diff options
| author | Jeremy Morse <jeremy.morse@sony.com> | 2021-11-30 11:47:58 +0000 |
|---|---|---|
| committer | Jeremy Morse <jeremy.morse@sony.com> | 2021-11-30 11:50:05 +0000 |
| commit | 7093c8101033cc104ce79e8871ac0fb9b70b28c3 (patch) | |
| tree | ca7d1193020f23316530665de705789a8e44c9ad /llvm/lib/CodeGen/CommandFlags.cpp | |
| parent | 14c4051122bf4070d624b82189f1093758ecdf69 (diff) | |
| download | llvm-7093c8101033cc104ce79e8871ac0fb9b70b28c3.zip llvm-7093c8101033cc104ce79e8871ac0fb9b70b28c3.tar.gz llvm-7093c8101033cc104ce79e8871ac0fb9b70b28c3.tar.bz2 | |
[DebugInfo][InstrRef][X86] Instrument expanded DYN_ALLOCAs
If we have a DYN_ALLOCA_* instruction, it will eventually be expanded to a
stack probe and subtract-from-SP. Add debug-info instrumentation to
X86FrameLowering::emitStackProbe so that it can redirect debug-info for the
DYN_ALLOCA to the lowered stack probe. In practice, this means putting an
instruction number label either the call instruction to _chkstk for win32,
or more commonly on the subtract from SP instruction. The two tests added
cover both of these cases.
Differential Revision: https://reviews.llvm.org/D114452
Diffstat (limited to 'llvm/lib/CodeGen/CommandFlags.cpp')
0 files changed, 0 insertions, 0 deletions