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| author | Dehao Chen <dehao@google.com> | 2016-10-07 15:21:31 +0000 |
|---|---|---|
| committer | Dehao Chen <dehao@google.com> | 2016-10-07 15:21:31 +0000 |
| commit | 6e0c8446db8bebe774ff6e927d5d4c5503ff338d (patch) | |
| tree | 9964726d49ee90c38a35abe9d23696469bb4c955 /llvm/lib/MC | |
| parent | e239e951609a573c485ff7dacff0573068e8879d (diff) | |
| download | bcm5719-llvm-6e0c8446db8bebe774ff6e927d5d4c5503ff338d.tar.gz bcm5719-llvm-6e0c8446db8bebe774ff6e927d5d4c5503ff338d.zip | |
Invoke add-discriminator at -g0 -fsample-profile
Summary: -fsample-profile needs discriminator, which will not be added if built with -g0. This patch makes sure the discriminator is added for sample-profile at -g0. A followup patch will be send out to update clang tests.
Reviewers: davidxl, dblaikie, echristo, dnovillo
Subscribers: mehdi_amini, probinson, llvm-commits
Differential Revision: https://reviews.llvm.org/D25132
llvm-svn: 283565
Diffstat (limited to 'llvm/lib/MC')
| -rw-r--r-- | llvm/lib/MC/MCDwarf.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp index 54b2c918c84..ed27eae87ff 100644 --- a/llvm/lib/MC/MCDwarf.cpp +++ b/llvm/lib/MC/MCDwarf.cpp @@ -122,7 +122,8 @@ EmitDwarfLineTable(MCObjectStreamer *MCOS, MCSection *Section, MCOS->EmitIntValue(dwarf::DW_LNS_set_column, 1); MCOS->EmitULEB128IntValue(Column); } - if (Discriminator != LineEntry.getDiscriminator()) { + if (Discriminator != LineEntry.getDiscriminator() && + MCOS->getContext().getDwarfVersion() >= 4) { Discriminator = LineEntry.getDiscriminator(); unsigned Size = getULEB128Size(Discriminator); MCOS->EmitIntValue(dwarf::DW_LNS_extended_op, 1); |
