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[ARM] Consider undefined-on-NaN conditions in checkVSELConstraints

Authored by olista01 on Mar 1 2019, 5:58 AM.

Description

[ARM] Consider undefined-on-NaN conditions in checkVSELConstraints

This function was not checking for the condition code variants which are
undefined if either input is NaN, so we were missing selection of the VSEL
instruction in some cases when using -fno-honor-nans or -ffast-math.

Differential revision: https://reviews.llvm.org/D58812

llvm-svn: 355199

Details

Committed
olista01Mar 1 2019, 5:58 AM
Differential Revision
D58812: [ARM] Consider undefined-on-NaN conditions in checkVSELConstraints
Parents
rG1a059e661995: [X86] Regenerate legalize test files
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