================
@@ -2550,6 +2550,11 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl
GD, unsigned BuiltinID,
&getTarget().getLongDoubleFormat() == &llvm::APFloat::IEEEquad())
BuiltinID = mutateLongDoubleBuiltin(BuiltinID);
+ // Mutate the printf builtin ID so that we use the same CodeGen path for
+ // HIP and OpenCL with AMDGPU targets.
+ if (getTarget().getTriple().isAMDGCN() && BuiltinID == AMDGPU::BIprintf)
+ BuiltinID = Builtin::BIprintf;
----------------
arsenm wrote:
I think all you need is to add the CustomTypeChecking attribute to the printf
definition, and then add language specific type checking on the string argument
https://github.com/llvm/llvm-project/pull/72556
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