return false;
}
+bool X86TargetLowering::shouldReduceLoadWidth(SDNode *Load,
+ ISD::LoadExtType ExtTy,
+ EVT NewVT) const {
+ // "ELF Handling for Thread-Local Storage" specifies that R_X86_64_GOTTPOFF
+ // relocation target a movq or addq instruction: don't let the load shrink.
+ SDValue BasePtr = cast<LoadSDNode>(Load)->getBasePtr();
+ if (BasePtr.getOpcode() == X86ISD::WrapperRIP)
+ if (const auto *GA = dyn_cast<GlobalAddressSDNode>(BasePtr.getOperand(0)))
+ return GA->getTargetFlags() != X86II::MO_GOTTPOFF;
+ return true;
+}
+
/// \brief Returns true if it is beneficial to convert a load of a constant
/// to just the constant itself.
bool X86TargetLowering::shouldConvertConstantLoadToIntImm(const APInt &Imm,
return !X86ScalarSSEf64 || VT == MVT::f80;
}
+ /// Return true if we believe it is correct and profitable to reduce the
+ /// load node to a smaller type.
+ bool shouldReduceLoadWidth(SDNode *Load, ISD::LoadExtType ExtTy,
+ EVT NewVT) const override;
+
const X86Subtarget* getSubtarget() const {
return Subtarget;
}
; DARWIN: _internal_ie@TLVP
}
+define i32 @PR22083() {
+entry:
+ ret i32 ptrtoint (i32* @external_ie to i32)
+ ; X64-LABEL: PR22083:
+ ; X64: movq external_ie@GOTTPOFF(%rip), %rax
+ ; X64_PIC-LABEL: PR22083:
+ ; X64_PIC: movq external_ie@GOTTPOFF(%rip), %rax
+}
; ----- localexec specified -----