File: 2007-09-10-AliasConstFold.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 (15 lines) | stat: -rw-r--r-- 487 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
; RUN: opt < %s -passes=instcombine -S | grep icmp
; PR1646

@__gthrw_pthread_cancel = weak alias i32 (i32), ptr @pthread_cancel		; <ptr> [#uses=1]
@__gthread_active_ptr.5335 = internal constant ptr @__gthrw_pthread_cancel		; <ptr> [#uses=1]
define weak i32 @pthread_cancel(i32) {
       ret i32 0
}

define i1 @__gthread_active_p() {
entry:
	%tmp1 = load ptr, ptr @__gthread_active_ptr.5335, align 4		; <ptr> [#uses=1]
	%tmp2 = icmp ne ptr %tmp1, null		; <i1> [#uses=1]
	ret i1 %tmp2
}