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llvm-6502/test/CodeGen/PowerPC/pr15031.ll
Bill Schmidt 5ff776bfde This patch addresses bug 15031. 
The common code in the post-RA scheduler to break anti-dependencies on the
critical path contained a flaw.  In the reported case, an anti-dependency
between the overlapping registers %X4 and %R4 exists:

	%X29<def> = OR8 %X4, %X4
	%R4<def>, %X3<def,dead,tied3> = LBZU 1, %X3<kill,tied1>

The unpatched code breaks the dependency by replacing %R4 and its uses
with %R3, the first register on the available list.  However, %R3 and
%X3 overlap, so this creates two overlapping definitions on the same
instruction.

The fix is straightforward, preventing selection of a register that
overlaps any other defined register on the same instruction.

The test case is reduced from the bug report, and verifies that we no
longer produce "lbzu 3, 1(3)" when breaking this anti-dependency.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173706 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-28 18:36:58 +00:00

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; RUN: llc -mcpu=pwr7 -O3 < %s | FileCheck %s
; Test case derived from bug report 15031. The code in the post-RA
; scheduler to break critical anti-dependencies was failing to check
; whether an instruction had more than one definition, and ensuring
; that any additional definitions interfered with the choice of a new
; register. As a result, this test originally caused this to be
; generated:
;
; lbzu 3, 1(3)
;
; which is illegal, since it requires register 3 to both receive the
; loaded value and receive the updated address. With the fix to bug
; 15031, a different register is chosen to receive the loaded value.
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
%"class.llvm::MachineMemOperand" = type { %"struct.llvm::MachinePointerInfo", i64, i32, %"class.llvm::MDNode"*, %"class.llvm::MDNode"* }
%"struct.llvm::MachinePointerInfo" = type { %"class.llvm::Value"*, i64 }
%"class.llvm::Value" = type { i32 (...)**, i8, i8, i16, %"class.llvm::Type"*, %"class.llvm::Use"*, %"class.llvm::StringMapEntry"* }
%"class.llvm::Type" = type { %"class.llvm::LLVMContext"*, i32, i32, %"class.llvm::Type"** }
%"class.llvm::LLVMContext" = type { %"class.llvm::LLVMContextImpl"* }
%"class.llvm::LLVMContextImpl" = type opaque
%"class.llvm::Use" = type { %"class.llvm::Value"*, %"class.llvm::Use"*, %"class.llvm::PointerIntPair" }
%"class.llvm::PointerIntPair" = type { i64 }
%"class.llvm::StringMapEntry" = type opaque
%"class.llvm::MDNode" = type { %"class.llvm::Value", %"class.llvm::FoldingSetImpl::Node", i32, i32 }
%"class.llvm::FoldingSetImpl::Node" = type { i8* }
%"class.llvm::MachineInstr" = type { %"class.llvm::ilist_node", %"class.llvm::MCInstrDesc"*, %"class.llvm::MachineBasicBlock"*, %"class.llvm::MachineOperand"*, i32, %"class.llvm::ArrayRecycler<llvm::MachineOperand, 8>::Capacity", i8, i8, i8, %"class.llvm::MachineMemOperand"**, %"class.llvm::DebugLoc" }
%"class.llvm::ilist_node" = type { %"class.llvm::ilist_half_node", %"class.llvm::MachineInstr"* }
%"class.llvm::ilist_half_node" = type { %"class.llvm::MachineInstr"* }
%"class.llvm::MCInstrDesc" = type { i16, i16, i16, i16, i16, i32, i64, i16*, i16*, %"class.llvm::MCOperandInfo"* }
%"class.llvm::MCOperandInfo" = type { i16, i8, i8, i32 }
%"class.llvm::MachineBasicBlock" = type { %"class.llvm::ilist_node.0", %"struct.llvm::ilist", %"class.llvm::BasicBlock"*, i32, %"class.llvm::MachineFunction"*, %"class.std::vector.163", %"class.std::vector.163", %"class.std::vector.123", %"class.std::vector.123", i32, i8, i8 }
%"class.llvm::ilist_node.0" = type { %"class.llvm::ilist_half_node.1", %"class.llvm::MachineBasicBlock"* }
%"class.llvm::ilist_half_node.1" = type { %"class.llvm::MachineBasicBlock"* }
%"struct.llvm::ilist" = type { %"class.llvm::iplist" }
%"class.llvm::iplist" = type { %"struct.llvm::ilist_traits", %"class.llvm::MachineInstr"* }
%"struct.llvm::ilist_traits" = type { %"class.llvm::ilist_half_node", %"class.llvm::MachineBasicBlock"* }
%"class.llvm::BasicBlock" = type { %"class.llvm::Value", %"class.llvm::ilist_node.2", %"class.llvm::iplist.4", %"class.llvm::Function"* }
%"class.llvm::ilist_node.2" = type { %"class.llvm::ilist_half_node.3", %"class.llvm::BasicBlock"* }
%"class.llvm::ilist_half_node.3" = type { %"class.llvm::BasicBlock"* }
%"class.llvm::iplist.4" = type { %"struct.llvm::ilist_traits.5", %"class.llvm::Instruction"* }
%"struct.llvm::ilist_traits.5" = type { %"class.llvm::ilist_half_node.10" }
%"class.llvm::ilist_half_node.10" = type { %"class.llvm::Instruction"* }
%"class.llvm::Instruction" = type { %"class.llvm::User", %"class.llvm::ilist_node.193", %"class.llvm::BasicBlock"*, %"class.llvm::DebugLoc" }
%"class.llvm::User" = type { %"class.llvm::Value", %"class.llvm::Use"*, i32 }
%"class.llvm::ilist_node.193" = type { %"class.llvm::ilist_half_node.10", %"class.llvm::Instruction"* }
%"class.llvm::DebugLoc" = type { i32, i32 }
%"class.llvm::Function" = type { %"class.llvm::GlobalValue", %"class.llvm::ilist_node.27", %"class.llvm::iplist.47", %"class.llvm::iplist.54", %"class.llvm::ValueSymbolTable"*, %"class.llvm::AttributeSet" }
%"class.llvm::GlobalValue" = type { [52 x i8], [4 x i8], %"class.llvm::Module"*, %"class.std::basic_string" }
%"class.llvm::Module" = type { %"class.llvm::LLVMContext"*, %"class.llvm::iplist.11", %"class.llvm::iplist.20", %"class.llvm::iplist.29", %"struct.llvm::ilist.38", %"class.std::basic_string", %"class.llvm::ValueSymbolTable"*, %"class.llvm::OwningPtr", %"class.std::basic_string", %"class.std::basic_string", %"class.std::basic_string", i8* }
%"class.llvm::iplist.11" = type { %"struct.llvm::ilist_traits.12", %"class.llvm::GlobalVariable"* }
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%"class.llvm::ilist_node.18" = type { %"class.llvm::ilist_half_node.19", %"class.llvm::GlobalVariable"* }
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%"class.llvm::GlobalVariable" = type { %"class.llvm::GlobalValue", %"class.llvm::ilist_node.18", i8 }
%"class.llvm::iplist.20" = type { %"struct.llvm::ilist_traits.21", %"class.llvm::Function"* }
%"struct.llvm::ilist_traits.21" = type { %"class.llvm::ilist_node.27" }
%"class.llvm::ilist_node.27" = type { %"class.llvm::ilist_half_node.28", %"class.llvm::Function"* }
%"class.llvm::ilist_half_node.28" = type { %"class.llvm::Function"* }
%"class.llvm::iplist.29" = type { %"struct.llvm::ilist_traits.30", %"class.llvm::GlobalAlias"* }
%"struct.llvm::ilist_traits.30" = type { %"class.llvm::ilist_node.36" }
%"class.llvm::ilist_node.36" = type { %"class.llvm::ilist_half_node.37", %"class.llvm::GlobalAlias"* }
%"class.llvm::ilist_half_node.37" = type { %"class.llvm::GlobalAlias"* }
%"class.llvm::GlobalAlias" = type { %"class.llvm::GlobalValue", %"class.llvm::ilist_node.36" }
%"struct.llvm::ilist.38" = type { %"class.llvm::iplist.39" }
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%"class.llvm::ilist_half_node.46" = type { %"class.llvm::NamedMDNode"* }
%"class.llvm::NamedMDNode" = type { %"class.llvm::ilist_node.45", %"class.std::basic_string", %"class.llvm::Module"*, i8* }
%"class.std::basic_string" = type { %"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" }
%"struct.std::basic_string<char, std::char_traits<char>, std::allocator<char> >::_Alloc_hider" = type { i8* }
%"class.llvm::ValueSymbolTable" = type opaque
%"class.llvm::OwningPtr" = type { %"class.llvm::GVMaterializer"* }
%"class.llvm::GVMaterializer" = type opaque
%"class.llvm::iplist.47" = type { %"struct.llvm::ilist_traits.48", %"class.llvm::BasicBlock"* }
%"struct.llvm::ilist_traits.48" = type { %"class.llvm::ilist_half_node.3" }
%"class.llvm::iplist.54" = type { %"struct.llvm::ilist_traits.55", %"class.llvm::Argument"* }
%"struct.llvm::ilist_traits.55" = type { %"class.llvm::ilist_half_node.61" }
%"class.llvm::ilist_half_node.61" = type { %"class.llvm::Argument"* }
%"class.llvm::Argument" = type { %"class.llvm::Value", %"class.llvm::ilist_node.192", %"class.llvm::Function"* }
%"class.llvm::ilist_node.192" = type { %"class.llvm::ilist_half_node.61", %"class.llvm::Argument"* }
%"class.llvm::AttributeSet" = type { %"class.llvm::AttributeSetImpl"* }
%"class.llvm::AttributeSetImpl" = type opaque
%"class.llvm::MachineFunction" = type { %"class.llvm::Function"*, %"class.llvm::TargetMachine"*, %"class.llvm::MCContext"*, %"class.llvm::MachineModuleInfo"*, %"class.llvm::GCModuleInfo"*, %"class.llvm::MachineRegisterInfo"*, %"struct.llvm::MachineFunctionInfo"*, %"class.llvm::MachineFrameInfo"*, %"class.llvm::MachineConstantPool"*, %"class.llvm::MachineJumpTableInfo"*, %"class.std::vector.163", %"class.llvm::BumpPtrAllocator", %"class.llvm::Recycler", %"class.llvm::ArrayRecycler", %"class.llvm::Recycler.180", %"struct.llvm::ilist.181", i32, i32, i8 }
%"class.llvm::TargetMachine" = type { i32 (...)**, %"class.llvm::Target"*, %"class.std::basic_string", %"class.std::basic_string", %"class.std::basic_string", %"class.llvm::MCCodeGenInfo"*, %"class.llvm::MCAsmInfo"*, i8, %"class.llvm::TargetOptions" }
%"class.llvm::Target" = type opaque
%"class.llvm::MCCodeGenInfo" = type opaque
%"class.llvm::MCAsmInfo" = type opaque
%"class.llvm::TargetOptions" = type { [2 x i8], i32, i8, i32, i8, %"class.std::basic_string", i32, i32 }
%"class.llvm::MCContext" = type { %"class.llvm::SourceMgr"*, %"class.llvm::MCAsmInfo"*, %"class.llvm::MCRegisterInfo"*, %"class.llvm::MCObjectFileInfo"*, %"class.llvm::BumpPtrAllocator", %"class.llvm::StringMap", %"class.llvm::StringMap.62", i32, %"class.llvm::DenseMap.63", i8*, %"class.llvm::raw_ostream"*, i8, %"class.std::basic_string", %"class.std::basic_string", %"class.std::vector", %"class.std::vector.70", %"class.llvm::MCDwarfLoc", i8, i8, i32, %"class.llvm::MCSection"*, %"class.llvm::MCSymbol"*, %"class.llvm::MCSymbol"*, %"class.std::vector.75", %"class.llvm::StringRef", %"class.llvm::StringRef", i8, %"class.llvm::DenseMap.80", %"class.std::vector.84", i8*, i8*, i8*, i8 }
%"class.llvm::SourceMgr" = type opaque
%"class.llvm::MCRegisterInfo" = type { %"struct.llvm::MCRegisterDesc"*, i32, i32, i32, %"class.llvm::MCRegisterClass"*, i32, i32, [2 x i16]*, i16*, i8*, i16*, i32, i16*, i32, i32, i32, i32, %"struct.llvm::MCRegisterInfo::DwarfLLVMRegPair"*, %"struct.llvm::MCRegisterInfo::DwarfLLVMRegPair"*, %"struct.llvm::MCRegisterInfo::DwarfLLVMRegPair"*, %"struct.llvm::MCRegisterInfo::DwarfLLVMRegPair"*, %"class.llvm::DenseMap" }
%"struct.llvm::MCRegisterDesc" = type { i32, i32, i32, i32, i32, i32 }
%"class.llvm::MCRegisterClass" = type { i8*, i16*, i8*, i16, i16, i16, i16, i16, i8, i8 }
%"struct.llvm::MCRegisterInfo::DwarfLLVMRegPair" = type { i32, i32 }
%"class.llvm::DenseMap" = type { %"struct.std::pair"*, i32, i32, i32 }
%"struct.std::pair" = type { i32, i32 }
%"class.llvm::MCObjectFileInfo" = type opaque
%"class.llvm::BumpPtrAllocator" = type { i64, i64, %"class.llvm::SlabAllocator"*, %"class.llvm::MemSlab"*, i8*, i8*, i64 }
%"class.llvm::SlabAllocator" = type { i32 (...)** }
%"class.llvm::MemSlab" = type { i64, %"class.llvm::MemSlab"* }
%"class.llvm::StringMap" = type { %"class.llvm::StringMapImpl", %"class.llvm::BumpPtrAllocator"* }
%"class.llvm::StringMapImpl" = type { %"class.llvm::StringMapEntryBase"**, i32, i32, i32, i32 }
%"class.llvm::StringMapEntryBase" = type { i32 }
%"class.llvm::StringMap.62" = type { %"class.llvm::StringMapImpl", %"class.llvm::BumpPtrAllocator"* }
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%"struct.std::pair.66" = type opaque
%"class.llvm::raw_ostream" = type { i32 (...)**, i8*, i8*, i8*, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<llvm::MCDwarfFile *, std::allocator<llvm::MCDwarfFile *> >::_Vector_impl" }
%"struct.std::_Vector_base<llvm::MCDwarfFile *, std::allocator<llvm::MCDwarfFile *> >::_Vector_impl" = type { %"class.llvm::MCDwarfFile"**, %"class.llvm::MCDwarfFile"**, %"class.llvm::MCDwarfFile"** }
%"class.llvm::MCDwarfFile" = type { %"class.llvm::StringRef", i32 }
%"class.llvm::StringRef" = type { i8*, i64 }
%"class.std::vector.70" = type { %"struct.std::_Vector_base.71" }
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%"struct.std::_Vector_base<llvm::StringRef, std::allocator<llvm::StringRef> >::_Vector_impl" = type { %"class.llvm::StringRef"*, %"class.llvm::StringRef"*, %"class.llvm::StringRef"* }
%"class.llvm::MCDwarfLoc" = type { i32, i32, i32, i32, i32, i32 }
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%"class.llvm::MCExpr" = type opaque
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%"struct.std::_Vector_base<const llvm::MCGenDwarfLabelEntry *, std::allocator<const llvm::MCGenDwarfLabelEntry *> >::_Vector_impl" = type { %"class.llvm::MCGenDwarfLabelEntry"**, %"class.llvm::MCGenDwarfLabelEntry"**, %"class.llvm::MCGenDwarfLabelEntry"** }
%"class.llvm::MCGenDwarfLabelEntry" = type { %"class.llvm::StringRef", i32, i32, %"class.llvm::MCSymbol"* }
%"class.llvm::DenseMap.80" = type { %"struct.std::pair.83"*, i32, i32, i32 }
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%"struct.std::_Vector_base.216" = type { %"struct.std::_Vector_base<llvm::MCLineEntry, std::allocator<llvm::MCLineEntry> >::_Vector_impl" }
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%"class.llvm::MCLineEntry" = type { %"class.llvm::MCDwarfLoc", %"class.llvm::MCSymbol"* }
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%"struct.std::_Vector_base<const llvm::MCSection *, std::allocator<const llvm::MCSection *> >::_Vector_impl" = type { %"class.llvm::MCSection"**, %"class.llvm::MCSection"**, %"class.llvm::MCSection"** }
%"class.llvm::MachineModuleInfo" = type { %"class.llvm::ImmutablePass", %"class.llvm::MCContext", %"class.llvm::Module"*, %"class.llvm::MachineModuleInfoImpl"*, %"class.std::vector.95", i32, %"class.std::vector.100", %"class.llvm::DenseMap.110", %"class.llvm::DenseMap.114", i32, %"class.std::vector.118", %"class.std::vector.123", %"class.std::vector.123", %"class.std::vector.128", %"class.llvm::SmallPtrSet", %"class.llvm::MMIAddrLabelMap"*, i8, i8, i8, i8, %"class.llvm::SmallVector.133" }
%"class.llvm::ImmutablePass" = type { %"class.llvm::ModulePass" }
%"class.llvm::ModulePass" = type { %"class.llvm::Pass" }
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%"class.std::vector.95" = type { %"struct.std::_Vector_base.96" }
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%"class.llvm::MachineMove" = type { %"class.llvm::MCSymbol"*, %"class.llvm::MachineLocation", %"class.llvm::MachineLocation" }
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%"struct.std::_Vector_base<const llvm::GlobalVariable *, std::allocator<const llvm::GlobalVariable *> >::_Vector_impl" = type { %"class.llvm::GlobalVariable"**, %"class.llvm::GlobalVariable"**, %"class.llvm::GlobalVariable"** }
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%"class.llvm::SmallPtrSet" = type { %"class.llvm::SmallPtrSetImpl", [33 x i8*] }
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%"class.llvm::MMIAddrLabelMap" = type opaque
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%"class.llvm::SmallVectorTemplateCommon.136" = type { %"class.llvm::SmallVectorBase", %"struct.llvm::AlignedCharArrayUnion.137" }
%"struct.llvm::AlignedCharArrayUnion.137" = type { %"struct.llvm::AlignedCharArray.138" }
%"struct.llvm::AlignedCharArray.138" = type { [40 x i8] }
%"struct.llvm::SmallVectorStorage.139" = type { [3 x %"struct.llvm::AlignedCharArrayUnion.137"] }
%"class.llvm::GCModuleInfo" = type opaque
%"class.llvm::MachineRegisterInfo" = type { %"class.llvm::TargetRegisterInfo"*, i8, i8, %"class.llvm::IndexedMap", %"class.llvm::IndexedMap.146", %"class.llvm::MachineOperand"**, %"class.llvm::BitVector", %"class.llvm::BitVector", %"class.llvm::BitVector", %"class.std::vector.147", %"class.std::vector.123" }
%"class.llvm::TargetRegisterInfo" = type { i32 (...)**, %"class.llvm::MCRegisterInfo", %"struct.llvm::TargetRegisterInfoDesc"*, i8**, i32*, %"class.llvm::TargetRegisterClass"**, %"class.llvm::TargetRegisterClass"** }
%"struct.llvm::TargetRegisterInfoDesc" = type { i32, i8 }
%"class.llvm::TargetRegisterClass" = type { %"class.llvm::MCRegisterClass"*, i32*, i32*, i16*, %"class.llvm::TargetRegisterClass"**, void (%"class.llvm::ArrayRef"*, %"class.llvm::MachineFunction"*)* }
%"class.llvm::ArrayRef" = type { i16*, i64 }
%"class.llvm::IndexedMap" = type { %"class.std::vector.140", %"struct.std::pair.145", %"struct.llvm::VirtReg2IndexFunctor" }
%"class.std::vector.140" = type { %"struct.std::_Vector_base.141" }
%"struct.std::_Vector_base.141" = type { %"struct.std::_Vector_base<std::pair<const llvm::TargetRegisterClass *, llvm::MachineOperand *>, std::allocator<std::pair<const llvm::TargetRegisterClass *, llvm::MachineOperand *> > >::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<const llvm::TargetRegisterClass *, llvm::MachineOperand *>, std::allocator<std::pair<const llvm::TargetRegisterClass *, llvm::MachineOperand *> > >::_Vector_impl" = type { %"struct.std::pair.145"*, %"struct.std::pair.145"*, %"struct.std::pair.145"* }
%"struct.std::pair.145" = type { %"class.llvm::TargetRegisterClass"*, %"class.llvm::MachineOperand"* }
%"class.llvm::MachineOperand" = type { i8, [3 x i8], %union.anon, %"class.llvm::MachineInstr"*, %union.anon.188 }
%union.anon = type { i32 }
%union.anon.188 = type { %struct.anon }
%struct.anon = type { %"class.llvm::MachineOperand"*, %"class.llvm::MachineOperand"* }
%"struct.llvm::VirtReg2IndexFunctor" = type { i8 }
%"class.llvm::IndexedMap.146" = type { %"class.std::vector.147", %"struct.std::pair.152", %"struct.llvm::VirtReg2IndexFunctor" }
%"class.std::vector.147" = type { %"struct.std::_Vector_base.148" }
%"struct.std::_Vector_base.148" = type { %"struct.std::_Vector_base<std::pair<unsigned int, unsigned int>, std::allocator<std::pair<unsigned int, unsigned int> > >::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<unsigned int, unsigned int>, std::allocator<std::pair<unsigned int, unsigned int> > >::_Vector_impl" = type { %"struct.std::pair.152"*, %"struct.std::pair.152"*, %"struct.std::pair.152"* }
%"struct.std::pair.152" = type { i32, i32 }
%"class.llvm::BitVector" = type { i64*, i32, i32 }
%"struct.llvm::MachineFunctionInfo" = type { i32 (...)** }
%"class.llvm::MachineFrameInfo" = type opaque
%"class.llvm::MachineConstantPool" = type { %"class.llvm::DataLayout"*, i32, %"class.std::vector.153", %"class.llvm::DenseSet" }
%"class.llvm::DataLayout" = type opaque
%"class.std::vector.153" = type { %"struct.std::_Vector_base.154" }
%"struct.std::_Vector_base.154" = type { %"struct.std::_Vector_base<llvm::MachineConstantPoolEntry, std::allocator<llvm::MachineConstantPoolEntry> >::_Vector_impl" }
%"struct.std::_Vector_base<llvm::MachineConstantPoolEntry, std::allocator<llvm::MachineConstantPoolEntry> >::_Vector_impl" = type { %"class.llvm::MachineConstantPoolEntry"*, %"class.llvm::MachineConstantPoolEntry"*, %"class.llvm::MachineConstantPoolEntry"* }
%"class.llvm::MachineConstantPoolEntry" = type { %union.anon.158, i32 }
%union.anon.158 = type { %"class.llvm::Constant"* }
%"class.llvm::Constant" = type { %"class.llvm::User" }
%"class.llvm::DenseSet" = type { %"class.llvm::DenseMap.159" }
%"class.llvm::DenseMap.159" = type { %"struct.std::pair.162"*, i32, i32, i32 }
%"struct.std::pair.162" = type { %"class.llvm::MachineConstantPoolValue"*, i8 }
%"class.llvm::MachineConstantPoolValue" = type { i32 (...)**, %"class.llvm::Type"* }
%"class.llvm::MachineJumpTableInfo" = type opaque
%"class.std::vector.163" = type { %"struct.std::_Vector_base.164" }
%"struct.std::_Vector_base.164" = type { %"struct.std::_Vector_base<llvm::MachineBasicBlock *, std::allocator<llvm::MachineBasicBlock *> >::_Vector_impl" }
%"struct.std::_Vector_base<llvm::MachineBasicBlock *, std::allocator<llvm::MachineBasicBlock *> >::_Vector_impl" = type { %"class.llvm::MachineBasicBlock"**, %"class.llvm::MachineBasicBlock"**, %"class.llvm::MachineBasicBlock"** }
%"class.llvm::Recycler" = type { %"class.llvm::iplist.168" }
%"class.llvm::iplist.168" = type { %"struct.llvm::ilist_traits.169", %"struct.llvm::RecyclerStruct"* }
%"struct.llvm::ilist_traits.169" = type { %"struct.llvm::RecyclerStruct" }
%"struct.llvm::RecyclerStruct" = type { %"struct.llvm::RecyclerStruct"*, %"struct.llvm::RecyclerStruct"* }
%"class.llvm::ArrayRecycler" = type { %"class.llvm::SmallVector.174" }
%"class.llvm::SmallVector.174" = type { %"class.llvm::SmallVectorImpl.175", %"struct.llvm::SmallVectorStorage.179" }
%"class.llvm::SmallVectorImpl.175" = type { %"class.llvm::SmallVectorTemplateBase.176" }
%"class.llvm::SmallVectorTemplateBase.176" = type { %"class.llvm::SmallVectorTemplateCommon.177" }
%"class.llvm::SmallVectorTemplateCommon.177" = type { %"class.llvm::SmallVectorBase", %"struct.llvm::AlignedCharArrayUnion.178" }
%"struct.llvm::AlignedCharArrayUnion.178" = type { %"struct.llvm::AlignedCharArray" }
%"struct.llvm::SmallVectorStorage.179" = type { [7 x %"struct.llvm::AlignedCharArrayUnion.178"] }
%"class.llvm::Recycler.180" = type { %"class.llvm::iplist.168" }
%"struct.llvm::ilist.181" = type { %"class.llvm::iplist.182" }
%"class.llvm::iplist.182" = type { %"struct.llvm::ilist_traits.183", %"class.llvm::MachineBasicBlock"* }
%"struct.llvm::ilist_traits.183" = type { %"class.llvm::ilist_half_node.1" }
%"class.llvm::ArrayRecycler<llvm::MachineOperand, 8>::Capacity" = type { i8 }
%"class.llvm::ConstantInt" = type { %"class.llvm::Constant", %"class.llvm::APInt" }
%"class.llvm::APInt" = type { i32, %union.anon.189 }
%union.anon.189 = type { i64 }
%"class.llvm::ConstantFP" = type { %"class.llvm::Constant", %"class.llvm::APFloat" }
%"class.llvm::APFloat" = type { %"struct.llvm::fltSemantics"*, %"union.llvm::APFloat::Significand", i16, i8 }
%"struct.llvm::fltSemantics" = type opaque
%"union.llvm::APFloat::Significand" = type { i64 }
%"class.llvm::BlockAddress" = type { %"class.llvm::Constant" }
%"class.llvm::hash_code" = type { i64 }
%"struct.llvm::hashing::detail::hash_combine_recursive_helper" = type { [64 x i8], %"struct.llvm::hashing::detail::hash_state", i64 }
%"struct.llvm::hashing::detail::hash_state" = type { i64, i64, i64, i64, i64, i64, i64, i64 }
%"class.llvm::PrintReg" = type { %"class.llvm::TargetRegisterInfo"*, i32, i32 }
%"class.llvm::PseudoSourceValue" = type { %"class.llvm::Value" }
%"class.llvm::FoldingSetNodeID" = type { %"class.llvm::SmallVector.194" }
%"class.llvm::SmallVector.194" = type { [28 x i8], %"struct.llvm::SmallVectorStorage.200" }
%"struct.llvm::SmallVectorStorage.200" = type { [31 x %"struct.llvm::AlignedCharArrayUnion.198"] }
%"struct.llvm::ArrayRecycler<llvm::MachineOperand, 8>::FreeList" = type { %"struct.llvm::ArrayRecycler<llvm::MachineOperand, 8>::FreeList"* }
%"class.llvm::ilist_iterator.202" = type { %"class.llvm::MachineInstr"* }
%"class.llvm::TargetInstrInfo" = type { i32 (...)**, [28 x i8], i32, i32 }
%"struct.std::pair.203" = type { i8, i8 }
%"class.llvm::SmallVectorImpl.195" = type { %"class.llvm::SmallVectorTemplateBase.196" }
%"class.llvm::SmallVectorTemplateBase.196" = type { %"class.llvm::SmallVectorTemplateCommon.197" }
%"class.llvm::SmallVectorTemplateCommon.197" = type { %"class.llvm::SmallVectorBase", %"struct.llvm::AlignedCharArrayUnion.198" }
%"class.llvm::AliasAnalysis" = type { i32 (...)**, %"class.llvm::DataLayout"*, %"class.llvm::TargetLibraryInfo"*, %"class.llvm::AliasAnalysis"* }
%"class.llvm::TargetLibraryInfo" = type opaque
%"struct.llvm::AliasAnalysis::Location" = type { %"class.llvm::Value"*, i64, %"class.llvm::MDNode"* }
%"class.llvm::DIVariable" = type { %"class.llvm::DIDescriptor" }
%"class.llvm::DIDescriptor" = type { %"class.llvm::MDNode"* }
%"class.llvm::DIScope" = type { %"class.llvm::DIDescriptor" }
%"class.llvm::ArrayRef.208" = type { i32*, i64 }
%"class.llvm::SmallVector.209" = type { %"class.llvm::SmallVectorImpl.210", %"struct.llvm::SmallVectorStorage.214" }
%"class.llvm::SmallVectorImpl.210" = type { %"class.llvm::SmallVectorTemplateBase.211" }
%"class.llvm::SmallVectorTemplateBase.211" = type { %"class.llvm::SmallVectorTemplateCommon.212" }
%"class.llvm::SmallVectorTemplateCommon.212" = type { %"class.llvm::SmallVectorBase", %"struct.llvm::AlignedCharArrayUnion.213" }
%"struct.llvm::AlignedCharArrayUnion.213" = type { %"struct.llvm::AlignedCharArray" }
%"struct.llvm::SmallVectorStorage.214" = type { [7 x %"struct.llvm::AlignedCharArrayUnion.213"] }
%"class.llvm::Twine" = type { %"union.llvm::Twine::Child", %"union.llvm::Twine::Child", i8, i8 }
%"union.llvm::Twine::Child" = type { %"class.llvm::Twine"* }
%"struct.std::random_access_iterator_tag" = type { i8 }
declare void @_ZN4llvm19MachineRegisterInfo27removeRegOperandFromUseListEPNS_14MachineOperandE(%"class.llvm::MachineRegisterInfo"*, %"class.llvm::MachineOperand"*)
declare void @_ZN4llvm19MachineRegisterInfo22addRegOperandToUseListEPNS_14MachineOperandE(%"class.llvm::MachineRegisterInfo"*, %"class.llvm::MachineOperand"*)
declare zeroext i32 @_ZNK4llvm14MCRegisterInfo9getSubRegEjj(%"class.llvm::MCRegisterInfo"*, i32 zeroext, i32 zeroext)
define void @_ZN4llvm14MachineOperand12substPhysRegEjRKNS_18TargetRegisterInfoE(%"class.llvm::MachineOperand"* %this, i32 zeroext %Reg, %"class.llvm::TargetRegisterInfo"* %TRI) align 2 {
entry:
%SubReg_TargetFlags.i = getelementptr inbounds %"class.llvm::MachineOperand"* %this, i64 0, i32 1
%0 = bitcast [3 x i8]* %SubReg_TargetFlags.i to i24*
%bf.load.i = load i24* %0, align 1
%bf.lshr.i = lshr i24 %bf.load.i, 12
%tobool = icmp eq i24 %bf.lshr.i, 0
br i1 %tobool, label %if.end, label %if.then
if.then: ; preds = %entry
%bf.cast.i = zext i24 %bf.lshr.i to i32
%add.ptr = getelementptr inbounds %"class.llvm::TargetRegisterInfo"* %TRI, i64 0, i32 1
%call3 = tail call zeroext i32 @_ZNK4llvm14MCRegisterInfo9getSubRegEjj(%"class.llvm::MCRegisterInfo"* %add.ptr, i32 zeroext %Reg, i32 zeroext %bf.cast.i)
%bf.load.i10 = load i24* %0, align 1
%bf.clear.i = and i24 %bf.load.i10, 4095
store i24 %bf.clear.i, i24* %0, align 1
br label %if.end
if.end: ; preds = %entry, %if.then
%Reg.addr.0 = phi i32 [ %call3, %if.then ], [ %Reg, %entry ]
%RegNo.i.i = getelementptr inbounds %"class.llvm::MachineOperand"* %this, i64 0, i32 2, i32 0
%1 = load i32* %RegNo.i.i, align 4, !tbaa !0
%cmp.i = icmp eq i32 %1, %Reg.addr.0
br i1 %cmp.i, label %_ZN4llvm14MachineOperand6setRegEj.exit, label %if.end.i
if.end.i: ; preds = %if.end
%ParentMI.i.i = getelementptr inbounds %"class.llvm::MachineOperand"* %this, i64 0, i32 3
%2 = load %"class.llvm::MachineInstr"** %ParentMI.i.i, align 8, !tbaa !3
%tobool.i = icmp eq %"class.llvm::MachineInstr"* %2, null
br i1 %tobool.i, label %if.end13.i, label %if.then3.i
if.then3.i: ; preds = %if.end.i
%Parent.i.i = getelementptr inbounds %"class.llvm::MachineInstr"* %2, i64 0, i32 2
%3 = load %"class.llvm::MachineBasicBlock"** %Parent.i.i, align 8, !tbaa !3
%tobool5.i = icmp eq %"class.llvm::MachineBasicBlock"* %3, null
br i1 %tobool5.i, label %if.end13.i, label %if.then6.i
if.then6.i: ; preds = %if.then3.i
%xParent.i.i = getelementptr inbounds %"class.llvm::MachineBasicBlock"* %3, i64 0, i32 4
%4 = load %"class.llvm::MachineFunction"** %xParent.i.i, align 8, !tbaa !3
%tobool8.i = icmp eq %"class.llvm::MachineFunction"* %4, null
br i1 %tobool8.i, label %if.end13.i, label %if.then9.i
if.then9.i: ; preds = %if.then6.i
%RegInfo.i.i = getelementptr inbounds %"class.llvm::MachineFunction"* %4, i64 0, i32 5
%5 = load %"class.llvm::MachineRegisterInfo"** %RegInfo.i.i, align 8, !tbaa !3
tail call void @_ZN4llvm19MachineRegisterInfo27removeRegOperandFromUseListEPNS_14MachineOperandE(%"class.llvm::MachineRegisterInfo"* %5, %"class.llvm::MachineOperand"* %this)
store i32 %Reg.addr.0, i32* %RegNo.i.i, align 4, !tbaa !0
tail call void @_ZN4llvm19MachineRegisterInfo22addRegOperandToUseListEPNS_14MachineOperandE(%"class.llvm::MachineRegisterInfo"* %5, %"class.llvm::MachineOperand"* %this)
br label %_ZN4llvm14MachineOperand6setRegEj.exit
if.end13.i: ; preds = %if.then6.i, %if.then3.i, %if.end.i
store i32 %Reg.addr.0, i32* %RegNo.i.i, align 4, !tbaa !0
br label %_ZN4llvm14MachineOperand6setRegEj.exit
_ZN4llvm14MachineOperand6setRegEj.exit: ; preds = %if.end, %if.then9.i, %if.end13.i
ret void
}
!0 = metadata !{metadata !"int", metadata !1}
!1 = metadata !{metadata !"omnipotent char", metadata !2}
!2 = metadata !{metadata !"Simple C/C++ TBAA"}
!3 = metadata !{metadata !"any pointer", metadata !1}
!4 = metadata !{metadata !"vtable pointer", metadata !2}
!5 = metadata !{metadata !"long", metadata !1}
!6 = metadata !{i64 0, i64 8, metadata !3, i64 8, i64 8, metadata !5}
!7 = metadata !{metadata !"short", metadata !1}
!8 = metadata !{i64 0, i64 1, metadata !1, i64 1, i64 4, metadata !0, i64 2, i64 1, metadata !1, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 3, i64 1, metadata !9, i64 4, i64 4, metadata !0, i64 4, i64 4, metadata !0, i64 8, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !5, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 24, i64 8, metadata !3, i64 16, i64 4, metadata !0, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 16, i64 8, metadata !3, i64 24, i64 4, metadata !0}
!9 = metadata !{metadata !"bool", metadata !1}
!10 = metadata !{i8 0, i8 2}
; CHECK-NOT: lbzu 3, 1(3)
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