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David Majnemer c82f27af2a SimplifyCFG: Do not transform PHI to select if doing so would be unsafe 
PR16069 is an interesting case where an incoming value to a PHI is a
trap value while also being a 'ConstantExpr'.

We do not consider this case when performing the 'HoistThenElseCodeToIf'
optimization.

Instead, make our modifications more conservative if we detect that we
cannot transform the PHI to a select.

llvm-svn: 183152
 		2013-06-03 20:43:12 +00:00
..
Analysis Prevent loop-unroll from making assumptions about undefined behavior. 2013-05-31 23:34:46 +00:00
Archive Fix auto_ptr is deprecated warnings 2013-02-26 21:20:35 +00:00
AsmParser Add a new function attribute 'cold' to functions. 2013-05-24 12:26:52 +00:00
Bitcode Remove the Copied parameter from MemoryObject::readBytes. 2013-05-24 10:54:58 +00:00
CodeGen Move getRealLinkageName to a common place and remove all the duplicates of it. 2013-06-01 17:51:14 +00:00
DebugInfo Change how we iterate over relocations on ELF. 2013-05-30 03:05:14 +00:00
ExecutionEngine Update RuntimeDyldELF::findOPDEntrySection the new relocation iterators. 2013-06-03 19:37:34 +00:00
IR Move getRealLinkageName to a common place and remove all the duplicates of it. 2013-06-01 17:51:14 +00:00
IRReader Measure time that IR parsing took as part of the -time-passes measurement. 2013-04-03 15:33:45 +00:00
Linker Extend RemapInstruction and friends to take an optional new parameter, a ValueMaterializer. 2013-05-28 15:17:05 +00:00
MC Make SubRegIndex size mandatory, following r183020. 2013-05-31 23:45:26 +00:00
Object [Object/COFF] Fix Windows .lib name handling. 2013-06-03 00:27:03 +00:00
Option Resort the #include lines in include/... and lib/... with the 2013-01-02 10:22:59 +00:00
Support Introduce needsCleanup() for APFloat and APInt. 2013-06-03 13:03:05 +00:00
TableGen Allow TableGen DAG arguments to be just a name. 2013-03-24 19:36:51 +00:00
Target R600/SI: Add support for work item and work group intrinsics 2013-06-03 17:40:18 +00:00
Transforms SimplifyCFG: Do not transform PHI to select if doing so would be unsafe 2013-06-03 20:43:12 +00:00
CMakeLists.txt Split out the IRReader header and the utility functions it provides into 2013-03-26 02:25:37 +00:00
LLVMBuild.txt Split out the IRReader header and the utility functions it provides into 2013-03-26 02:25:37 +00:00
Makefile Split out the IRReader header and the utility functions it provides into 2013-03-26 02:25:37 +00:00