File: 2007-09-27-LargeStepping.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (23 lines) | stat: -rw-r--r-- 646 bytes parent folder | download | duplicates (9)
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 -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | 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
}