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94202018c5
1. If part of a register is re-defined, an implicit kill and an implicit def are added to denote read / mod / write. However, this should only be necessary if the register is actually read later. This is a performance issue. 2. If a sub-register is being defined, and it doesn't have a previous use, do not add a implicit kill to the last use of a super-register: = EAX, AX<imp-use,kill> ... AX = In this case, EAX is live but AX is killed, this is wrong and will cause the coalescer to do bad things. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48521 91177308-0d34-0410-b5e6-96231b3b80d8 |
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ADT | ||
Analysis | ||
Assembly | ||
Bitcode | ||
CodeGen | ||
Config | ||
Debugger | ||
ExecutionEngine | ||
Support | ||
System | ||
Target | ||
Transforms | ||
AbstractTypeUser.h | ||
Argument.h | ||
AutoUpgrade.h | ||
BasicBlock.h | ||
CallGraphSCCPass.h | ||
CallingConv.h | ||
Constant.h | ||
Constants.h | ||
DerivedTypes.h | ||
Function.h | ||
GlobalAlias.h | ||
GlobalValue.h | ||
GlobalVariable.h | ||
InlineAsm.h | ||
InstrTypes.h | ||
Instruction.def | ||
Instruction.h | ||
Instructions.h | ||
IntrinsicInst.h | ||
Intrinsics.h | ||
Intrinsics.td | ||
IntrinsicsARM.td | ||
IntrinsicsCellSPU.td | ||
IntrinsicsPowerPC.td | ||
IntrinsicsX86.td | ||
LinkAllPasses.h | ||
LinkAllVMCore.h | ||
Linker.h | ||
LinkTimeOptimizer.h | ||
Module.h | ||
ModuleProvider.h | ||
ParameterAttributes.h | ||
Pass.h | ||
PassAnalysisSupport.h | ||
PassManager.h | ||
PassManagers.h | ||
PassSupport.h | ||
SymbolTableListTraits.h | ||
Type.h | ||
TypeSymbolTable.h | ||
Use.h | ||
User.h | ||
Value.h | ||
ValueSymbolTable.h |