File: non-affine-conditional.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (42 lines) | stat: -rw-r--r-- 1,310 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
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
; RUN: opt %loadPolly -polly-allow-nonaffine-branches -polly-print-detect -disable-output < %s | FileCheck %s
;
;    void f(int *A) {
;      for (int i = 0; i < 1024; i++)
;        if (A[i])
;          A[i] = 0;
;    }
;
; CHECK: Valid Region for Scop: bb1 => bb9
;
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"

define void @f(i32* %A) {
bb:
  br label %bb1

bb1:                                              ; preds = %bb8, %bb
  %indvars.iv = phi i64 [ %indvars.iv.next, %bb8 ], [ 0, %bb ]
  %exitcond = icmp ne i64 %indvars.iv, 1024
  br i1 %exitcond, label %bb2, label %bb9

bb2:                                              ; preds = %bb1
  %tmp = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
  %tmp3 = load i32, i32* %tmp, align 4
  %tmp4 = icmp eq i32 %tmp3, 0
  br i1 %tmp4, label %bb7, label %bb5

bb5:                                              ; preds = %bb2
  %tmp6 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
  store i32 0, i32* %tmp6, align 4
  br label %bb7

bb7:                                              ; preds = %bb2, %bb5
  br label %bb8

bb8:                                              ; preds = %bb7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  br label %bb1

bb9:                                              ; preds = %bb1
  ret void
}