split-index-tc.ll
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; RUN: llc -verify-machineinstrs -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 }