From: Dan Gohman <dan433584@gmail.com>
Date: Thu, 10 Dec 2015 14:12:04 +0000 (+0000)
Subject: [WebAssembly] Declare that WebAssemblyPeephole does not modify the CFG.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9e8e46050a35977bb5731e6698a21006424d54a7;p=oota-llvm.git

[WebAssembly] Declare that WebAssemblyPeephole does not modify the CFG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@255251 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/WebAssembly/WebAssemblyPeephole.cpp b/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
index 11f44775b5e..77514bbde7e 100644
--- a/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
+++ b/lib/Target/WebAssembly/WebAssemblyPeephole.cpp
@@ -26,6 +26,11 @@ class WebAssemblyPeephole final : public MachineFunctionPass {
     return "WebAssembly late peephole optimizer";
   }
 
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesCFG();
+    MachineFunctionPass::getAnalysisUsage(AU);
+  }
+
   bool runOnMachineFunction(MachineFunction &MF) override;
 
 public: