File: commute.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 (23 lines) | stat: -rw-r--r-- 485 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
; RUN: opt -gvn -S < %s | FileCheck %s

declare void @use(i32, i32)

define void @foo(i32 %x, i32 %y) {
  ; CHECK: @foo
  %add1 = add i32 %x, %y
  %add2 = add i32 %y, %x
  call void @use(i32 %add1, i32 %add2)
  ; CHECK: @use(i32 %add1, i32 %add1)
  ret void
}

declare void @vse(i1, i1)

define void @bar(i32 %x, i32 %y) {
  ; CHECK: @bar
  %cmp1 = icmp ult i32 %x, %y
  %cmp2 = icmp ugt i32 %y, %x
  call void @vse(i1 %cmp1, i1 %cmp2)
  ; CHECK: @vse(i1 %cmp1, i1 %cmp1)
  ret void
}