File: avoid-infinite-recursion-0.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (30 lines) | stat: -rw-r--r-- 1,096 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
 
; RUN: opt < %s -passes='print<scalar-evolution>'
; PR4537

; ModuleID = 'b.bc'
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"

define i32 @test() {
entry:
	%0 = load ptr, ptr undef, align 8		; <ptr> [#uses=1]
	%1 = ptrtoint ptr %0 to i64		; <i64> [#uses=1]
	%2 = sub i64 undef, %1		; <i64> [#uses=1]
	%3 = lshr i64 %2, 3		; <i64> [#uses=1]
	%4 = trunc i64 %3 to i32		; <i32> [#uses=2]
	br i1 undef, label %bb10, label %bb4.i

bb4.i:		; preds = %bb4.i, %entry
	%i.0.i6 = phi i32 [ %8, %bb4.i ], [ 0, %entry ]		; <i32> [#uses=2]
	%5 = sub i32 %4, %i.0.i6		; <i32> [#uses=1]
	%6 = sext i32 %5 to i64		; <i64> [#uses=1]
	%7 = udiv i64 undef, %6		; <i64> [#uses=1]
	%8 = add i32 %i.0.i6, 1		; <i32> [#uses=2]
	%phitmp = icmp eq i64 %7, 0		; <i1> [#uses=1]
	%.not.i = icmp sge i32 %8, %4		; <i1> [#uses=1]
	%or.cond.i = or i1 %phitmp, %.not.i		; <i1> [#uses=1]
	br i1 %or.cond.i, label %bb10, label %bb4.i

bb10:		; preds = %bb4.i, %entry
	unreachable
}