Promote arguments of frameaddr / returnaddr builtins to i32 type, when needed.
This is needed for the platforms, where bitwidth of "int" is not 32 bits
(e.g. 16 on msp430).
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92176 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index a2328e4..866c587 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -340,12 +340,20 @@
return RValue::get(Address);
}
case Builtin::BI__builtin_return_address: {
+ Value *Depth = EmitScalarExpr(E->getArg(0));
+ Depth = Builder.CreateIntCast(Depth,
+ llvm::Type::getInt32Ty(VMContext),
+ false, "tmp");
Value *F = CGM.getIntrinsic(Intrinsic::returnaddress, 0, 0);
- return RValue::get(Builder.CreateCall(F, EmitScalarExpr(E->getArg(0))));
+ return RValue::get(Builder.CreateCall(F, Depth));
}
case Builtin::BI__builtin_frame_address: {
+ Value *Depth = EmitScalarExpr(E->getArg(0));
+ Depth = Builder.CreateIntCast(Depth,
+ llvm::Type::getInt32Ty(VMContext),
+ false, "tmp");
Value *F = CGM.getIntrinsic(Intrinsic::frameaddress, 0, 0);
- return RValue::get(Builder.CreateCall(F, EmitScalarExpr(E->getArg(0))));
+ return RValue::get(Builder.CreateCall(F, Depth));
}
case Builtin::BI__builtin_extract_return_addr: {
// FIXME: There should be a target hook for this