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-rw-r--r--llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
index 4d58339..2e4ed62 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
@@ -204,6 +204,9 @@ void WebAssemblyPassConfig::addPostRegAlloc() {
void WebAssemblyPassConfig::addPreEmitPass() {
TargetPassConfig::addPreEmitPass();
+ // Eliminate multiple-entry loops.
+ addPass(createWebAssemblyFixIrreducibleControlFlow());
+
// Put the CFG in structured form; insert BLOCK and LOOP markers.
addPass(createWebAssemblyCFGStackify());