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Commit bd3689de authored by Dehao Chen's avatar Dehao Chen
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Pass -fprofile-sample-use to lto backends. 

Summary: LTO backend will not invoke SampleProfileLoader pass even if -fprofile-sample-use is specified. This patch passes the flag down so that pass manager can add the SampleProfileLoader pass correctly.

Reviewers: mehdi_amini, tejohnson

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D28588

llvm-svn: 291774
parent 3d4cc68b
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