[XRAY] [compiler-rt] [NFC] Fixing the bit twiddling of Function Id in FDR logging mode.
[XRAY] [compiler-rt] [NFC] Fixing the bit twiddling of Function Id in FDR logging mode.

Summary:
Fixing a bug I found when testing a reader for the FDR format. Function ID is
now correctly packed into the 28 bits which are documented for it instead of being
masked to all ones.

Reviewers: dberris, pelikan, eugenis

Reviewed By: dberris

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D29698

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@294563 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt