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LLVM backend for 6502
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Craig Topper b1ff87ec86 [X86] Don't use GR64 register 'and with immediate' instructions if the immediate is zero in the upper 33-bits or upper 57-bits. Use GR32 instructions instead. 
Previously the patterns didn't have high enough priority and we would only use the GR32 form if the only the upper 32 or 56 bits were zero.

Fixes PR23100.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234075 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-04 02:08:20 +00:00
autoconf Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
bindings
cmake Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
docs [WinEH] Sink UnwindHelp completely out of IR 2015-04-03 22:32:26 +00:00
examples llvm/examples/BrainF: Give an explicit pointee type to ConstantExpr::getGetElementPtr(ty...), according to r233938. 2015-04-02 22:44:00 +00:00
include [WinEH] Fill out CatchHigh in the TryBlockMap 2015-04-03 23:37:34 +00:00
lib [X86] Don't use GR64 register 'and with immediate' instructions if the immediate is zero in the upper 33-bits or upper 57-bits. Use GR32 instructions instead. 2015-04-04 02:08:20 +00:00
projects
test [X86] Don't use GR64 register 'and with immediate' instructions if the immediate is zero in the upper 33-bits or upper 57-bits. Use GR32 instructions instead. 2015-04-04 02:08:20 +00:00
tools [opaque pointer type] API migration for GEP constant factories 2015-04-02 18:55:32 +00:00
unittests [opaque pointer type] API migration for GEP constant factories 2015-04-02 18:55:32 +00:00
utils TableGen: Generate more const goodness 2015-04-01 22:09:55 +00:00
.arcconfig
.clang-format
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CMakeLists.txt CMake: enable installing utils 2015-03-27 16:53:06 +00:00
CODE_OWNERS.TXT
configure Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile
Makefile.common
Makefile.config.in Try to unbreak Clang build to export LLVM_ABI_BREAKING_CHECKS, fixup for r233310. 2015-04-01 11:46:15 +00:00
Makefile.rules
README.txt Revert test commit at revision 233535. 2015-03-30 12:39:03 +00:00

README.txt 

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

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Please see the documentation provided in docs/ for further
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