llvm-project/llvm
Hal Finkel 0dfbb05aff Use multiple virtual registers in PPC CR spilling
Now that the register scavenger can support multiple spill slots, and PEI can
use virtual-register-based scavenging for multiple simultaneous registers, we
can use a virtual register for the transfer register in the CR spilling code.

This should eliminate the last place (outside of the prologue/epilogue) where
we depend on the unconditional availability of the r0 register. We will soon be
able to allocate it (in a somewhat restricted sense) as a GPR.

llvm-svn: 178060
2013-03-26 18:57:22 +00:00
..
autoconf Refine fenv.h handling: check if the desired macros exist, before using 2013-03-25 13:13:33 +00:00
bindings [python] Add markup option to disassembler 2012-12-01 21:57:30 +00:00
cmake Add CMake option LLVM_USE_SANITIZER={Address,Memory,MemoryWithOrigins} to simplify bootstrap of LLVM/Clang under ASan/MSan 2013-03-26 07:49:46 +00:00
docs Added documentation to LangRef for the intrinsic llvm.ptr.annotation.* which for some reason was never written. 2013-03-26 00:34:27 +00:00
examples Update links to "Itanium C++ ABI: Exception Handling" document 2013-01-13 15:53:09 +00:00
include Update PEI's virtual-register-based scavenging to support multiple simultaneous mappings 2013-03-26 18:56:54 +00:00
lib Use multiple virtual registers in PPC CR spilling 2013-03-26 18:57:22 +00:00
projects Print a warning message if compiler-rt can't be built because of old CMake version to make this requirement more visible to users 2013-03-05 14:43:07 +00:00
runtime Remove GCDAProfiling.c. This copy is old, the copy in compiler-rt is newer and 2013-03-07 02:03:08 +00:00
test Use multiple virtual registers in PPC CR spilling 2013-03-26 18:57:22 +00:00
tools Manually update the dependencies in the Makefiles. It turns out that all 2013-03-26 03:45:47 +00:00
unittests Test case for graceful handling of long file names on Windows. Patch thanks to Paul Robinson! 2013-03-16 15:00:51 +00:00
utils x86 -- add the XTEST instruction 2013-03-25 18:59:43 +00:00
.arcconfig Add .arcconfig to the repository. Useful if someone wants to use phabricator's command line tool. 2012-12-01 12:07:58 +00:00
.gitignore
CMakeLists.txt Add CMake option LLVM_USE_SANITIZER={Address,Memory,MemoryWithOrigins} to simplify bootstrap of LLVM/Clang under ASan/MSan 2013-03-26 07:49:46 +00:00
CODE_OWNERS.TXT Update 2013-03-18 17:47:33 +00:00
CREDITS.TXT Update 2013-03-18 17:47:33 +00:00
LICENSE.TXT Add LICENSE.TXT covering contributions made by ARM. 2013-01-07 10:04:49 +00:00
LLVMBuild.txt
Makefile Improved svn repo searching for 'make update' 2013-01-28 03:19:57 +00:00
Makefile.common Makefile.common: Update a description, s/Source/SOURCES/ , according to MakefileGuide.html#control-variables . 2012-12-07 01:43:23 +00:00
Makefile.config.in Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
Makefile.rules Turn anonymous type in anonymous union warning back on after cleaning up 2013-03-15 00:43:00 +00:00
README.txt Revert "Test commit" 2013-02-22 19:19:41 +00:00
configure Refine fenv.h handling: check if the desired macros exist, before using 2013-03-25 13:13:33 +00:00
llvm.spec.in

README.txt

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

This directory and its subdirectories contain source code for the Low Level
Virtual Machine, a toolkit for the construction of highly optimized compilers,
optimizers, and runtime environments.

LLVM is open source software. You may freely distribute it under the terms of
the license agreement found in LICENSE.txt.

Please see the documentation provided in docs/ for further
assistance with LLVM, and in particular docs/GettingStarted.rst for getting
started with LLVM and docs/README.txt for an overview of LLVM's
documentation setup.

If you're writing a package for LLVM, see docs/Packaging.rst for our
suggestions.