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LLVM backend for 6502
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Pete Cooper c61f7144eb [AArch64] Use MachineRegisterInfo instead of LiveIntervals to calculate liveness. NFC. 
The CondOpt pass currently uses LiveIntervals to set the dead flag on a def.  This patch uses MachineRegisterInfo::use_empty instead as that is equivalent to the def being dead.

This removes an instance of LiveIntervals in the pass manager pipeline and saves 3.8% of compile time on llc conpiled for AArch64.

Reviewed by Chad Rosier and Zhaoshi.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235532 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-22 18:05:13 +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 DebugInfo: Remove DIArray and DITypeArray typedefs 2015-04-21 20:07:38 +00:00
cmake [cmake] Quote the path to the target exports file, fixes PR23313 2015-04-22 16:23:00 +00:00
docs Minor edits to the llvm-cov documentation. 2015-04-21 16:32:02 +00:00
examples Fix up Exception demo from recent opaque pointer type changes to GEP 2015-04-22 04:24:43 +00:00
include Change MachineOperand::OpKind from unsigned char to a bitfield. NFC. 2015-04-22 17:48:26 +00:00
lib [AArch64] Use MachineRegisterInfo instead of LiveIntervals to calculate liveness. NFC. 2015-04-22 18:05:13 +00:00
projects Reverse the order libc++ and libc++abi are added in CMake. 2015-03-04 01:16:43 +00:00
test Fix correctness check for test_vec_fpextend_double 2015-04-22 18:04:12 +00:00
tools Support arm32 R_ARM_V4BX relocation format 2015-04-22 15:26:43 +00:00
unittests Replace std::auto_ptr with std::unique_ptr 2015-04-22 04:39:13 +00:00
utils [TableGen] Use 'isa' to identify UnsetInits rather than comparing with the singleton object created by UnsetInit::get(). Makes it more consistent with the other types. 2015-04-22 02:09:45 +00:00
.arcconfig
.clang-format
.clang-tidy
.gitignore Ignore compile_commands.json only at the root of the tree. 2015-03-26 18:55:42 +00:00
CMakeLists.txt [CMake] Updates to llvm-shlib to support overriding exports list and added an option to export all symbols. 2015-04-13 21:29:46 +00:00
CODE_OWNERS.TXT Add myself as the Constant Folder owner. 2015-04-20 23:19:10 +00:00
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 Update for a new year. 2015-03-12 01:25:29 +00:00
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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