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LLVM backend for 6502
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f4840c07f8
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Jakob Stoklund Olesen f4840c07f8 Fix emergency spilling in LiveIntervals::spillPhysRegAroundRegDefsUses. 
Always spill the full representative register at any point where any subregister
is live.

This fixes PR8620 which caused the old logic to get confused and not spill
anything at all.

The fundamental problem here is that the coalescer is too aggressive about
physical register coalescing. It sometimes makes it impossible to allocate
registers without these emergency spills.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119375 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-16 19:55:14 +00:00
autoconf fix the autoconf script to detect "has asmprinter"ness of a target by 2010-11-14 19:10:47 +00:00
bindings Try to fix ocaml bindings. 2010-10-08 00:36:21 +00:00
cmake Revert inadvertant checkin of CMake libdeps. 2010-11-16 18:14:41 +00:00
docs Document -enable-no-infs-fp-math and -enable-no-nans-fp-math command line options 2010-11-16 19:40:13 +00:00
examples Fix missing includes of "llvm/Analysis/Passes.h" in the tutorials. Thanks 2010-11-16 17:28:22 +00:00
include system_error: More conditional error codes for Darwin. 2010-11-16 18:48:21 +00:00
lib Fix emergency spilling in LiveIntervals::spillPhysRegAroundRegDefsUses. 2010-11-16 19:55:14 +00:00
projects
runtime
test In which I discover the existence of loops. Threading an operation 2010-11-16 12:16:38 +00:00
tools fix the autoconf script to detect "has asmprinter"ness of a target by 2010-11-14 19:10:47 +00:00
unittests unittests/CMakeLists.txt: Add missing VMCore/ValueMapTest.cpp to VMCoreTests. 2010-11-14 12:37:51 +00:00
utils Tidy up some things in <arm_neon.h>. 2010-11-16 19:39:14 +00:00
website
build-for-llvm-top.sh
CMakeLists.txt Add LLVMObject Library. 2010-11-15 03:21:41 +00:00
configure fix the autoconf script to detect "has asmprinter"ness of a target by 2010-11-14 19:10:47 +00:00
CREDITS.TXT Convert a bunch of uses of 'bytecode' into 'bitcode'. This 2010-09-29 20:09:55 +00:00
LICENSE.TXT
llvm.spec.in
Makefile Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
Makefile.common
Makefile.config.in Add --enable-docs. Patch by NAKAMURA Takumi. 2010-11-12 19:24:06 +00:00
Makefile.rules remove JIT support from the Alpha backend. The JIT will be moving to MC, 2010-11-14 18:24:41 +00:00
ModuleInfo.txt Remove trailing space. This is just an excuse to poke the 2010-10-05 20:32:15 +00:00
README.txt Undoing test commit blank space. 2010-09-29 17:39:29 +00:00

README.txt 

\Low Level Virtual Machine (LLVM)
================================

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