File: 2008-02-11-ReversedCondition.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-- 399 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
; RUN: opt < %s "-passes=print<scalar-evolution>" -disable-output 2>&1 | FileCheck %s

; CHECK: Loop %header: backedge-taken count is (0 smax %n)

define void @foo(i32 %n) {
entry:
	br label %header
header:
	%i = phi i32 [ 0, %entry ], [ %i.inc, %next ]
	%cond = icmp sgt i32 %n, %i
	br i1 %cond, label %next, label %return
next:
        %i.inc = add i32 %i, 1
	br label %header
return:
	ret void
}