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
|
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
; void f(int a[], unsigned N) {
; unsigned i;
; do {
; a[i] = i;
; } while (++i <= N);
; }
; CHECK: Assumed Context:
; CHECK-NEXT: [N] -> { : }
; CHECK-NEXT: Invalid Context:
; CHECK-NEXT: [N] -> { : 1 = 0 }
;
; CHECK: Domain :=
; CHECK-NEXT: [N] -> { Stmt_bb[i0] : 0 <= i0 < N; Stmt_bb[0] : N = 0 };
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
define void @f(i64* nocapture %a, i64 %N) nounwind {
entry:
br label %bb
bb: ; preds = %bb, %entry
%i = phi i64 [ 0, %entry ], [ %i.inc, %bb ]
%scevgep = getelementptr inbounds i64, i64* %a, i64 %i
store i64 %i, i64* %scevgep
%i.inc = add nsw i64 %i, 1
%exitcond = icmp uge i64 %i.inc, %N
br i1 %exitcond, label %return, label %bb
return: ; preds = %bb, %entry
ret void
}
|
