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Sanjay Patel a932da8f35 Fix for PR17073 ( http://llvm.org/pr17073 ), simplifycfg illegally hoists an operation in a phi node that can trap. 
This patch adds to an existing loop over phi nodes in SimplifyCondBranchToCondBranch() to check for trapping ops and bails out of the optimization if we find one of those.

The test cases verify that trapping ops are not hoisted and non-trapping ops are still optimized as expected.

llvm-svn: 212490
 		2014-07-07 21:19:00 +00:00
..
Analysis fixed typos in comments 2014-07-06 23:24:53 +00:00
AsmParser Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
Bitcode Fix a bug in the conversion to ErrorOr. 2014-07-04 20:05:56 +00:00
CodeGen [x86] Revert r212324 which was too aggressive w.r.t. allowing undef 2014-07-07 19:03:32 +00:00
DebugInfo Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
ExecutionEngine ExecutionEngine::create(): fix interpreter fallback when JIT is unavailable 2014-07-01 03:18:49 +00:00
IR Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
IRReader Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
LTO Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
LineEditor [CMake] Use LINK_LIBS instead of target_link_libraries(). 2014-02-26 06:41:29 +00:00
Linker Include <tuple> to make buildbots happy 2014-06-27 18:38:12 +00:00
MC This only needs a StringRef. 2014-07-06 14:17:29 +00:00
Object Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
Option Revert "Introduce a string_ostream string builder facilty" 2014-06-26 22:52:05 +00:00
ProfileData Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
Support Refactor ARM subarchitecture parsing 2014-07-07 20:01:11 +00:00
TableGen Update the MemoryBuffer API to use ErrorOr. 2014-07-06 17:43:13 +00:00
Target Refactor ARM subarchitecture parsing 2014-07-07 20:01:11 +00:00
Transforms Fix for PR17073 ( http://llvm.org/pr17073 ), simplifycfg illegally hoists an operation in a phi node that can trap. 2014-07-07 21:19:00 +00:00
CMakeLists.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
LLVMBuild.txt ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00
Makefile ProfileData: Introduce the InstrProfReader interface and a text reader 2014-03-21 17:24:48 +00:00