Use the new attribute scheme to pass mips16/nomips16 attributes from
clang to llvm
Index: test/CodeGen/mips16-attr.c
===================================================================
--- test/CodeGen/mips16-attr.c (revision 0)
+++ test/CodeGen/mips16-attr.c (revision 0)
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -triple mipsel-linux-gnu -emit-llvm -o - %s | FileCheck %s
+void __attribute__((mips16)) foo (void) {
+
+}
+
+// CHECK: define void @foo() [[MIPS16:#[0-9]+]]
+
+void __attribute__((nomips16)) nofoo (void) {
+
+}
+
+// CHECK: define void @nofoo() [[NOMIPS16:#[0-9]+]]
+
+// CHECK: attributes [[MIPS16]] = { nounwind "fp-contract-model"="standard"
"mips16" {{.*}} }
+
+// CHECK: attributes [[NOMIPS16]] = { nounwind "fp-contract-model"="standard"
"nomips16" {{.*}} }
+
Index: lib/CodeGen/TargetInfo.cpp
===================================================================
--- lib/CodeGen/TargetInfo.cpp (revision 176874)
+++ lib/CodeGen/TargetInfo.cpp (working copy)
@@ -4321,10 +4321,30 @@
void SetTargetAttributes(const Decl *D, llvm::GlobalValue *GV,
CodeGen::CodeGenModule &CGM) const {
- //
- // can fill this in when new attribute work in llvm is done.
- // attributes mips16 and nomips16 need to be handled here.
- //
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
+ if (FD->hasAttr<Mips16Attr>()) {
+ // Get the LLVM function.
+ llvm::Function *Fn = cast<llvm::Function>(GV);
+ llvm::AttrBuilder B;
+ B.addAttribute("mips16");
+ Fn->addAttributes(
+ llvm::AttributeSet::FunctionIndex,
+ llvm::AttributeSet::get(CGM.getLLVMContext(),
+ llvm::AttributeSet::FunctionIndex,
+ B));
+ }
+ else if (FD->hasAttr<NoMips16Attr>()) {
+ // Get the LLVM function.
+ llvm::Function *Fn = cast<llvm::Function>(GV);
+ llvm::AttrBuilder B;
+ B.addAttribute("nomips16");
+ Fn->addAttributes(
+ llvm::AttributeSet::FunctionIndex,
+ llvm::AttributeSet::get(CGM.getLLVMContext(),
+ llvm::AttributeSet::FunctionIndex,
+ B));
+ }
+ }
}
bool initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,
llvm::Value *Address) const;
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