Ahmed Bougacha 88d2b5812a [MachineCSE] Clear kill-flag on registers imp-def'd by the CSE'd instruction. ... Go through implicit defs of CSMI and MI, and clear the kill flags on their uses in all the instructions between CSMI and MI. We might have made some of the kill flags redundant, consider: subs ... %NZCV<imp-def> <- CSMI csinc ... %NZCV<imp-use,kill> <- this kill flag isn't valid anymore subs ... %NZCV<imp-def> <- MI, to be eliminated csinc ... %NZCV<imp-use,kill> Since we eliminated MI, and reused a register imp-def'd by CSMI (here %NZCV), that register, if it was killed before MI, should have that kill flag removed, because it's lifetime was extended. Also, add an exhaustive testcase for the motivating example. Reviewed by: Juergen Ributzka <juergen@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223133 91177308-0d34-0410-b5e6-96231b3b80d8		2014-12-02 18:09:51 +00:00
..
Analysis	Simplify pointer comparisons involving memory allocation functions	2014-12-01 23:38:06 +00:00
AsmParser	Parse 'ghccc' in .ll files as the GHC convention (cc 10)	2014-12-01 21:04:44 +00:00
Bitcode
CodeGen	[MachineCSE] Clear kill-flag on registers imp-def'd by the CSE'd instruction.	2014-12-02 18:09:51 +00:00
DebugInfo
ExecutionEngine
IR	[Statepoints 1/4] Statepoint infrastructure for garbage collection: IR Intrinsics	2014-12-01 21:18:12 +00:00
IRReader
LineEditor
Linker	Use a continue to reduce indentation and clang-format. NFC.	2014-12-01 19:17:46 +00:00
LTO
MC	[NVPTX] Do not emit .weak symbols for NVPTX	2014-12-01 21:16:17 +00:00
Object	Add ARM relocations to ELFYAML	2014-12-02 09:49:09 +00:00
Option
ProfileData
Support	Triple: Add AMDHSA operating system type	2014-12-02 16:45:47 +00:00
TableGen
Target	Remove unneccessary code introduced with 223101.	2014-12-02 18:06:10 +00:00
Transforms	[LICM] Avoind store sinking if no preheader is available	2014-12-02 14:22:34 +00:00
CMakeLists.txt
LLVMBuild.txt
Makefile