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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-12 23:37:40 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-10-12 23:37:40 +0000 |
| commit | dee83c90bb7bda57f6d0db2d8f9138f411ecdbbc (patch) | |
| tree | 25851371dd3e09559dbaa1b95952292401bdab38 /lib/CodeGen | |
| parent | f5916976e9057177100badee7b7388bd7ba76ac3 (diff) | |
| download | llvm-dee83c90bb7bda57f6d0db2d8f9138f411ecdbbc.tar.gz llvm-dee83c90bb7bda57f6d0db2d8f9138f411ecdbbc.tar.bz2 llvm-dee83c90bb7bda57f6d0db2d8f9138f411ecdbbc.tar.xz | |
Also inflate register classes around inline asm.
Now that MI->getRegClassConstraint() can also handle inline assembly,
don't bail when recomputing the register class of a virtual register
used by inline asm.
This fixes PR11078.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141836 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index 97d9d0f922..266ebf64a3 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -79,11 +79,8 @@ MachineRegisterInfo::recomputeRegClass(unsigned Reg, const TargetMachine &TM) { // TRI doesn't have accurate enough information to model this yet. if (I.getOperand().getSubReg()) return false; - // Inline asm instuctions don't remember their constraints. - if (I->isInlineAsm()) - return false; const TargetRegisterClass *OpRC = - TII->getRegClass(I->getDesc(), I.getOperandNo(), TRI); + I->getRegClassConstraint(I.getOperandNo(), TII, TRI); if (OpRC) NewRC = TRI->getCommonSubClass(NewRC, OpRC); if (!NewRC || NewRC == OldRC) |