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-rw-r--r--clang/lib/CodeGen/CodeGenModule.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index e65128813e1..7ad08e0e0a7 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -620,9 +620,10 @@ void CodeGenModule::SetLLVMFunctionAttributesForDefinition(const Decl *D,
B.addAttribute(llvm::Attribute::AlwaysInline);
}
- // FIXME: Communicate hot and cold attributes to LLVM more directly.
- if (D->hasAttr<ColdAttr>())
+ if (D->hasAttr<ColdAttr>()) {
B.addAttribute(llvm::Attribute::OptimizeForSize);
+ B.addAttribute(llvm::Attribute::Cold);
+ }
if (D->hasAttr<MinSizeAttr>())
B.addAttribute(llvm::Attribute::MinSize);
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