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Add opt-viewer testing

Description

Add opt-viewer testing

Detects whether we have the Python modules (pygments, yaml) required by
opt-viewer and hooks this up to REQUIRES.

This fixes https://bugs.llvm.org/show_bug.cgi?id=34129 (the lack of opt-viewer
testing).

It's also related to https://github.com/apple/swift/pull/12938 and the idea is
to expose LLVM_HAVE_OPT_VIEWER_MODULES to the Swift cmake.

Differential Revision: https://reviews.llvm.org/D40202

Details

Committed
anemetNov 28 2017, 9:26 AM
Differential Revision
D40202: Add opt-viewer testing
Parents
rL319187: [CodeGen] Print register names in lowercase in both MIR and debug output
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