================
@@ -4782,6 +4782,30 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl
GD, unsigned BuiltinID,
Function *F = CGM.getIntrinsic(Intrinsic::frameaddress, AllocaInt8PtrTy);
return RValue::get(Builder.CreateCall(F, Depth));
}
+ case Builtin::BI__builtin_stack_address: {
+ IntegerType *SPRegType;
+ StringRef SPRegName;
+ switch (getTarget().getTriple().getArch()) {
+ case Triple::x86:
+ SPRegType = Int32Ty;
+ SPRegName = "esp";
+ break;
+ case Triple::x86_64:
+ SPRegType = Int64Ty;
+ SPRegName = "rsp";
+ break;
+ default:
+ llvm_unreachable("Intrinsic __builtin_stack_address is not supported for
"
+ "the target architecture");
+ }
----------------
philnik777 wrote:
You should probably make this a target-specific builtin. The compiler shouldn't
crash just because someone used an attribute on a platform where it's not
supported.
https://github.com/llvm/llvm-project/pull/121332
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