File: 2002-09-09-PointerIndVar.ll

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (17 lines) | stat: -rw-r--r-- 634 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; Induction variable pass is doing bad things with pointer induction vars, 
; trying to do arithmetic on them directly.
;
; RUN: opt < %s -passes=indvars
;
define void @test(i32 %A, i32 %S, ptr %S.upgrd.1) {
; <label>:0
        br label %Loop

Loop:           ; preds = %Loop, %0
        %PIV = phi ptr [ %S.upgrd.1, %0 ], [ %PIVNext.upgrd.3, %Loop ]          ; <ptr> [#uses=1]
        %PIV.upgrd.2 = ptrtoint ptr %PIV to i64         ; <i64> [#uses=1]
        %PIVNext = add i64 %PIV.upgrd.2, 8              ; <i64> [#uses=1]
        %PIVNext.upgrd.3 = inttoptr i64 %PIVNext to ptr         ; <ptr> [#uses=1]
        br label %Loop
}