Add proper target hooks for __builtin_extract_return_address and
__builtin_frob_return_address. The implementations for both are
still trivial in the default case.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97638 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 0c875f7..7dd9f6e 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -360,8 +360,14 @@
return RValue::get(Builder.CreateCall(F, Depth));
}
case Builtin::BI__builtin_extract_return_addr: {
- // FIXME: There should be a target hook for this
- return RValue::get(EmitScalarExpr(E->getArg(0)));
+ Value *Address = EmitScalarExpr(E->getArg(0));
+ Value *Result = getTargetHooks().decodeReturnAddress(*this, Address);
+ return RValue::get(Result);
+ }
+ case Builtin::BI__builtin_frob_return_addr: {
+ Value *Address = EmitScalarExpr(E->getArg(0));
+ Value *Result = getTargetHooks().encodeReturnAddress(*this, Address);
+ return RValue::get(Result);
}
case Builtin::BI__builtin_unwind_init: {
Value *F = CGM.getIntrinsic(Intrinsic::eh_unwind_init, 0, 0);
@@ -391,7 +397,7 @@
// Otherwise, ask the codegen data what to do.
const llvm::IntegerType *Int64Ty = llvm::IntegerType::get(C, 64);
- if (CGM.getTargetCodeGenInfo().extendPointerWithSExt())
+ if (getTargetHooks().extendPointerWithSExt())
return RValue::get(Builder.CreateSExt(Result, Int64Ty, "extend.sext"));
else
return RValue::get(Builder.CreateZExt(Result, Int64Ty, "extend.zext"));