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(parent: eb33134) | patch
[LoopVectorize] Don't crash on zero-sized types in isInductionPHI
authorDavid Majnemer <david.majnemer@gmail.com>
Fri, 5 Jun 2015 10:52:40 +0000 (10:52 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Fri, 5 Jun 2015 10:52:40 +0000 (10:52 +0000)
commitb58f32f7a84e98b51fd87ac9b49dba02b06fa7bc
treeb6b3e7cacdb97e21f8eb1aec699a3ea881131974tree | snapshot
parenteb33134ce791de41bc2fd2f11eb3d7732e009ce5commit | diff
[LoopVectorize] Don't crash on zero-sized types in isInductionPHI

isInductionPHI wants to calculate the stride based on the pointee size.
However, this is not possible when the pointee is zero sized.

This fixes PR23763.

llvm-svn: 239143
llvm/lib/Transforms/Utils/LoopUtils.cpp diff | blob | history
llvm/test/Transforms/LoopVectorize/zero-sized-pointee-crash.ll [new file with mode: 0644] blob
Domain: System / Toolchain;