Teresa Johnson 4bdf82ce79 [SamplePGO] Minor efficiency improvement in samplePGO ICP ...

Summary:
When attaching prof metadata to promoted direct calls in SamplePGO
mode, no need to construct and use a SmallVector to pass a single count
to the ArrayRef parameter, we can simply use a brace-enclosed init list.

This made a small but consistent improvement for a ThinLTO backend
compile I was measuring.

Reviewers: wmi

Subscribers: mehdi_amini, dexonsmith, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57706

llvm-svn: 353123

2019-02-05 00:18:38 +00:00

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