diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp index 7c10f022cbb..1cc688599a9 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp @@ -58,6 +58,7 @@ extern "C" void LLVMInitializeWebAssemblyTarget() { initializeOptimizeReturnedPass(PR); initializeWebAssemblyArgumentMovePass(PR); initializeWebAssemblySetP2AlignOperandsPass(PR); + initializeWebAssemblyEHRestoreStackPointerPass(PR); initializeWebAssemblyReplacePhysRegsPass(PR); initializeWebAssemblyPrepareForLiveIntervalsPass(PR); initializeWebAssemblyOptimizeLiveIntervalsPass(PR); @@ -280,6 +281,9 @@ void WebAssemblyPassConfig::addPostRegAlloc() { void WebAssemblyPassConfig::addPreEmitPass() { TargetPassConfig::addPreEmitPass(); + // Restore __stack_pointer global after an exception is thrown. + addPass(createWebAssemblyEHRestoreStackPointer()); + // Now that we have a prologue and epilogue and all frame indices are // rewritten, eliminate SP and FP. This allows them to be stackified, // colored, and numbered with the rest of the registers. |
