX86NoCfCheckAttr>()) FuncAttrs.addAttribute(llvm::Attribute::NoCfCheck); + if (TargetDecl->hasAttr<LeafAttr>()) + FuncAttrs.addAttribute(llvm::Attribute::NoCallback); HasOptnone = TargetDecl->hasAttr<OptimizeNoneAttr>(); if (auto *AllocSize = TargetDecl->getAttr<AllocSizeAttr>()) { |