diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp index 0835ff3..923448df 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp @@ -99,7 +99,6 @@ bool WebAssemblyFrameLowering::needsSPWriteback( static void writeSPToMemory(unsigned SrcReg, MachineFunction &MF, MachineBasicBlock &MBB, - MachineBasicBlock::iterator &InsertAddr, MachineBasicBlock::iterator &InsertStore, const DebugLoc &DL) { const auto *TII = MF.getSubtarget<WebAssemblySubtarget>().getInstrInfo(); @@ -121,7 +120,7 @@ WebAssemblyFrameLowering::eliminateCallFramePseudoInstr( if (I->getOpcode() == TII->getCallFrameDestroyOpcode() && needsSPWriteback(MF, MF.getFrameInfo())) { DebugLoc DL = I->getDebugLoc(); - writeSPToMemory(WebAssembly::SP32, MF, MBB, I, I, DL); + writeSPToMemory(WebAssembly::SP32, MF, MBB, I, DL); } return MBB.erase(I); } @@ -194,7 +193,7 @@ void WebAssemblyFrameLowering::emitPrologue(MachineFunction &MF, .addReg(WebAssembly::SP32); } if (StackSize && needsSPWriteback(MF, MFI)) { - writeSPToMemory(WebAssembly::SP32, MF, MBB, InsertPt, InsertPt, DL); + writeSPToMemory(WebAssembly::SP32, MF, MBB, InsertPt, DL); } } @@ -214,7 +213,6 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF, // Restore the stack pointer. If we had fixed-size locals, add the offset // subtracted in the prolog. unsigned SPReg = 0; - MachineBasicBlock::iterator InsertAddr = InsertPt; if (hasBP(MF)) { auto FI = MF.getInfo<WebAssemblyFunctionInfo>(); SPReg = FI->getBasePointerVreg(); @@ -222,9 +220,8 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF, const TargetRegisterClass *PtrRC = MRI.getTargetRegisterInfo()->getPointerRegClass(MF); unsigned OffsetReg = MRI.createVirtualRegister(PtrRC); - InsertAddr = - BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) - .addImm(StackSize); + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) + .addImm(StackSize); // In the epilog we don't need to write the result back to the SP32 physreg // because it won't be used again. We can use a stackified register instead. SPReg = MRI.createVirtualRegister(PtrRC); @@ -235,5 +232,5 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF, SPReg = hasFP(MF) ? WebAssembly::FP32 : WebAssembly::SP32; } - writeSPToMemory(SPReg, MF, MBB, InsertAddr, InsertPt, DL); + writeSPToMemory(SPReg, MF, MBB, InsertPt, DL); } |