File: optimize.stp

package info (click to toggle)
systemtap 4.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 36,436 kB
  • sloc: cpp: 72,388; ansic: 58,430; xml: 47,797; exp: 40,417; sh: 10,793; python: 2,759; perl: 2,252; tcl: 1,305; makefile: 1,119; lisp: 105; java: 102; awk: 101; asm: 91; sed: 16
file content (38 lines) | stat: -rwxr-xr-x 762 bytes parent folder | download | duplicates (7)
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
37
38
#! stap -wp2

# We count on the optimizer to blow away these ridiculous
# expressions, since they have no effect on the output.

global b

function zoo (x) {
  return x
}

probe begin {
  a = b + 2
  zoo (zoo (5))
  b = "goodbye"
  no . $such . $target + $variable
}

# bug #2599
probe begin{for(i=1;i-=2;i++);}
probe begin{while(i+=2);}
probe begin{if(i=j);}

global ii
probe begin{for(ii=1;ii-=2;ii++);}
probe begin{while(ii+=2);}
probe begin{if(ii=j);}

# bug #6466
global goo

probe begin { while (24) ; }
probe begin { for (2<$i; zoo(333); poo) ; }
probe begin { foreach (x in goo) goo[x]+1; }
probe begin { foo = $bar; if (foo) {} }
probe begin { { { { } } } }
function useful () { return 1 }
probe begin { println (useful()) } /* don't elide this one! */