diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp index 4edd546..002246a 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyUtilities.cpp @@ -64,6 +64,8 @@ bool WebAssembly::isCopy(const MachineInstr &MI) { case WebAssembly::COPY_F64_S: case WebAssembly::COPY_V128: case WebAssembly::COPY_V128_S: + case WebAssembly::COPY_EXCEPT_REF: + case WebAssembly::COPY_EXCEPT_REF_S: return true; default: return false; @@ -266,5 +268,8 @@ bool WebAssembly::mayThrow(const MachineInstr &MI) { if (F->getName() == CxaBeginCatchFn || F->getName() == PersonalityWrapperFn || F->getName() == ClangCallTerminateFn || F->getName() == StdTerminateFn) return false; + + // TODO Can we exclude call instructions that are marked as 'nounwind' in the + // original LLVm IR? (Even when the callee may throw) return true; } |