File: 2008-07-02-Unreachable.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (36 lines) | stat: -rw-r--r-- 763 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
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
; RUN: opt < %s -passes=gvn -S | FileCheck %s
; PR2503

@g_3 = external global i8		; <ptr> [#uses=2]

define i8 @func_1(i32 %x, i32 %y) nounwind  {
entry:
  %A = alloca i8
    %cmp = icmp eq i32 %x, %y
	br i1 %cmp, label %ifelse, label %ifthen

ifthen:		; preds = %entry
	br label %ifend

ifelse:		; preds = %entry
	%tmp3 = load i8, ptr @g_3		; <i8> [#uses=0]
        store i8 %tmp3, ptr %A
	br label %afterfor

forcond:		; preds = %forinc
	br i1 false, label %afterfor, label %forbody

forbody:		; preds = %forcond
	br label %forinc

forinc:		; preds = %forbody
	br label %forcond

afterfor:		; preds = %forcond, %forcond.thread
	%tmp10 = load i8, ptr @g_3		; <i8> [#uses=0]
	ret i8 %tmp10
; CHECK: ret i8 %tmp3

ifend:		; preds = %afterfor, %ifthen
	ret i8 0
}