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author | Chris Lattner <sabre@nondot.org> | 2007-04-28 01:02:58 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2007-04-28 01:02:58 +0000 |
commit | 73d0d0d4b8b93e8101e0a0aa283f694be341da6c (patch) | |
tree | ed8d0558e67d71d4c97d860e9dcc1f89afca4cab /lib/VMCore/InlineAsm.cpp | |
parent | 9bc1464094b7b6fc9e832b6753a591158829b0a6 (diff) | |
download | external_llvm-73d0d0d4b8b93e8101e0a0aa283f694be341da6c.zip external_llvm-73d0d0d4b8b93e8101e0a0aa283f694be341da6c.tar.gz external_llvm-73d0d0d4b8b93e8101e0a0aa283f694be341da6c.tar.bz2 |
represent indirect operands explicitly in inline asm strings.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36522 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/InlineAsm.cpp')
-rw-r--r-- | lib/VMCore/InlineAsm.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/VMCore/InlineAsm.cpp b/lib/VMCore/InlineAsm.cpp index 5f05137..ca4ecad 100644 --- a/lib/VMCore/InlineAsm.cpp +++ b/lib/VMCore/InlineAsm.cpp @@ -55,21 +55,22 @@ bool InlineAsm::ConstraintInfo::Parse(const std::string &Str, // Initialize Type = isInput; isEarlyClobber = false; - isIndirectOutput = false; hasMatchingInput = false; isCommutative = false; + isIndirect = false; - // Parse the prefix. + // Parse prefixes. if (*I == '~') { Type = isClobber; ++I; } else if (*I == '=') { ++I; Type = isOutput; - if (I != E && *I == '=') { - isIndirectOutput = true; - ++I; - } + } + + if (*I == '*') { + isIndirect = true; + ++I; } if (I == E) return true; // Just a prefix, like "==" or "~". @@ -184,12 +185,12 @@ bool InlineAsm::Verify(const FunctionType *Ty, const std::string &ConstStr) { for (unsigned i = 0, e = Constraints.size(); i != e; ++i) { switch (Constraints[i].Type) { case InlineAsm::isOutput: - if (!Constraints[i].isIndirectOutput) { + if (!Constraints[i].isIndirect) { if (NumInputs || NumClobbers) return false; // outputs come first. ++NumOutputs; break; } - // FALLTHROUGH for IndirectOutputs. + // FALLTHROUGH for Indirect Outputs. case InlineAsm::isInput: if (NumClobbers) return false; // inputs before clobbers. ++NumInputs; |