xref: /llvm-project/polly/test/CodeGen/phi_condition_modeling_1.ll (revision e1f056f692d869708c1898d9d65a69ac5584a0ed)
1; RUN: opt %loadNPMPolly -S -passes=polly-codegen < %s | FileCheck %s
2;
3;    void f(int *A, int c, int N) {
4;      int tmp;
5;      for (int i = 0; i < N; i++) {
6;        if (i > c)
7;          tmp = 3;
8;        else
9;          tmp = 5;
10;        A[i] = tmp;
11;      }
12;    }
13;
14; CHECK-LABEL: bb:
15; CHECK:       %tmp.0.phiops = alloca i32
16; CHECK-LABEL: polly.stmt.bb8:
17; CHECK:       %tmp.0.phiops.reload = load i32, ptr %tmp.0.phiops
18; CHECK:       store i32 %tmp.0.phiops.reload, ptr
19; CHECK-LABEL: polly.stmt.bb7:
20; CHECK:       store i32 5, ptr %tmp.0.phiops
21; CHECK-LABEL: polly.stmt.bb6:
22; CHECK:       store i32 3, ptr %tmp.0.phiops
23
24target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
25
26define void @f(ptr %A, i32 %c, i32 %N) {
27bb:
28  %tmp = sext i32 %N to i64
29  %tmp1 = sext i32 %c to i64
30  br label %bb2
31
32bb2:                                              ; preds = %bb10, %bb
33  %indvars.iv = phi i64 [ %indvars.iv.next, %bb10 ], [ 0, %bb ]
34  %tmp3 = icmp slt i64 %indvars.iv, %tmp
35  br i1 %tmp3, label %bb4, label %bb11
36
37bb4:                                              ; preds = %bb2
38  %tmp5 = icmp sgt i64 %indvars.iv, %tmp1
39  br i1 %tmp5, label %bb6, label %bb7
40
41bb6:                                              ; preds = %bb4
42  br label %bb8
43
44bb7:                                              ; preds = %bb4
45  br label %bb8
46
47bb8:                                              ; preds = %bb7, %bb6
48  %tmp.0 = phi i32 [ 3, %bb6 ], [ 5, %bb7 ]
49  %tmp9 = getelementptr inbounds i32, ptr %A, i64 %indvars.iv
50  store i32 %tmp.0, ptr %tmp9, align 4
51  br label %bb10
52
53bb10:                                             ; preds = %bb8
54  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
55  br label %bb2
56
57bb11:                                             ; preds = %bb2
58  ret void
59}
60