File: apint-basictest4.ll

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (25 lines) | stat: -rw-r--r-- 622 bytes parent folder | download | duplicates (2) 
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
 
; This is a basic sanity check for constant propogation.  It tests the basic 
; logic operations.


; RUN: opt < %s -sccp -S | not grep and
; RUN: opt < %s -sccp -S | not grep trunc
; RUN: opt < %s -sccp -S | grep {ret i100 -1}

define i100 @test(i133 %A) {
        %B = and i133 0, %A
        %C = icmp sgt i133 %B, 0
	br i1 %C, label %BB1, label %BB2
BB1:
        %t3 = xor i133 %B, -1
        %t4 = trunc i133 %t3 to i100
	br label %BB3
BB2:
        %f1 = or i133 -1, %A
        %f2 = lshr i133 %f1, 33
        %f3 = trunc i133 %f2 to i100
	br label %BB3
BB3:
	%Ret = phi i100 [%t4, %BB1], [%f3, %BB2]
	ret i100 %Ret
}