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| author | David Majnemer <david.majnemer@gmail.com> | 2015-01-11 09:57:13 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2015-01-11 09:57:13 +0000 |
| commit | 55164f901b04a0c06a9d63a582525a115984fb42 (patch) | |
| tree | 3dbd18553e11df9fdf3e4383be951eb917d712f4 /clang/lib/Basic/TargetInfo.cpp | |
| parent | e38b24a72bf5d6b9ee3f4b43154f44c2d14a1873 (diff) | |
| download | bcm5719-llvm-55164f901b04a0c06a9d63a582525a115984fb42.tar.gz bcm5719-llvm-55164f901b04a0c06a9d63a582525a115984fb42.zip | |
Basic: [asmSymbolicName] follows the same rule as numbers in asm inputs
Input constraints like "0" and "[foo]" should be treated the same when
it comes to their corresponding output constraint.
This fixes PR21850.
llvm-svn: 225605
Diffstat (limited to 'clang/lib/Basic/TargetInfo.cpp')
| -rw-r--r-- | clang/lib/Basic/TargetInfo.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp index 15b8c83d1b3..535c87ec115 100644 --- a/clang/lib/Basic/TargetInfo.cpp +++ b/clang/lib/Basic/TargetInfo.cpp @@ -583,6 +583,10 @@ bool TargetInfo::validateInputConstraint(ConstraintInfo *OutputConstraints, if (Info.hasTiedOperand() && Info.getTiedOperand() != Index) return false; + // A number must refer to an output only operand. + if (OutputConstraints[Index].isReadWrite()) + return false; + Info.setTiedOperand(Index, OutputConstraints[Index]); break; } |
