Dehao Chen 7810d4fbd0 Only enable AddDiscriminator pass when -fdebug-info-for-profiling is true ...

Summary: AddDiscriminator pass is only useful for sample pgo. This patch restricts AddDiscriminator to -fdebug-info-for-profiling so that it does not introduce unecessary debug size increases for non-sample-pgo builds.

Reviewers: dblaikie, aprantl

Reviewed By: dblaikie

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D30220

llvm-svn: 295764

2017-02-21 20:36:21 +00:00

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