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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2014-02-20 13:36:32 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2014-02-20 13:36:32 +0000 |
| commit | 59f6c76703a5a85b53a6192f7c28b85fe69ab07e (patch) | |
| tree | 752f8a401bdc9e5b196d95f4861802510ab937e5 /lib/MC/MCParser | |
| parent | 7934a2a9f1d8d8dc220f5b25a303a770306d51d1 (diff) | |
| download | llvm-59f6c76703a5a85b53a6192f7c28b85fe69ab07e.tar.gz llvm-59f6c76703a5a85b53a6192f7c28b85fe69ab07e.tar.bz2 llvm-59f6c76703a5a85b53a6192f7c28b85fe69ab07e.tar.xz | |
AsmParser: Disable Darwin-style macro argument expansion on non-darwin targets.
There is code in the wild that relies on $0 not being expanded.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201784 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCParser')
| -rw-r--r-- | lib/MC/MCParser/AsmParser.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp index f73e56ade2..c4dfc75c6d 100644 --- a/lib/MC/MCParser/AsmParser.cpp +++ b/lib/MC/MCParser/AsmParser.cpp @@ -1730,7 +1730,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body, ArrayRef<MCAsmMacroParameter> Parameters, ArrayRef<MCAsmMacroArgument> A, const SMLoc &L) { unsigned NParameters = Parameters.size(); - if (NParameters != 0 && NParameters != A.size()) + if ((!IsDarwin || NParameters != 0) && NParameters != A.size()) return Error(L, "Wrong number of arguments"); // A macro without parameters is handled differently on Darwin: @@ -1740,7 +1740,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body, std::size_t End = Body.size(), Pos = 0; for (; Pos != End; ++Pos) { // Check for a substitution or escape. - if (!NParameters) { + if (IsDarwin && !NParameters) { // This macro has no parameters, look for $0, $1, etc. if (Body[Pos] != '$' || Pos + 1 == End) continue; @@ -1763,7 +1763,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body, if (Pos == End) break; - if (!NParameters) { + if (IsDarwin && !NParameters) { switch (Body[Pos + 1]) { // $$ => $ case '$': |