1 ; This test makes sure that memmove instructions are properly eliminated.
3 ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | \
4 ; RUN: not grep {call void @llvm.memmove}
6 @S = internal constant [33 x i8] c"panic: restorelist inconsistency\00" ; <[33 x i8]*> [#uses=1]
8 declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
10 define void @test1(i8* %A, i8* %B, i32 %N) {
11 call void @llvm.memmove.i32( i8* %A, i8* %B, i32 0, i32 1 )
15 define void @test2(i8* %A, i32 %N) {
16 ;; dest can't alias source since we can't write to source!
17 call void @llvm.memmove.i32( i8* %A, i8* getelementptr ([33 x i8]* @S, i32 0, i32 0), i32 %N, i32 1 )