File: 2007-09-17-AliasConstFold2.ll

package info (click to toggle)
llvm-3.1 3.1-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 80,224 kB
  • sloc: cpp: 491,014; asm: 110,971; ansic: 14,579; sh: 13,120; python: 6,152; ml: 4,719; makefile: 1,830; pascal: 1,553; perl: 874; xml: 283; lisp: 187; csh: 117; exp: 4
file content (14 lines) | stat: -rw-r--r-- 348 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
; RUN: opt < %s -instcombine -S | grep icmp
; PR1678

@A = alias weak void ()* @B		; <void ()*> [#uses=1]

declare extern_weak void @B()

define i32 @active() {
entry:
	%"alloca point" = bitcast i32 0 to i32		; <i32> [#uses=0]
	%tmp1 = icmp ne void ()* @A, null		; <i1> [#uses=1]
	%tmp12 = zext i1 %tmp1 to i32		; <i32> [#uses=1]
	ret i32 %tmp12
}