Fix a potential bug in r183584.

  r183584 tries to derive some info from the code *AFTER* a call and apply
these derived info to the code *BEFORE* the call, which is not always safe
as the call in question may never return, and in this case, the derived
info is invalid.
  
  Thank Duncan for pointing out this potential bug.

rdar://14073661 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183606 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 22 deletions

diff --git a/test/Transforms/MemCpyOpt/memcpy.ll b/test/Transforms/MemCpyOpt/memcpy.ll
index fa768712ec..148623a6ce 100644
--- a/test/Transforms/MemCpyOpt/memcpy.ll
+++ b/test/Transforms/MemCpyOpt/memcpy.ll
@@ -185,28 +185,6 @@ define void @test10(%opaque* noalias nocapture sret %x, i32 %y) {
   ret void
 }
 
-; Test11 is similar to test10 except that the instruction "store i32 %y, i32* %a"
-; before the call-site is deleted. MemCopyOpt is able to optimize this snippet into
-;
-;  %x1 = bitcast %opaque* %x to i32*
-;  call void @foo(i32* noalias nocapture %x1)
-;  ret void
-; 
-
-define void @test11(%opaque* noalias nocapture sret %x, i32 %y) {
-; CHECK: test11
-; CHECK: %x1 = bitcast %opaque* %x to i32*
-; CHECK: call void @foo(i32* noalias nocapture %x1)
-; CHECK: ret void
-
-  %a = alloca i32, align 4
-  call void @foo(i32* noalias nocapture %a)
-  %c = load i32* %a
-  %d = bitcast %opaque* %x to i32*
-  store i32 %c, i32* %d
-  ret void
-}
-
 declare void @f1(%struct.big* sret)
 declare void @f2(%struct.big*)