LiveVariables::VarInfo& vi = LV->getVarInfo(MO.getReg());
vi.removeKill(MI);
}
+ unsigned Reg = MI->getOperand(0).getReg();
MI->eraseFromParent();
Changed = true;
+
+ // A REG_SEQUENCE may have been expanded into partial definitions.
+ // If this was the last one, mark Reg as implicitly defined.
+ if (TargetRegisterInfo::isVirtualRegister(Reg) && MRI->def_empty(Reg))
+ ImpDefRegs.insert(Reg);
continue;
}
}
exit:
ret void
}
+
+; PR10520 - REG_SEQUENCE with implicit-def operands.
+define arm_aapcs_vfpcc void @foo() nounwind align 2 {
+bb:
+ %tmp = shufflevector <2 x i64> undef, <2 x i64> undef, <1 x i32> <i32 1>
+ %tmp8 = bitcast <1 x i64> %tmp to <2 x float>
+ %tmp9 = shufflevector <2 x float> %tmp8, <2 x float> %tmp8, <4 x i32> <i32 1, i32 1, i32 1, i32 1>
+ %tmp10 = fmul <4 x float> undef, %tmp9
+ %tmp11 = fadd <4 x float> %tmp10, undef
+ %tmp12 = fadd <4 x float> undef, %tmp11
+ %tmp13 = bitcast <4 x float> %tmp12 to i128
+ %tmp14 = bitcast i128 %tmp13 to <4 x float>
+ %tmp15 = bitcast <4 x float> %tmp14 to i128
+ %tmp16 = bitcast i128 %tmp15 to <4 x float>
+ %tmp17 = bitcast <4 x float> %tmp16 to i128
+ %tmp18 = bitcast i128 %tmp17 to <4 x float>
+ %tmp19 = bitcast <4 x float> %tmp18 to i128
+ %tmp20 = bitcast i128 %tmp19 to <4 x float>
+ store <4 x float> %tmp20, <4 x float>* undef, align 16
+ ret void
+}