forked from OSchip/llvm-project
152e7c8b12
An identity COPY like this: %AL = COPY %AL, %EAX<imp-def> has no semantic effect, but encodes liveness information: Further users of %EAX only depend on this instruction even though it does not define the full register. Replace the COPY with a KILL instruction in those cases to maintain this liveness information. (This reverts a small part of r238588 but this time adds a comment explaining why a KILL instruction is useful). llvm-svn: 274952 |
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.. | ||
32abi.ll | ||
64abi.ll | ||
64bit.ll | ||
64cond.ll | ||
64spill.ll | ||
2006-01-22-BitConvertLegalize.ll | ||
2007-05-09-JumpTables.ll | ||
2007-07-05-LiveIntervalAssert.ll | ||
2008-10-10-InlineAsmMemoryOperand.ll | ||
2008-10-10-InlineAsmRegOperand.ll | ||
2009-08-28-PIC.ll | ||
2009-08-28-WeakLinkage.ll | ||
2011-01-11-CC.ll | ||
2011-01-11-Call.ll | ||
2011-01-11-FrameAddr.ll | ||
2011-01-19-DelaySlot.ll | ||
2011-01-21-ByValArgs.ll | ||
2011-01-22-SRet.ll | ||
2011-12-03-TailDuplication.ll | ||
2012-05-01-LowerArguments.ll | ||
2013-05-17-CallFrame.ll | ||
DbgValueOtherTargets.test | ||
LeonFixCALLPassUT.ll | ||
LeonFixFSMULDPassUT.ll | ||
LeonInsertNOPLoad.ll | ||
LeonInsertNOPLoadPassUT.ll | ||
LeonInsertNOPsDoublePrecision.ll | ||
LeonItinerariesUT.ll | ||
LeonPreventRoundChangePassUT.ll | ||
LeonReplaceFMULSPassUT.ll | ||
LeonReplaceSDIVPassUT.ll | ||
LeonSMACUMACInstructionUT.ll | ||
analyze-branch.ll | ||
atomics.ll | ||
basictest.ll | ||
blockaddr.ll | ||
constpool.ll | ||
ctpop.ll | ||
empty-functions.ll | ||
exception.ll | ||
float-constants.ll | ||
float.ll | ||
fp128.ll | ||
func-addr.ll | ||
globals.ll | ||
inlineasm.ll | ||
leafproc.ll | ||
lit.local.cfg | ||
mature-mc-support.ll | ||
missing-sret.ll | ||
missinglabel.ll | ||
mult-alt-generic-sparc.ll | ||
multiple-div.ll | ||
obj-relocs.ll | ||
parts.ll | ||
private.ll | ||
rem.ll | ||
reserved-regs.ll | ||
select-mask.ll | ||
setjmp.ll | ||
sjlj.ll | ||
soft-float.ll | ||
spill.ll | ||
spillsize.ll | ||
sret-secondary.ll | ||
stack-align.ll | ||
stack-protector.ll | ||
thread-pointer.ll | ||
tls.ll | ||
trap.ll | ||
varargs.ll | ||
vector-call.ll | ||
zerostructcall.ll |