From 54c4735db3f973a85bc73e0a231f00ab18762c54 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Tue, 30 Aug 2011 21:11:06 +0000
Subject: [PATCH] Speculatively revert r138809 in an attempt to fix DragonEgg.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138829 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../Scalar/DeadStoreElimination.cpp           |  3 +--
 .../2011-08-30-EndOfFunction.ll               | 27 -------------------
 2 files changed, 1 insertion(+), 29 deletions(-)

diff --git a/lib/Transforms/Scalar/DeadStoreElimination.cpp b/lib/Transforms/Scalar/DeadStoreElimination.cpp
index d575a63a51f..8559147b716 100644
--- a/lib/Transforms/Scalar/DeadStoreElimination.cpp
+++ b/lib/Transforms/Scalar/DeadStoreElimination.cpp
@@ -617,9 +617,8 @@ bool DSE::handleEndBlock(BasicBlock &BB) {
         DeleteDeadInstruction(Dead, *MD, &DeadStackObjects);
         ++NumFastStores;
         MadeChange = true;
+        continue;
       }
-
-      continue;
     }
     
     // Remove any dead non-memory-mutating instructions.
diff --git a/test/Transforms/DeadStoreElimination/2011-08-30-EndOfFunction.ll b/test/Transforms/DeadStoreElimination/2011-08-30-EndOfFunction.ll
index c5cc101a5f7..e69de29bb2d 100644
--- a/test/Transforms/DeadStoreElimination/2011-08-30-EndOfFunction.ll
+++ b/test/Transforms/DeadStoreElimination/2011-08-30-EndOfFunction.ll
@@ -1,27 +0,0 @@
-; RUN: opt -dse -S < %s | FileCheck %s
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-apple-darwin"
-
-%"class.std::auto_ptr" = type { i32* }
-
-; CHECK: @_Z3foov
-define void @_Z3foov(%"class.std::auto_ptr"* noalias nocapture sret %agg.result) uwtable ssp {
-_ZNSt8auto_ptrIiED1Ev.exit:
-  %temp.lvalue = alloca %"class.std::auto_ptr", align 8
-  call void @_Z3barv(%"class.std::auto_ptr"* sret %temp.lvalue)
-  %_M_ptr.i.i = getelementptr inbounds %"class.std::auto_ptr"* %temp.lvalue, i64 0, i32 0
-  %tmp.i.i = load i32** %_M_ptr.i.i, align 8, !tbaa !0
-; CHECK-NOT: store i32* null
-  store i32* null, i32** %_M_ptr.i.i, align 8, !tbaa !0
-  %_M_ptr.i.i4 = getelementptr inbounds %"class.std::auto_ptr"* %agg.result, i64 0, i32 0
-  store i32* %tmp.i.i, i32** %_M_ptr.i.i4, align 8, !tbaa !0
-; CHECK: ret void
-  ret void
-}
-
-declare void @_Z3barv(%"class.std::auto_ptr"* sret)
-
-!0 = metadata !{metadata !"any pointer", metadata !1}
-!1 = metadata !{metadata !"omnipotent char", metadata !2}
-!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
-- 
2.34.1