1; RUN: llc -verify-machineinstrs -mcpu=pwr7 < %s | FileCheck %s 2target datalayout = "E-m:e-i64:64-n32:64" 3target triple = "powerpc64-unknown-linux-gnu" 4 5%"class.llvm::MachineOperand" = type { i8, [3 x i8], i64, ptr, i64 } 6 7; Function Attrs: nounwind 8define void @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj() #0 align 2 { 9 10; If we were able to split out the indexing, the load with update should be 11; removed (resulting in a nearly-empty output). 12; CHECK-LABEL: @_ZN4llvm17ScheduleDAGInstrs14addPhysRegDepsEPNS_5SUnitEj 13; CHECK-NOT: lhzu 14 15entry: 16 %0 = load ptr, ptr undef, align 8 17 br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit, label %cond.false.i123 18 19cond.false.i123: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit 20 unreachable 21 22_ZNK4llvm14MachineOperand6getRegEv.exit: ; preds = %_ZN4llvm12MachineInstr10getOperandEj.exit 23 %IsDef.i = getelementptr inbounds %"class.llvm::MachineOperand", ptr %0, i64 undef, i32 1 24 %bf.load.i = load i24, ptr %IsDef.i, align 1 25 %1 = and i24 %bf.load.i, 128 26 br i1 undef, label %for.cond.cleanup, label %for.body.lr.ph 27 28for.body.lr.ph: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit 29 %2 = zext i24 %1 to i32 30 br i1 undef, label %cond.false.i134, label %_ZNK4llvm18MCRegAliasIteratordeEv.exit 31 32for.cond.cleanup: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit 33 br i1 undef, label %_ZNK4llvm14MachineOperand5isDefEv.exit, label %cond.false.i129 34 35cond.false.i129: ; preds = %for.cond.cleanup 36 unreachable 37 38_ZNK4llvm14MachineOperand5isDefEv.exit: ; preds = %for.cond.cleanup 39 br i1 undef, label %_ZNK4llvm14MachineOperand6getRegEv.exit247, label %cond.false.i244 40 41cond.false.i134: ; preds = %for.body.lr.ph 42 unreachable 43 44_ZNK4llvm18MCRegAliasIteratordeEv.exit: ; preds = %for.body.lr.ph 45 unreachable 46 47cond.false.i244: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit 48 unreachable 49 50_ZNK4llvm14MachineOperand6getRegEv.exit247: ; preds = %_ZNK4llvm14MachineOperand5isDefEv.exit 51 br i1 undef, label %if.then53, label %if.end55 52 53if.then53: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247 54 unreachable 55 56if.end55: ; preds = %_ZNK4llvm14MachineOperand6getRegEv.exit247 57 br i1 undef, label %_ZNK4llvm14MachineOperand6isDeadEv.exit262, label %cond.false.i257 58 59cond.false.i257: ; preds = %if.end55 60 unreachable 61 62_ZNK4llvm14MachineOperand6isDeadEv.exit262: ; preds = %if.end55 63 %bf.load.i259 = load i24, ptr %IsDef.i, align 1 64 br i1 undef, label %if.then57, label %if.else59 65 66if.then57: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262 67 unreachable 68 69if.else59: ; preds = %_ZNK4llvm14MachineOperand6isDeadEv.exit262 70 br i1 undef, label %if.end89, label %if.then62 71 72if.then62: ; preds = %if.else59 73 unreachable 74 75if.end89: ; preds = %if.else59 76 unreachable 77} 78 79attributes #0 = { nounwind } 80 81 82