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Lang Hames cb74fa696b [ARM64] Teach the ARM64DeadRegisterDefinition pass to respect implicit-defs. 
When rematerializing through truncates, the coalescer may produce instructions
with dead defs, but live implicit-defs of subregs:
E.g.
  %X1<def,dead> = MOVi64imm 2, %W1<imp-def>; %X1:GPR64, %W1:GPR32

These instructions are live, and their definitions should not be rewritten.

Fixes <rdar://problem/16492408>

llvm-svn: 205565
 		2014-04-03 20:51:08 +00:00
..
Analysis Use TopTTI->getGEPCost from within getUserCost 2014-04-01 18:50:06 +00:00
AsmParser Remove the linker_private and linker_private_weak linkages. 2014-03-13 23:18:37 +00:00
Bitcode All new elements except the last one initialized to NULL. Ideally, once parsing is complete, all elements should be non-NULL. 2014-03-27 12:08:23 +00:00
CodeGen Fix for PR 19261: 2014-04-03 12:11:51 +00:00
DebugInfo DebugInfo: Support debug_loc under fission 2014-03-25 01:44:02 +00:00
ExecutionEngine [Allocator] Lift the slab size and size threshold into template 2014-03-30 12:07:07 +00:00
IR ARM: update subtarget information for Windows on ARM 2014-04-02 20:32:05 +00:00
IRReader Replace OwningPtr<T> with std::unique_ptr<T>. 2014-03-06 05:51:42 +00:00
LTO Revert "Reapply "LTO: add API to set strategy for -internalize"" 2014-04-02 22:05:57 +00:00
LineEditor [CMake] Use LINK_LIBS instead of target_link_libraries(). 2014-02-26 06:41:29 +00:00
Linker [Layering] Sink Linker.h into a Linker subdirectory to make it 2014-03-06 03:42:23 +00:00
MC Work around gold bug http://sourceware.org/PR16794. 2014-04-02 12:15:20 +00:00
Object Implement get getSymbolFileOffset with getSymbolAddress. 2014-04-03 03:13:33 +00:00
Option Avoid buffer copies when a Twine already is a StringRef. 2013-12-03 18:18:28 +00:00
ProfileData InstrProf: Silence spurious warnings in GCC 4.8 2014-03-24 00:47:18 +00:00
Support Support: generalise object type handling for Windows 2014-03-31 16:34:41 +00:00
TableGen tblgen: Twinify PrintFatalError. 2014-03-29 17:17:15 +00:00
Target [ARM64] Teach the ARM64DeadRegisterDefinition pass to respect implicit-defs. 2014-04-03 20:51:08 +00:00
Transforms Fix PR19270 - type mismatch caused by invalid optimization. 2014-04-03 17:51:58 +00:00
CMakeLists.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
LLVMBuild.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
Makefile ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00