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| author | Marcin Koscielnicki <koriakin@0x04.net> | 2016-04-28 21:24:37 +0000 |
|---|---|---|
| committer | Marcin Koscielnicki <koriakin@0x04.net> | 2016-04-28 21:24:37 +0000 |
| commit | 7b32957852475e460a9434ee903989bd4291aeaa (patch) | |
| tree | 384c3e6101d1321cdb5135d514173eec09df7e92 /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | de8d3753d30534d1c0df2591bc306981b50ec246 (diff) | |
| download | llvm-7b32957852475e460a9434ee903989bd4291aeaa.zip llvm-7b32957852475e460a9434ee903989bd4291aeaa.tar.gz llvm-7b32957852475e460a9434ee903989bd4291aeaa.tar.bz2 | |
[PowerPC] Fix the EH_SjLj_Setup pseudo.
This instruction is just a control flow marker - it should not
actually exist in the object file. Unfortunately, nothing catches
it before it gets to AsmPrinter. If integrated assembler is used,
it's considered to be a normal 4-byte instruction, and emitted as
an all-0 word, crashing the program. With external assembler,
a comment is emitted.
Fixed by setting Size to 0 and handling it in MCCodeEmitter - this
means the comment will still be emitted if integrated assembler
is not used.
This broke an ASan test, which has been disabled for a long time
as a result (see the discussion on D19657). We can reenable it
once this lands.
llvm-svn: 267943
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
0 files changed, 0 insertions, 0 deletions