File: memset.ll

package info (click to toggle)
llvm 2.6-9.1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 57,604 kB
  • ctags: 44,336
  • sloc: cpp: 344,766; sh: 12,407; ansic: 10,617; ada: 3,070; ml: 2,505; perl: 2,496; makefile: 1,426; pascal: 1,163; exp: 389; asm: 307; python: 298; objc: 260; lisp: 182; csh: 117; xml: 38; f90: 36; tcl: 20
file content (21 lines) | stat: -rw-r--r-- 851 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
; both globals are write only, delete them.

; RUN: llvm-as < %s | opt -globalopt | llvm-dis | \
; RUN:   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]

declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)

declare void @llvm.memset.i32(i8*, i8, i32, i32)

define void @foo() {
        %Blah = alloca [58 x i8]                ; <[58 x i8]*> [#uses=1]
        %tmp3 = bitcast [58 x i8]* %Blah to i8*         ; <i8*> [#uses=1]
        call void @llvm.memcpy.i32( i8* bitcast ([4 x i32]* @G1 to i8*), i8* %tmp3, i32 16, i32 1 )
        call void @llvm.memset.i32( i8* getelementptr ([58 x i8]* @G0, i32 0, i32 0), i8 17, i32 58, i32 1 )
        ret void
}