[llvm] Avoid div by 0 when updating profile weights.
authorMircea Trofin <mtrofin@google.com>
Wed, 8 May 2019 03:57:25 +0000 (03:57 +0000)
committerMircea Trofin <mtrofin@google.com>
Wed, 8 May 2019 03:57:25 +0000 (03:57 +0000)
commit0a753938db3b2db756b6c535c2127d4efaaa0b40
tree846023d1f7328e66004526ca477897d50bf90dc7
parent3b137a495686bd6018d115ea82fb8bb7718349fd
[llvm] Avoid div by 0 when updating profile weights.

Reviewers: davidxl

Reviewed By: davidxl

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D61661

llvm-svn: 360223
llvm/lib/IR/Instructions.cpp
llvm/test/Transforms/SampleProfile/entry_counts_missing_dbginfo.ll [new file with mode: 0644]