David Majnemer aa3c1f7077 [InstCombine] Don't miscompile select to poison ... If we have (select a, b, c), it is sometimes valid to simplify this to a single select operand. However, doing so is only valid if the computation doesn't inject poison into the computation. It might be helpful to consider the following example: (select (icmp ne %i, INT_MAX), (add nsw %i, 1), INT_MIN) The select is equivalent to (add %i, 1) but not (add nsw %i, 1). Self hosting on x86_64 revealed that this occurs very, very rarely so bailing out is hopefully pretty reasonable. llvm-svn: 239215		2015-06-06 02:30:43 +00:00
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Hello
InstCombine	[InstCombine] Don't miscompile select to poison	2015-06-06 02:30:43 +00:00
Instrumentation	Tidy code in InstrProfiling.cpp. NFC.	2015-06-04 11:45:32 +00:00
IPO	[PM/AA] Start refactoring AliasAnalysis to remove the analysis group and	2015-06-04 02:03:15 +00:00
ObjCARC	[PM/AA] Start refactoring AliasAnalysis to remove the analysis group and	2015-06-04 02:03:15 +00:00
Scalar	[Unroll] Rework the naming and structure of the new unroll heuristics.	2015-06-05 17:01:43 +00:00
Utils	[LoopVectorize] Don't crash on zero-sized types in isInductionPHI	2015-06-05 10:52:40 +00:00
Vectorize	[PM/AA] Start refactoring AliasAnalysis to remove the analysis group and	2015-06-04 02:03:15 +00:00
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