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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2010-03-12 13:54:59 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2010-03-12 13:54:59 +0000 |
| commit | 018cbd5ddf11a0bbab48cc2a374148bdfce9a9e2 (patch) | |
| tree | 6b4654e47c29eb100660e0066df3e44f64d61b10 /lib/Target | |
| parent | bb2f0c541c1bcf05131b66e4aa036229fc5f068b (diff) | |
| download | external_llvm-018cbd5ddf11a0bbab48cc2a374148bdfce9a9e2.zip external_llvm-018cbd5ddf11a0bbab48cc2a374148bdfce9a9e2.tar.gz external_llvm-018cbd5ddf11a0bbab48cc2a374148bdfce9a9e2.tar.bz2 | |
Use StringRef::substr instead of std::string::substr to avoid using a free'd
string temporary. This should fix PR6590.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98349 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index fc30b13..8c09eec 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -9837,7 +9837,8 @@ bool X86TargetLowering::ExpandInlineAsm(CallInst *CI) const { AsmPieces[2] == "${0:w}" && IA->getConstraintString().compare(0, 5, "=r,0,") == 0) { AsmPieces.clear(); - SplitString(IA->getConstraintString().substr(5), AsmPieces, ","); + const std::string &Constraints = IA->getConstraintString(); + SplitString(StringRef(Constraints).substr(5), AsmPieces, ","); std::sort(AsmPieces.begin(), AsmPieces.end()); if (AsmPieces.size() == 4 && AsmPieces[0] == "~{cc}" && |