From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 07:43:14 +0200
Subject: Merging upstream version 127.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 js/src/jit/Ion.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'js/src/jit/Ion.cpp')

diff --git a/js/src/jit/Ion.cpp b/js/src/jit/Ion.cpp
index e209ace846..03965d3d60 100644
--- a/js/src/jit/Ion.cpp
+++ b/js/src/jit/Ion.cpp
@@ -20,6 +20,7 @@
 #include "jit/BacktrackingAllocator.h"
 #include "jit/BaselineFrame.h"
 #include "jit/BaselineJIT.h"
+#include "jit/BranchHinting.h"
 #include "jit/CodeGenerator.h"
 #include "jit/CompileInfo.h"
 #include "jit/EdgeCaseAnalysis.h"
@@ -1223,6 +1224,19 @@ bool OptimizeMIR(MIRGenerator* mir) {
     }
   }
 
+  if (mir->branchHintingEnabled()) {
+    JitSpewCont(JitSpew_BranchHint, "\n");
+    if (!BranchHinting(mir, graph)) {
+      return false;
+    }
+    gs.spewPass("BranchHinting");
+    AssertBasicGraphCoherency(graph);
+
+    if (mir->shouldCancel("BranchHinting")) {
+      return false;
+    }
+  }
+
   // LICM can hoist instructions from conditional branches and
   // trigger bailouts. Disable it if bailing out of a hoisted
   // instruction has previously invalidated this script.
-- 
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