[PATCH] D110979: Re-apply the fix on DwarfEHPrepare and add a test

[Jameson Nash via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rGe8806d748643: Re-apply the fix on DwarfEHPrepare and add a test (authored by tkf, committed by vtjnash).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D110979/new/

https://reviews.llvm.org/D110979

Files:
  llvm/lib/CodeGen/DwarfEHPrepare.cpp
  llvm/test/CodeGen/X86/dwarf-eh-prepare.ll


Index: llvm/test/CodeGen/X86/dwarf-eh-prepare.ll
===================================================================
--- llvm/test/CodeGen/X86/dwarf-eh-prepare.ll
+++ llvm/test/CodeGen/X86/dwarf-eh-prepare.ll
@@ -1,4 +1,4 @@
-; RUN: opt -mtriple=x86_64-linux-gnu -dwarfehprepare -simplifycfg-require-and-preserve-domtree=1 < %s -S | FileCheck %s
+; RUN: opt -mtriple=x86_64-linux-gnu -dwarfehprepare -simplifycfg-require-and-preserve-domtree=1 -run-twice < %s -S | FileCheck %s
 
 ; Check basic functionality of IR-to-IR DWARF EH preparation. This should
 ; eliminate resumes. This pass requires a TargetMachine, so we put it under X86
Index: llvm/lib/CodeGen/DwarfEHPrepare.cpp
===================================================================
--- llvm/lib/CodeGen/DwarfEHPrepare.cpp
+++ llvm/lib/CodeGen/DwarfEHPrepare.cpp
@@ -318,6 +318,11 @@
     return prepareDwarfEH(OptLevel, RewindFunction, F, TLI, DT, TTI);
   }
 
+  bool doFinalization(Module &M) override {
+    RewindFunction = nullptr;
+    return false;
+  }
+
   void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.addRequired<TargetPassConfig>();
     AU.addRequired<TargetTransformInfoWrapperPass>();


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