File: 2007-07-26-InterlockingLoops.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (40 lines) | stat: -rw-r--r-- 1,053 bytes parent folder | download | duplicates (12) 
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
39
40
 
; RUN: opt < %s -passes=gvn -S | FileCheck %s

@last = external global [65 x ptr]

define i32 @NextRootMove(i32 %wtm, i32 %x, i32 %y, i32 %z) {
entry:
        %A = alloca ptr
	%tmp17618 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
        store ptr %tmp17618, ptr %A
; CHECK: entry:
; CHECK-NEXT: alloca ptr
; CHECK-NEXT: %tmp17618 = load
; CHECK-NOT: load
; CHECK-NOT: phi
	br label %cond_true116

cond_true116:
   %cmp = icmp eq i32 %x, %y
	br i1 %cmp, label %cond_true128, label %cond_true145

cond_true128:
	%tmp17625 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
        store ptr %tmp17625, ptr %A
   %cmp1 = icmp eq i32 %x, %z
	br i1 %cmp1 , label %bb98.backedge, label %return.loopexit

bb98.backedge:
	br label %cond_true116

cond_true145:
	%tmp17631 = load ptr, ptr getelementptr ([65 x ptr], ptr @last, i32 0, i32 1), align 4
        store ptr %tmp17631, ptr %A
	br i1 false, label %bb98.backedge, label %return.loopexit

return.loopexit:
	br label %return

return:
	ret i32 0
}