1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
index 60bb8eb..95cf008 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
@@ -159,8 +159,14 @@ void WebAssemblyPassConfig::addPostRegAlloc() {
   disablePass(&PrologEpilogCodeInserterID);
   // Fails with: should be run after register allocation.
   disablePass(&MachineCopyPropagationID);
+
+  // TODO: Until we get ReverseBranchCondition support, MachineBlockPlacement
+  // can create ugly-looking control flow.
+  disablePass(&MachineBlockPlacementID);
 }
 
 void WebAssemblyPassConfig::addPreSched2() {}
 
-void WebAssemblyPassConfig::addPreEmitPass() {}
+void WebAssemblyPassConfig::addPreEmitPass() {
+  addPass(createWebAssemblyCFGStackify());
+}