diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp index bba4f31..27274c0 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp @@ -99,9 +99,9 @@ void WebAssemblyFrameLowering::emitPrologue(MachineFunction &MF, // Load the SP value. BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::LOAD_I32), StackSize ? SPReg : (unsigned)WebAssembly::SP32) - .addImm(0) // offset - .addReg(SPReg) // addr - .addImm(2) // p2align + .addImm(0) // offset + .addReg(SPReg) // addr + .addImm(2) // p2align .addMemOperand(LoadMMO); unsigned OffsetReg = 0; @@ -110,8 +110,7 @@ void WebAssemblyFrameLowering::emitPrologue(MachineFunction &MF, OffsetReg = MRI.createVirtualRegister(&WebAssembly::I32RegClass); BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) .addImm(StackSize); - BuildMI(MBB, InsertPt, DL, - TII->get(WebAssembly::SUB_I32), + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::SUB_I32), WebAssembly::SP32) .addReg(SPReg) .addReg(OffsetReg); @@ -126,17 +125,18 @@ void WebAssemblyFrameLowering::emitPrologue(MachineFunction &MF, } if (StackSize) { assert(OffsetReg); - // The SP32 register now has the new stacktop. Also write it back to memory. - BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) - .addExternalSymbol(SPSymbol); - auto *MMO = new MachineMemOperand(MachinePointerInfo(), - MachineMemOperand::MOStore, 4, 4); - BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::STORE_I32), WebAssembly::SP32) - .addImm(0) - .addReg(OffsetReg) - .addImm(2) // p2align - .addReg(WebAssembly::SP32) - .addMemOperand(MMO); + // The SP32 register now has the new stacktop. Also write it back to memory. + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) + .addExternalSymbol(SPSymbol); + auto *MMO = new MachineMemOperand(MachinePointerInfo(), + MachineMemOperand::MOStore, 4, 4); + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::STORE_I32), + WebAssembly::SP32) + .addImm(0) + .addReg(OffsetReg) + .addImm(2) // p2align + .addReg(WebAssembly::SP32) + .addMemOperand(MMO); } } @@ -160,7 +160,8 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF, if (StackSize) { BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::CONST_I32), OffsetReg) .addImm(StackSize); - BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::ADD_I32), WebAssembly::SP32) + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::ADD_I32), + WebAssembly::SP32) .addReg(hasFP(MF) ? WebAssembly::FP32 : WebAssembly::SP32) .addReg(OffsetReg); } @@ -171,10 +172,11 @@ void WebAssemblyFrameLowering::emitEpilogue(MachineFunction &MF, .addExternalSymbol(SPSymbol); auto *MMO = new MachineMemOperand(MachinePointerInfo(), MachineMemOperand::MOStore, 4, 4); - BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::STORE_I32), WebAssembly::SP32) + BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::STORE_I32), + WebAssembly::SP32) .addImm(0) .addReg(OffsetReg) - .addImm(2) // p2align + .addImm(2) // p2align .addReg((!StackSize && hasFP(MF)) ? WebAssembly::FP32 : WebAssembly::SP32) .addMemOperand(MMO); } |