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| author | Akira Hatanaka <ahatanaka@apple.com> | 2014-11-03 20:37:04 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@apple.com> | 2014-11-03 20:37:04 +0000 |
| commit | b96153481854dd26e03c9b16cea72fcc5492d03e (patch) | |
| tree | 88ee5389b22b78cbc5073d0cf5ee45fb0c20c874 /llvm/lib | |
| parent | 94add6bb6ff6cd995dbea423299d8f9b42a37cfe (diff) | |
| download | bcm5719-llvm-b96153481854dd26e03c9b16cea72fcc5492d03e.tar.gz bcm5719-llvm-b96153481854dd26e03c9b16cea72fcc5492d03e.zip | |
[ARM, inline-asm] Fix ARMTargetLowering::getRegForInlineAsmConstraint to return
register class tGPRRegClass if the target is thumb1.
This commit fixes a crash that occurs during register allocation which was
triggered when a virtual register defined by an inline-asm instruction had to
be spilled.
rdar://problem/18740489
llvm-svn: 221178
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index eb444d57cff..fd46a015b79 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -10557,6 +10557,8 @@ ARMTargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint, return RCPair(0U, &ARM::hGPRRegClass); break; case 'r': + if (Subtarget->isThumb1Only()) + return RCPair(0U, &ARM::tGPRRegClass); return RCPair(0U, &ARM::GPRRegClass); case 'w': if (VT == MVT::Other) |
