diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-07 00:32:25 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-07-07 00:32:25 +0000 |
| commit | 4b76ffc1ffca2ed016467e916d5223515b485592 (patch) | |
| tree | 79ffbfbecf7d39d3b8789af4953e194fe1c7963d /lib/CodeGen/SimpleRegisterCoalescing.cpp | |
| parent | 78dfbc380d685c59b9321e43c10677a179850e29 (diff) | |
Revert "Remove references to INSERT_SUBREG after de-SSA" r107725.
Buildbot breakage.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107744 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SimpleRegisterCoalescing.cpp')
| -rw-r--r-- | lib/CodeGen/SimpleRegisterCoalescing.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp index 73db174117..e0b9f0c10f 100644 --- a/lib/CodeGen/SimpleRegisterCoalescing.cpp +++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp @@ -1523,7 +1523,12 @@ void SimpleRegisterCoalescing::CopyCoalesceInMBB(MachineBasicBlock *MBB, if (Inst->isCopy() || Inst->isExtractSubreg()) { DstReg = Inst->getOperand(0).getReg(); SrcReg = Inst->getOperand(1).getReg(); - } else if (Inst->isSubregToReg()) { + } else if (Inst->isInsertSubreg()) { + DstReg = Inst->getOperand(0).getReg(); + SrcReg = Inst->getOperand(2).getReg(); + if (Inst->getOperand(1).isUndef()) + isInsUndef = true; + } else if (Inst->isInsertSubreg() || Inst->isSubregToReg()) { DstReg = Inst->getOperand(0).getReg(); SrcReg = Inst->getOperand(2).getReg(); } else if (!tii_->isMoveInstr(*Inst, SrcReg, DstReg, SrcSubIdx, DstSubIdx)) |