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author | Eric Christopher <echristo@apple.com> | 2011-07-14 20:13:52 +0000 |
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committer | Eric Christopher <echristo@apple.com> | 2011-07-14 20:13:52 +0000 |
commit | 5427edeb68d653ced860ed14f83848ebbb01b64b (patch) | |
tree | b01308b66fc14e73a28e086772afbe5487869674 /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
parent | c83d504085c17697f2a24d0a9fbad4503105ec41 (diff) | |
download | llvm-5427edeb68d653ced860ed14f83848ebbb01b64b.tar.gz llvm-5427edeb68d653ced860ed14f83848ebbb01b64b.tar.bz2 llvm-5427edeb68d653ced860ed14f83848ebbb01b64b.tar.xz |
Check register class matching instead of width of type matching
when determining validity of matching constraint. Allow i1
types access to the GR8 reg class for x86.
Fixes PR10352 and rdar://9777108
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135180 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 4a7afe475e..2626ac3bbb 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -2966,10 +2966,13 @@ TargetLowering::AsmOperandInfoVector TargetLowering::ParseConstraints( AsmOperandInfo &Input = ConstraintOperands[OpInfo.MatchingInput]; if (OpInfo.ConstraintVT != Input.ConstraintVT) { + std::pair<unsigned, const TargetRegisterClass*> MatchRC = + getRegForInlineAsmConstraint(OpInfo.ConstraintCode, OpInfo.ConstraintVT); + std::pair<unsigned, const TargetRegisterClass*> InputRC = + getRegForInlineAsmConstraint(Input.ConstraintCode, Input.ConstraintVT); if ((OpInfo.ConstraintVT.isInteger() != Input.ConstraintVT.isInteger()) || - (OpInfo.ConstraintVT.getSizeInBits() != - Input.ConstraintVT.getSizeInBits())) { + (MatchRC.second != InputRC.second)) { report_fatal_error("Unsupported asm: input constraint" " with a matching output constraint of" " incompatible type!"); |