diff options
Diffstat (limited to 'lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp')
-rw-r--r-- | lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp b/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp index 41249117ae0..e2edb924d4d 100644 --- a/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp +++ b/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp @@ -294,6 +294,17 @@ bool WebAssemblyExplicitLocals::runOnMachineFunction(MachineFunction &MF) { unsigned OldReg = MO.getReg(); + // Inline asm may have a def in the middle of the operands. Our contract + // with inline asm register operands is to provide local indices as + // immediates. + if (MO.isDef()) { + assert(MI.getOpcode() == TargetOpcode::INLINEASM); + unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg); + MRI.removeRegOperandFromUseList(&MO); + MO = MachineOperand::CreateImm(LocalId); + continue; + } + // If we see a stackified register, prepare to insert subsequent // get_locals before the start of its tree. if (MFI.isVRegStackified(OldReg)) { @@ -301,6 +312,15 @@ bool WebAssemblyExplicitLocals::runOnMachineFunction(MachineFunction &MF) { continue; } + // Our contract with inline asm register operands is to provide local + // indices as immediates. + if (MI.getOpcode() == TargetOpcode::INLINEASM) { + unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg); + MRI.removeRegOperandFromUseList(&MO); + MO = MachineOperand::CreateImm(LocalId); + continue; + } + // Insert a get_local. unsigned LocalId = getLocalId(Reg2Local, CurLocal, OldReg); const TargetRegisterClass *RC = MRI.getRegClass(OldReg); |