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LLVM backend for 6502
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Jakob Stoklund Olesen 9cda1be0aa Prioritize smaller register classes for urgent evictions. 
It helps compile exotic inline asm. In the test case, normal GR32
virtual registers use up eax-edx so the final GR32_ABCD live range has
no registers left. Since all the live ranges were tiny, we had no way of
prioritizing the smaller register class.

This patch allows tiny unspillable live ranges to be evicted by tiny
unspillable live ranges from a smaller register class.

<rdar://problem/11542429>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157715 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-30 21:46:58 +00:00
autoconf Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
bindings [python] Add negative MemoryBuffer testcase 2012-03-22 11:23:52 +00:00
cmake Fix how CMake appends -m32 to linker command-lines 2012-05-23 18:42:02 +00:00
docs typo fix 2012-05-30 00:40:23 +00:00
examples Remove llvm-ld and llvm-stub (which is only used by llvm-ld). 2012-04-19 19:27:54 +00:00
include Teach SCEV's icmp simplification logic that a-b == 0 is equivalent to a == b. 2012-05-30 18:32:23 +00:00
lib Prioritize smaller register classes for urgent evictions. 2012-05-30 21:46:58 +00:00
projects Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
runtime Small code cleanup. No functionality change. 2012-05-25 21:57:59 +00:00
test Prioritize smaller register classes for urgent evictions. 2012-05-30 21:46:58 +00:00
tools Reinstate -O3 for LTO. 2012-05-30 18:42:51 +00:00
unittests Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
utils Print uint16_t numbers without a sign. 2012-05-30 19:20:19 +00:00
.gitignore Add tools/lld to .gitignore. 2012-05-02 21:25:32 +00:00
CMakeLists.txt Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
configure Remove the PTX back-end and all of its artifacts (triple, etc.) 2012-05-24 21:38:21 +00:00
CREDITS.TXT Update the documentation of CellSPU, in case it gets removed in 3.1. 2012-04-29 20:00:55 +00:00
LICENSE.TXT Add YAML parser to Support. 2012-04-03 23:09:22 +00:00
llvm.spec.in Tidy up. s/Low Level Virtual Machine/LLVM/. 2012-01-25 22:00:23 +00:00
LLVMBuild.txt
Makefile Do not install llvm-config-host for cross-builds of clang. rdar://11317847 2012-05-09 00:07:02 +00:00
Makefile.common [docs] Remove unsupported references to ExtraSource variable. 2012-05-15 21:32:27 +00:00
Makefile.config.in - Added ExecutionEngine/MCJIT tests 2012-05-17 21:07:47 +00:00
Makefile.rules llvm-ld does not exist anymore, use llvm-link instead. 2012-05-23 20:34:19 +00:00
README.txt Testing commit access 2012-05-24 14:20:13 +00:00

README.txt 

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