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LLVM backend for 6502
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e644b7743b
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Quentin Colombet e644b7743b Fix a bug in IfConverter with nested predicates. 
Prior to this patch, IfConverter may widen the cases where a sequence of
instructions were executed because of the way it uses nested predicates. This
result in incorrect execution.

For instance, Let A be a basic block that flows conditionally into B and B be a
predicated block.
B can be predicated with A.BrToBPredicate into A iff B.Predicate is less
"permissive" than A.BrToBPredicate, i.e., iff A.BrToBPredicate subsumes
B.Predicate.

The IfConverter was checking the opposite: B.Predicate subsumes
A.BrToBPredicate.

<rdar://problem/14379453>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187071 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-24 20:20:37 +00:00
autoconf No ',' between programs. 2013-07-08 21:18:54 +00:00
bindings
cmake Tweak the cmake interaction between CMAKE_BUILD_TYPE and LLVM_ENABLE_ASSERTIONS. 2013-07-17 09:34:51 +00:00
docs Update old llc documentation. 2013-07-24 17:45:11 +00:00
examples Adding example source to support MCJIT/Kaleidoscope blog posts. 2013-07-22 18:47:24 +00:00
include Split generated asm mnemonic matching table into a separate table for each asm variant. 2013-07-24 07:33:14 +00:00
lib Fix a bug in IfConverter with nested predicates. 2013-07-24 20:20:37 +00:00
projects The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
runtime
test Fix a bug in IfConverter with nested predicates. 2013-07-24 20:20:37 +00:00
tools Split getOpenFile into getOpenFile and getOpenFileSlice. 2013-07-23 20:25:01 +00:00
unittests [mips] Use pristine object file while processing relocations. 2013-07-24 01:58:40 +00:00
utils Split generated asm mnemonic matching table into a separate table for each asm variant. 2013-07-24 07:33:14 +00:00
.arcconfig
.gitignore
CMakeLists.txt Tweak the cmake interaction between CMAKE_BUILD_TYPE and LLVM_ENABLE_ASSERTIONS. 2013-07-17 09:34:51 +00:00
CODE_OWNERS.TXT Add more owners to CODE_OWNERS.TXT (Kostya Serebryany: AddressSanitizer and ThreadSanitizer; Evgeniy Stepanov: MemorySanitizer) 2013-06-27 08:47:12 +00:00
configure No ',' between programs. 2013-07-08 21:18:54 +00:00
CREDITS.TXT
LICENSE.TXT
llvm.spec.in
LLVMBuild.txt
Makefile Fix regular expression used by 'make update' to only look for 'I' and '?' at the start of svn info results and to check for spaces after 'I' instead of just after '?'. 2013-07-03 14:48:37 +00:00
Makefile.common
Makefile.config.in Add an autoconf option for turning on -gsplit-dwarf by default 2013-06-25 01:12:25 +00:00
Makefile.rules The build system is currently miss-identifying GNU/kFreeBSD as FreeBSD. 2013-07-01 08:07:52 +00:00
README.txt

README.txt 

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