diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 11 | ||||
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrThumb.td | 7 |
2 files changed, 10 insertions, 8 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 7d89319b19a..12f32472461 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -8594,16 +8594,11 @@ ARMTargetLowering::EmitLowered__dbzchk(MachineInstr &MI, std::next(MachineBasicBlock::iterator(MI)), MBB->end()); ContBB->transferSuccessorsAndUpdatePHIs(MBB); - MachineBasicBlock *TrapBB = MF->CreateMachineBasicBlock(); - MF->push_back(TrapBB); - BuildMI(TrapBB, DL, TII->get(ARM::t2UDF)).addImm(249); - MBB->addSuccessor(TrapBB); - - BuildMI(*MBB, MI, DL, TII->get(ARM::tCBZ)) + BuildMI(*MBB, MI, DL, TII->get(ARM::tCBNZ)) .addReg(MI.getOperand(0).getReg()) - .addMBB(TrapBB); - AddDefaultPred(BuildMI(*MBB, MI, DL, TII->get(ARM::t2B)).addMBB(ContBB)); + .addMBB(ContBB); MBB->addSuccessor(ContBB); + BuildMI(*MBB, MI, DL, TII->get(ARM::t__brkdiv0)); MI.eraseFromParent(); return ContBB; diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td index 72623a45034..1ae9c51b771 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb.td +++ b/llvm/lib/Target/ARM/ARMInstrThumb.td @@ -1261,6 +1261,13 @@ def tUDF : TI<(outs), (ins imm0_255:$imm8), IIC_Br, "udf\t$imm8", let Inst{7-0} = imm8; } +def t__brkdiv0 : TI<(outs), (ins), IIC_Br, "__brkdiv0", + [(int_arm_undefined 249)]>, Encoding16, + Requires<[IsThumb, IsWindows]> { + let Inst = 0xdef9; + let isTerminator = 1; +} + // Zero-extend byte def tUXTB : // A8.6.262 T1pIMiscEncode<{0,0,1,0,1,1,?}, (outs tGPR:$Rd), (ins tGPR:$Rm), |
