diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp index 8b25285ad0d..4209bc333f2 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.cpp @@ -192,7 +192,16 @@ void WebAssemblyFrameLowering::emitPrologue(MachineFunction &MF, auto &MMIW = MF.getMMI().getObjFileInfo<MachineModuleInfoWasm>(); if (!MMIW.hasStackPointerGlobal()) { MMIW.setStackPointerGlobal(MMIW.getGlobals().size()); - MMIW.addGlobal(MVT::i32); + + // Create the stack-pointer global. For now, just use the + // Emscripten/Binaryen ABI names. + wasm::Global G; + G.Type = wasm::ValType::I32; + G.Mutable = true; + G.InitialValue = 0; + G.InitialModule = "env"; + G.InitialName = "STACKTOP"; + MMIW.addGlobal(G); } BuildMI(MBB, InsertPt, DL, TII->get(WebAssembly::GET_GLOBAL_I32), SPReg) .addImm(MMIW.getStackPointerGlobal()); |