diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp index 6b20946..d2a3557 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp @@ -848,7 +848,7 @@ bool WebAssemblyCFGStackify::fixUnwindMismatches(MachineFunction &MF) { SmallVector<const MachineBasicBlock *, 8> EHPadStack; // Range of intructions to be wrapped in a new nested try/catch using TryRange = std::pair<MachineInstr *, MachineInstr *>; - // In original CFG, <unwind destionation BB, a vector of try ranges> + // In original CFG, <unwind destination BB, a vector of try ranges> DenseMap<MachineBasicBlock *, SmallVector<TryRange, 4>> UnwindDestToTryRanges; // In new CFG, <destination to branch to, a vector of try ranges> DenseMap<MachineBasicBlock *, SmallVector<TryRange, 4>> BrDestToTryRanges; @@ -985,7 +985,7 @@ bool WebAssemblyCFGStackify::fixUnwindMismatches(MachineFunction &MF) { // ... // cont: for (auto &P : UnwindDestToTryRanges) { - NumUnwindMismatches++; + NumUnwindMismatches += P.second.size(); // This means the destination is the appendix BB, which was separately // handled above. @@ -1300,7 +1300,9 @@ void WebAssemblyCFGStackify::placeMarkers(MachineFunction &MF) { } } // Fix mismatches in unwind destinations induced by linearizing the code. - fixUnwindMismatches(MF); + if (MCAI->getExceptionHandlingType() == ExceptionHandling::Wasm && + MF.getFunction().hasPersonalityFn()) + fixUnwindMismatches(MF); } void WebAssemblyCFGStackify::rewriteDepthImmediates(MachineFunction &MF) { |