1 files changed, 12 insertions, 14 deletions
diff --git a/lib/Target/WebAssembly/WebAssemblyPeephole.cpp b/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
index d2fbc5a22308..a54484407805 100644
--- a/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
@@ -8,7 +8,7 @@
 //===----------------------------------------------------------------------===//
 ///
 /// \file
-/// \brief Late peephole optimizations for WebAssembly.
+/// Late peephole optimizations for WebAssembly.
 ///
 //===----------------------------------------------------------------------===//
 
@@ -50,6 +50,9 @@ public:
 } // end anonymous namespace
 
 char WebAssemblyPeephole::ID = 0;
+INITIALIZE_PASS(WebAssemblyPeephole, DEBUG_TYPE,
+                "WebAssembly peephole optimizations", false, false)
+
 FunctionPass *llvm::createWebAssemblyPeephole() {
   return new WebAssemblyPeephole();
 }
@@ -80,18 +83,13 @@ static bool MaybeRewriteToFallthrough(MachineInstr &MI, MachineBasicBlock &MBB,
     return false;
   if (&MBB != &MF.back())
     return false;
-  if (MF.getSubtarget<WebAssemblySubtarget>()
-        .getTargetTriple().isOSBinFormatELF()) {
-    if (&MI != &MBB.back())
-      return false;
-  } else {
-    MachineBasicBlock::iterator End = MBB.end();
-    --End;
-    assert(End->getOpcode() == WebAssembly::END_FUNCTION);
-    --End;
-    if (&MI != &*End)
-      return false;
-  }
+
+  MachineBasicBlock::iterator End = MBB.end();
+  --End;
+  assert(End->getOpcode() == WebAssembly::END_FUNCTION);
+  --End;
+  if (&MI != &*End)
+    return false;
 
   if (FallthroughOpc != WebAssembly::FALLTHROUGH_RETURN_VOID) {
     // If the operand isn't stackified, insert a COPY to read the operand and
@@ -113,7 +111,7 @@ static bool MaybeRewriteToFallthrough(MachineInstr &MI, MachineBasicBlock &MBB,
 }
 
 bool WebAssemblyPeephole::runOnMachineFunction(MachineFunction &MF) {
-  DEBUG({
+  LLVM_DEBUG({
     dbgs() << "********** Peephole **********\n"
            << "********** Function: " << MF.getName() << '\n';
   });