simplifylibcalls doesn't optimize llvm.memmove, instcombine does.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50517 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/SimplifyLibCalls/MemMove.ll b/test/Transforms/SimplifyLibCalls/MemMove.ll
deleted file mode 100644 (file)
index 852f8db..0000000
--- a/test/Transforms/SimplifyLibCalls/MemMove.ll
+++ /dev/null
@@ -1,22 +0,0 @@
-; Test that the StrCatOptimizer works correctly
-; RUN: llvm-as < %s | opt -constprop -simplify-libcalls | \
-; RUN:   llvm-dis | not grep {call.*llvm.memmove.i32}
-
-@h = constant [2 x i8] c"h\00"         ; <[2 x i8]*> [#uses=1]
-@hel = constant [4 x i8] c"hel\00"             ; <[4 x i8]*> [#uses=1]
-@hello_u = constant [8 x i8] c"hello_u\00"             ; <[8 x i8]*> [#uses=1]
-
-declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
-
-define i32 @main() {
-       %h_p = getelementptr [2 x i8]* @h, i32 0, i32 0         ; <i8*> [#uses=1]
-       %hel_p = getelementptr [4 x i8]* @hel, i32 0, i32 0             ; <i8*> [#uses=1]
-       %hello_u_p = getelementptr [8 x i8]* @hello_u, i32 0, i32 0             ; <i8*> [#uses=1]
-       %target = alloca [1024 x i8]            ; <[1024 x i8]*> [#uses=1]
-       %target_p = getelementptr [1024 x i8]* %target, i32 0, i32 0            ; <i8*> [#uses=3]
-       call void @llvm.memmove.i32( i8* %target_p, i8* %h_p, i32 2, i32 2 )
-       call void @llvm.memmove.i32( i8* %target_p, i8* %hel_p, i32 4, i32 4 )
-       call void @llvm.memmove.i32( i8* %target_p, i8* %hello_u_p, i32 8, i32 8 )
-       ret i32 0
-}
-