diff --git a/llvm/test/Transforms/MemCpyOpt/memcpy.ll b/llvm/test/Transforms/MemCpyOpt/memcpy.ll
index e4cd0ef388db..7d69287280b0 100644
--- a/llvm/test/Transforms/MemCpyOpt/memcpy.ll
+++ b/llvm/test/Transforms/MemCpyOpt/memcpy.ll
@@ -3,7 +3,7 @@
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i686-apple-darwin9"
 
-define void @ccosl({ x86_fp80, x86_fp80 }* sret  %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind  {
+define void @test1({ x86_fp80, x86_fp80 }* sret  %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind  {
 entry:
 	%tmp2 = alloca { x86_fp80, x86_fp80 }		; <{ x86_fp80, x86_fp80 }*> [#uses=1]
 	%memtmp = alloca { x86_fp80, x86_fp80 }, align 16		; <{ x86_fp80, x86_fp80 }*> [#uses=2]
@@ -14,6 +14,15 @@ entry:
 	call void @llvm.memcpy.i32( i8* %tmp219, i8* %memtmp20, i32 32, i32 16 )
 	%agg.result21 = bitcast { x86_fp80, x86_fp80 }* %agg.result to i8*		; <i8*> [#uses=1]
 	call void @llvm.memcpy.i32( i8* %agg.result21, i8* %tmp219, i32 32, i32 16 )
+
+; Check that one of the memcpy's are removed.
+;; FIXME: PR 8643 We should be able to eliminate the last memcpy here.
+
+; CHECK: @test1
+; CHECK: call void @ccoshl
+; CHECK: call @llvm.memcpy
+; CHECK-NOT: llvm.memcpy
+; CHECK: ret void
 	ret void
 }