diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td index 86ed5eff955..e85aa57efc4 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td +++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrAtomics.td @@ -887,3 +887,13 @@ defm : TerRMWTruncExtPattern< ATOMIC_RMW8_U_CMPXCHG_I32, ATOMIC_RMW16_U_CMPXCHG_I32, ATOMIC_RMW8_U_CMPXCHG_I64, ATOMIC_RMW16_U_CMPXCHG_I64, ATOMIC_RMW32_U_CMPXCHG_I64>; + +//===----------------------------------------------------------------------===// +// Atomic fences +//===----------------------------------------------------------------------===// + +// A compiler fence instruction that prevents reordering of instructions. +let Defs = [ARGUMENTS] in { +let isPseudo = 1, hasSideEffects = 1 in +defm COMPILER_FENCE : ATOMIC_NRI<(outs), (ins), [], "compiler_fence">; +} // Defs = [ARGUMENTS] |
