diff options
author | She Dongrui <dongrui.she@intel.com> | 2023-01-25 09:52:48 -0800 |
---|---|---|
committer | Adrian Prantl <aprantl@apple.com> | 2023-01-25 10:05:27 -0800 |
commit | a253a0bbe5ece7795633f8abeba7786e98a3e875 (patch) | |
tree | fa9c99d07ccdf10e8fa7a63dfa9f0bee1a7ab621 /llvm/lib/ProfileData/Coverage/CoverageMapping.cpp | |
parent | 490555026821db47d1cf4bf08c219b3e56ec6b45 (diff) | |
download | llvm-a253a0bbe5ece7795633f8abeba7786e98a3e875.zip llvm-a253a0bbe5ece7795633f8abeba7786e98a3e875.tar.gz llvm-a253a0bbe5ece7795633f8abeba7786e98a3e875.tar.bz2 |
Avoid removing useful loop metadata when stripping debug info
The stripDebugLocFromLoopID() may mistakenly remove useful metadata nodes
when they are operands of a child node, which also has DILocation operands.
It can be reproduced by the output of clang for code similar to the following:
for(int i = 0; i < n; i++)
x[i] = 10;
-strip-debug removes the child node of llvm.loop.vectorize.followup_all,
which contains llvm.loop.isvectorized and llvm.loop.unroll.count.
This patch fixes by checking all children nodes and only remove a metadata
node if all its children are DILocation.
Differential Revision: https://reviews.llvm.org/D141909
Diffstat (limited to 'llvm/lib/ProfileData/Coverage/CoverageMapping.cpp')
0 files changed, 0 insertions, 0 deletions