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| author | David Majnemer <david.majnemer@gmail.com> | 2014-01-27 17:20:25 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-01-27 17:20:25 +0000 |
| commit | 0fd23cd6c240999baa6d34f48b8dce45bb2f3cc6 (patch) | |
| tree | b25dec392a84f045a48e0d1d78c511cc7f0fa908 /lib/MC/MCParser | |
| parent | bb0bb73da142c765506e2bcd18d68edbfb4e98e0 (diff) | |
| download | llvm-0fd23cd6c240999baa6d34f48b8dce45bb2f3cc6.tar.gz llvm-0fd23cd6c240999baa6d34f48b8dce45bb2f3cc6.tar.bz2 llvm-0fd23cd6c240999baa6d34f48b8dce45bb2f3cc6.tar.xz | |
MC: Add support for .cfi_startproc simple
This commit allows LLVM MC to process .cfi_startproc directives when
they are followed by an additional `simple' identifier. This signals to
elide the emission of target specific CFI instructions that would
normally occur initially.
This fixes PR16587.
Differential Revision: http://llvm-reviews.chandlerc.com/D2624
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200227 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCParser')
| -rw-r--r-- | lib/MC/MCParser/AsmParser.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp index a1d016261f..10f4fbb04e 100644 --- a/lib/MC/MCParser/AsmParser.cpp +++ b/lib/MC/MCParser/AsmParser.cpp @@ -2796,9 +2796,14 @@ bool AsmParser::parseDirectiveCFISections() { } /// parseDirectiveCFIStartProc -/// ::= .cfi_startproc +/// ::= .cfi_startproc [simple] bool AsmParser::parseDirectiveCFIStartProc() { - getStreamer().EmitCFIStartProc(); + StringRef Simple; + if (getLexer().isNot(AsmToken::EndOfStatement)) + if (parseIdentifier(Simple) || Simple != "simple") + return TokError("unexpected token in .cfi_startproc directive"); + + getStreamer().EmitCFIStartProc(!Simple.empty()); return false; } |