llvm-project/llvm/test/Transforms/GlobalOpt/memset.ll

24 lines
818 B
LLVM

; both globals are write only, delete them.
; RUN: llvm-upgrade < %s | llvm-as | opt -globalopt | llvm-dis | \
; RUN: not grep internal
%G0 = internal global [58 x sbyte] c"asdlfkajsdlfkajsd;lfkajds;lfkjasd;flkajsd;lkfja;sdlkfjasd\00"
%G1 = internal global [4 x int] [ int 1, int 2, int 3, int 4]
implementation ; Functions:
declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
declare void %llvm.memset.i32(sbyte*, ubyte, uint, uint)
void %foo() {
%Blah = alloca [58 x sbyte] ; <[58 x sbyte]*> [#uses=2]
%tmp3 = cast [58 x sbyte]* %Blah to sbyte*
call void %llvm.memcpy.i32( sbyte* cast ([4 x int]* %G1 to sbyte*), sbyte* %tmp3, uint 16, uint 1)
call void %llvm.memset.i32( sbyte* getelementptr ([58 x sbyte]* %G0, int 0, int 0), ubyte 17, uint 58, uint 1)
ret void
}