; RUN: llc -mcpu=pwr7 < %s | FileCheck %s target datalayout = "E-m:e-i64:64-n32:64" target triple = "powerpc64-unknown-linux-gnu" %"class.llvm::MachineOperand" = type { i8, [3 x i8], i64, i64*, i64 } ; Function Attrs: nounwind define void @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj() #0 align 2 { ; If we were able to split out the indexing, the load with update should be ; removed (resulting in a nearly-empty output). ; CHECK-LABEL: @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj ; CHECK-NOT: lhzu entry: %0 = load %"class.llvm::MachineOperand"*, %"class.llvm::MachineOperand"** undef, align 8 br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit, label %cond.false.i123 cond.false.i123: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit unreachable _ZNK4llvm14MachineOperand6getRegEv.exit: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit %IsDef.i = getelementptr inbounds %"class.llvm::MachineOperand", %"class.llvm::MachineOperand"* %0, i64 undef, i32 1 %1 = bitcast [3 x i8]* %IsDef.i to i24* %bf.load.i = load i24, i24* %1, align 1 %2 = and i24 %bf.load.i, 128 br i1 undef, label %for.cond.cleanup, label %for.body.lr.ph for.body.lr.ph: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit %3 = zext i24 %2 to i32 br i1 undef, label %cond.false.i134, label %_ZNK4llvm18MCRegAliasIteratordeEv.exit for.cond.cleanup: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit br i1 undef, label %_ZNK4llvm14MachineOperand5isDefEv.exit, label %cond.false.i129 cond.false.i129: ; preds = %for.cond.cleanup unreachable _ZNK4llvm14MachineOperand5isDefEv.exit: ; preds = %for.cond.cleanup br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit247, label %cond.false.i244 cond.false.i134: ; preds = %for.body.lr.ph unreachable _ZNK4llvm18MCRegAliasIteratordeEv.exit: ; preds = %for.body.lr.ph unreachable cond.false.i244: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit unreachable _ZNK4llvm14MachineOperand6getRegEv.exit247: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit br i1 undef, label %if.then53, label %if.end55 if.then53: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247 unreachable if.end55: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247 br i1 undef, label %_ZNK4llvm14MachineOperand6isDeadEv.exit262, label %cond.false.i257 cond.false.i257: ; preds = %if.end55 unreachable _ZNK4llvm14MachineOperand6isDeadEv.exit262: ; preds = %if.end55 %bf.load.i259 = load i24, i24* %1, align 1 br i1 undef, label %if.then57, label %if.else59 if.then57: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262 unreachable if.else59: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262 br i1 undef, label %if.end89, label %if.then62 if.then62: ; preds = %if.else59 unreachable if.end89: ; preds = %if.else59 unreachable } attributes #0 = { nounwind }