diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp | 39 |
1 files changed, 1 insertions, 38 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp index 9f9cc7d7c9e..b9ac2657e1c 100644 --- a/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp +++ b/llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp @@ -4091,7 +4091,7 @@ bool AArch64InstructionSelector::selectIntrinsic( switch (IntrinID) { default: break; - case Intrinsic::aarch64_crypto_sha1h: { + case Intrinsic::aarch64_crypto_sha1h: Register DstReg = I.getOperand(0).getReg(); Register SrcReg = I.getOperand(2).getReg(); @@ -4130,43 +4130,6 @@ bool AArch64InstructionSelector::selectIntrinsic( I.eraseFromParent(); return true; } - case Intrinsic::frameaddress: - case Intrinsic::returnaddress: { - MachineFunction &MF = *I.getParent()->getParent(); - MachineFrameInfo &MFI = MF.getFrameInfo(); - - unsigned Depth = I.getOperand(2).getImm(); - Register DstReg = I.getOperand(0).getReg(); - RBI.constrainGenericRegister(DstReg, AArch64::GPR64RegClass, MRI); - - if (Depth == 0 && IntrinID == Intrinsic::returnaddress) { - MFI.setReturnAddressIsTaken(true); - MF.addLiveIn(AArch64::LR, &AArch64::GPR64RegClass); - I.getParent()->addLiveIn(AArch64::LR); - MIRBuilder.buildCopy({DstReg}, {Register(AArch64::LR)}); - I.eraseFromParent(); - return true; - } - - MFI.setFrameAddressIsTaken(true); - Register FrameAddr(AArch64::FP); - while (Depth--) { - Register NextFrame = MRI.createVirtualRegister(&AArch64::GPR64RegClass); - MIRBuilder.buildInstr(AArch64::LDRXui, {NextFrame}, {FrameAddr}).addImm(0); - FrameAddr = NextFrame; - } - - if (IntrinID == Intrinsic::frameaddress) - MIRBuilder.buildCopy({DstReg}, {FrameAddr}); - else { - MFI.setReturnAddressIsTaken(true); - MIRBuilder.buildInstr(AArch64::LDRXui, {DstReg}, {FrameAddr}).addImm(1); - } - - I.eraseFromParent(); - return true; - } - } return false; } |