YouCompleteMe/cpp/llvm/test/Transforms/GlobalOpt/memset.ll
2012-07-05 17:51:06 -07:00

19 lines
835 B
LLVM

; both globals are write only, delete them.
; RUN: opt < %s -globalopt -S | not grep internal
@G0 = internal global [58 x i8] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00" ; <[58 x i8]*> [#uses=1]
@G1 = internal global [4 x i32] [ i32 1, i32 2, i32 3, i32 4 ] ; <[4 x i32]*> [#uses=1]
define void @foo() {
%Blah = alloca [58 x i8]
%tmp3 = bitcast [58 x i8]* %Blah to i8*
call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([4 x i32]* @G1 to i8*), i8* %tmp3, i32 16, i32 1, i1 false)
call void @llvm.memset.p0i8.i32(i8* getelementptr inbounds ([58 x i8]* @G0, i32 0, i32 0), i8 17, i32 58, i32 1, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind