xref: /llvm-project/polly/test/ScopInfo/sign_wrapped_set.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -polly-allow-nonaffine -polly-process-unprofitable '-passes=print<polly-function-scops>' -disable-output < %s 2>&1 | FileCheck %s
2;
3; CHECK:        Domain :=
4; CHECK-NEXT:       [srcHeight] -> { Stmt_for_cond6_preheader_us[i0] : 0 <= i0 <= -3 + srcHeight };
5; CHECK-NEXT:   Schedule :=
6; CHECK-NEXT:       [srcHeight] -> { Stmt_for_cond6_preheader_us[i0] -> [i0] };
7; CHECK-NEXT:   ReadAccess :=	[Reduction Type: +] [Scalar: 0]
8; CHECK-NEXT:       [srcHeight] -> { Stmt_for_cond6_preheader_us[i0] -> MemRef_src[o0] };
9; CHECK-NEXT:   MayWriteAccess :=	[Reduction Type: +] [Scalar: 0]
10; CHECK-NEXT:       [srcHeight] -> { Stmt_for_cond6_preheader_us[i0] -> MemRef_src[o0] };
11
12target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
13
14define void @test_case(ptr noalias nocapture readonly %src, i32 %srcHeight, i32 %srcStride) local_unnamed_addr {
15entry:
16  %extended = zext i32 %srcStride to i64
17  %sub = add i32 %srcHeight, -1
18  br label %for.cond6.preheader.us
19
20for.cond6.preheader.us:                           ; preds = %for.cond6.preheader.us, %entry
21  %srcPtr.075.us.pn = phi ptr [ %srcPtr.075.us, %for.cond6.preheader.us ], [ %src, %entry ]
22  %y.072.us = phi i32 [ %inc37.us, %for.cond6.preheader.us ], [ 1, %entry ]
23  %srcPtr.075.us = getelementptr inbounds i8, ptr %srcPtr.075.us.pn, i64 %extended
24
25  %0 = load i8, ptr %srcPtr.075.us, align 1, !tbaa !0
26  %1 = add i8 %0, 1
27  store i8 %1, ptr %srcPtr.075.us, align 1, !tbaa !0
28
29  %inc37.us = add nuw i32 %y.072.us, 1
30  %exitcond78 = icmp eq i32 %inc37.us, %sub
31  br i1 %exitcond78, label %for.cond.cleanup.loopexit, label %for.cond6.preheader.us
32
33for.cond.cleanup.loopexit:                        ; preds = %for.cond6.preheader.us
34  ret void
35}
36
37!0 = !{!1, !1, i64 0}
38!1 = !{!"omnipotent char", !2, i64 0}
39!2 = !{!"Simple C++ TBAA"}
40!3 = !{!4, !4, i64 0}
41!4 = !{!"float", !1, i64 0}
42