xref: /llvm-project/polly/test/CodeGen/aliasing_parametric_simple_2.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -passes=polly-codegen -S < %s | FileCheck %s
2;
3;    void jd(int *A, int *B, int c) {
4;      for (int i = 0; i < 1024; i++)
5;        A[i] = B[c - 10] + B[5];
6;    }
7;
8; CHECK:  %[[Ctx:[._a-zA-Z0-9]*]] = and i1 true
9; CHECK-NEXT:  %[[M0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
10; CHECK-NEXT:  %[[M3:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %[[M0]], i64 9)
11; CHECK-NEXT:  %[[M3O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[M3]], 1
12; CHECK-NEXT:  %[[OS0:[._a-zA-Z0-9]*]]   = or i1 false, %[[M3O]]
13; CHECK-NEXT:  %[[M3R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[M3]], 0
14; CHECK-NEXT:  %[[M1:[._a-zA-Z0-9]*]] = icmp sgt i64 6, %[[M3R]]
15; CHECK-NEXT:  %[[M4:[._a-zA-Z0-9]*]] = select i1 %[[M1]], i64 6, i64 %[[M3R]]
16; CHECK-NEXT:  %[[BMax:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %B, i64 %[[M4]]
17; CHECK-NEXT:  %[[AMin:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %A, i64 0
18; CHECK-NEXT:  %[[BMaxI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[BMax]] to i64
19; CHECK-NEXT:  %[[AMinI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[AMin]] to i64
20; CHECK-NEXT:  %[[BltA:[._a-zA-Z0-9]*]] = icmp ule i64 %[[BMaxI]], %[[AMinI]]
21; CHECK-NEXT:  %[[AMax:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %A, i64 1024
22; CHECK-NEXT:  %[[m0:[._a-zA-Z0-9]*]] = sext i32 %c to i64
23; CHECK-NEXT:  %[[m3:[._a-zA-Z0-9]*]] = call { i64, i1 } @llvm.ssub.with.overflow.i64(i64 %[[m0]], i64 10)
24; CHECK-NEXT:  %[[m3O:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[m3]], 1
25; CHECK-NEXT:  %[[OS1:[._a-zA-Z0-9]*]]   = or i1 %[[OS0]], %[[m3O]]
26; CHECK-NEXT:  %[[m3R:[._a-zA-Z0-9]*]] = extractvalue { i64, i1 } %[[m3]], 0
27; CHECK-NEXT:  %[[m1:[._a-zA-Z0-9]*]] = icmp slt i64 5, %[[m3R]]
28; CHECK-NEXT:  %[[m4:[._a-zA-Z0-9]*]] = select i1 %[[m1]], i64 5, i64 %[[m3R]]
29; CHECK-NEXT:  %[[BMin:[._a-zA-Z0-9]*]] = getelementptr i32, ptr %B, i64 %[[m4]]
30; CHECK-NEXT:  %[[AMaxI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[AMax]] to i64
31; CHECK-NEXT:  %[[BMinI:[._a-zA-Z0-9]*]] = ptrtoint ptr %[[BMin]] to i64
32; CHECK-NEXT:  %[[AltB:[._a-zA-Z0-9]*]] = icmp ule i64 %[[AMaxI]], %[[BMinI]]
33; CHECK-NEXT:  %[[NoAlias:[._a-zA-Z0-9]*]] = or i1 %[[BltA]], %[[AltB]]
34; CHECK-NEXT:  %[[RTC:[._a-zA-Z0-9]*]] = and i1 %[[Ctx]], %[[NoAlias]]
35; CHECK-NEXT:  %[[NOV:[._a-zA-Z0-9]*]] = xor i1 %[[OS1]], true
36; CHECK-NEXT:  %[[RTCV:[._a-zA-Z0-9]*]] = and i1 %[[RTC]], %[[NOV]]
37; CHECK-NEXT:  br i1 %[[RTCV]], label %polly.start, label %for.cond
38;
39target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
40
41define void @jd(ptr %A, ptr %B, i32 %c) {
42entry:
43  br label %for.cond
44
45for.cond:                                         ; preds = %for.inc, %entry
46  %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
47  %exitcond = icmp ne i64 %indvars.iv, 1024
48  br i1 %exitcond, label %for.body, label %for.end
49
50for.body:                                         ; preds = %for.cond
51  %sub = add nsw i32 %c, -10
52  %idxprom = sext i32 %sub to i64
53  %arrayidx = getelementptr inbounds i32, ptr %B, i64 %idxprom
54  %tmp = load i32, ptr %arrayidx, align 4
55  %arrayidx1 = getelementptr inbounds i32, ptr %B, i64 5
56  %tmp1 = load i32, ptr %arrayidx1, align 4
57  %add = add nsw i32 %tmp, %tmp1
58  %arrayidx3 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
59  store i32 %add, ptr %arrayidx3, align 4
60  br label %for.inc
61
62for.inc:                                          ; preds = %for.body
63  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
64  br label %for.cond
65
66for.end:                                          ; preds = %for.cond
67  ret void
68}
69