File: 2008-11-02-QuadraticCrash.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (21 lines) | stat: -rw-r--r-- 523 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; RUN: opt < %s -passes='print<scalar-evolution>'
; PR1827

declare void @use(i32)

define void @foo() {
entry:
	br label %loop_1

loop_1:		; preds = %loop_1, %entry
	%a = phi i32 [ 2, %entry ], [ %b, %loop_1 ]		; <i32> [#uses=2]
	%c = phi i32 [ 5, %entry ], [ %d, %loop_1 ]		; <i32> [#uses=1]
	%b = add i32 %a, 1		; <i32> [#uses=1]
	%d = add i32 %c, %a		; <i32> [#uses=3]
	%A = icmp ult i32 %d, 50		; <i1> [#uses=1]
	br i1 %A, label %loop_1, label %endloop

endloop:		; preds = %loop_1
	call void @use(i32 %d)
	ret void
}