File: 2007-09-27-LargeStepping.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (23 lines) | stat: -rw-r--r-- 618 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s
; PR1706

; CHECK: backedge-taken count is 13

define i32 @f() {
entry:
	br label %bb5

bb:		; preds = %bb5
	%tmp2 = shl i32 %j.0, 1		; <i32> [#uses=1]
	%tmp4 = add i32 %i.0, 268435456		; <i32> [#uses=1]
	br label %bb5

bb5:		; preds = %bb, %entry
	%j.0 = phi i32 [ 1, %entry ], [ %tmp2, %bb ]		; <i32> [#uses=2]
	%i.0 = phi i32 [ -1879048192, %entry ], [ %tmp4, %bb ]		; <i32> [#uses=2]
	%tmp7 = icmp slt i32 %i.0, 1610612736		; <i1> [#uses=1]
	br i1 %tmp7, label %bb, label %return

return:		; preds = %bb5
	ret i32 %j.0
}