diff options
Diffstat (limited to 'lib/Target/WebAssembly/WebAssemblyRegStackify.cpp')
| -rw-r--r-- | lib/Target/WebAssembly/WebAssemblyRegStackify.cpp | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp b/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp index 6650191807dc..ea9e3fa862ce 100644 --- a/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp +++ b/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp @@ -170,28 +170,16 @@ static void Query(const MachineInstr &MI, AliasAnalysis &AA, bool &Read, if (MI.mayStore()) { Write = true; - const MachineFunction &MF = *MI.getParent()->getParent(); - if (MF.getSubtarget<WebAssemblySubtarget>() - .getTargetTriple().isOSBinFormatELF()) { - // Check for stores to __stack_pointer. - for (auto MMO : MI.memoperands()) { - const MachinePointerInfo &MPI = MMO->getPointerInfo(); - if (MPI.V.is<const PseudoSourceValue *>()) { - auto PSV = MPI.V.get<const PseudoSourceValue *>(); - if (const ExternalSymbolPseudoSourceValue *EPSV = - dyn_cast<ExternalSymbolPseudoSourceValue>(PSV)) - if (StringRef(EPSV->getSymbol()) == "__stack_pointer") - StackPointer = true; - } - } - } else { - // Check for sets of the stack pointer. - const MachineModuleInfoWasm &MMIW = - MF.getMMI().getObjFileInfo<MachineModuleInfoWasm>(); - if ((MI.getOpcode() == WebAssembly::SET_LOCAL_I32 || - MI.getOpcode() == WebAssembly::SET_LOCAL_I64) && - MI.getOperand(0).getImm() == MMIW.getStackPointerGlobal()) { - StackPointer = true; + // Check for stores to __stack_pointer. + for (auto MMO : MI.memoperands()) { + const MachinePointerInfo &MPI = MMO->getPointerInfo(); + if (MPI.V.is<const PseudoSourceValue *>()) { + auto PSV = MPI.V.get<const PseudoSourceValue *>(); + if (const ExternalSymbolPseudoSourceValue *EPSV = + dyn_cast<ExternalSymbolPseudoSourceValue>(PSV)) + if (StringRef(EPSV->getSymbol()) == "__stack_pointer") { + StackPointer = true; + } } } } else if (MI.hasOrderedMemoryRef()) { |