llvm-project
33 строки · 856.0 Байт
1; RUN: opt %loadNPMPolly '-passes=print<polly-detect>' -disable-output < %s 2>&1 | FileCheck %s
2
3; void f(long A[], long N) {
4; long i;
5; if (true)
6; for (i = 0; i < N; ++i)
7; A[i] = i;
8; }
9
10target 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"
11
12define void @f(ptr %A, i64 %N) nounwind {
13entry:
14fence seq_cst
15br label %next
16
17next:
18br i1 true, label %for.i, label %return
19
20for.i:
21%indvar = phi i64 [ 0, %next], [ %indvar.next, %for.i ]
22%scevgep = getelementptr i64, ptr %A, i64 %indvar
23store i64 %indvar, ptr %scevgep
24%indvar.next = add nsw i64 %indvar, 1
25%exitcond = icmp eq i64 %indvar.next, %N
26br i1 %exitcond, label %return, label %for.i
27
28return:
29fence seq_cst
30ret void
31}
32
33; CHECK: Valid Region for Scop: next => return
34