xref: /llvm-project/llvm/test/Transforms/ConstraintElimination/max-row-limit.ll (revision fbcf8a8cbb2461730bfd0603b396842925a88ef2) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=constraint-elimination -S %s | FileCheck --check-prefixes=COMMON,SIMP %s
3; RUN: opt -passes=constraint-elimination -constraint-elimination-max-rows=9 -S %s | FileCheck --check-prefixes=COMMON,SIMP %s
4; RUN: opt -passes=constraint-elimination -constraint-elimination-max-rows=8 -S %s | FileCheck --check-prefixes=COMMON,NOSIMP %s
5
6
7define i1 @test_max_row_limit(i32 %l0, i32 %l1, i32 %l2, i32 %l3, i32 %l4) {
8; SIMP-LABEL: @test_max_row_limit(
9; SIMP-NEXT:  bb0:
10; SIMP-NEXT:    [[C0:%.*]] = icmp uge i32 [[L0:%.*]], 100
11; SIMP-NEXT:    br i1 [[C0]], label [[BB1:%.*]], label [[EXIT:%.*]]
12; SIMP:       bb1:
13; SIMP-NEXT:    [[C1:%.*]] = icmp uge i32 [[L1:%.*]], 100
14; SIMP-NEXT:    br i1 [[C1]], label [[BB2:%.*]], label [[EXIT]]
15; SIMP:       bb2:
16; SIMP-NEXT:    [[C2:%.*]] = icmp uge i32 [[L2:%.*]], 100
17; SIMP-NEXT:    br i1 [[C2]], label [[BB3:%.*]], label [[EXIT]]
18; SIMP:       bb3:
19; SIMP-NEXT:    [[C3:%.*]] = icmp uge i32 [[L3:%.*]], 100
20; SIMP-NEXT:    br i1 [[C3]], label [[BB4:%.*]], label [[EXIT]]
21; SIMP:       bb4:
22; SIMP-NEXT:    [[C4:%.*]] = icmp uge i32 [[L4:%.*]], 100
23; SIMP-NEXT:    br i1 [[C4]], label [[BB5:%.*]], label [[EXIT]]
24; SIMP:       bb5:
25; SIMP-NEXT:    ret i1 true
26; SIMP:       exit:
27; SIMP-NEXT:    ret i1 false
28;
29; NOSIMP-LABEL: @test_max_row_limit(
30; NOSIMP-NEXT:  bb0:
31; NOSIMP-NEXT:    [[C0:%.*]] = icmp uge i32 [[L0:%.*]], 100
32; NOSIMP-NEXT:    br i1 [[C0]], label [[BB1:%.*]], label [[EXIT:%.*]]
33; NOSIMP:       bb1:
34; NOSIMP-NEXT:    [[C1:%.*]] = icmp uge i32 [[L1:%.*]], 100
35; NOSIMP-NEXT:    br i1 [[C1]], label [[BB2:%.*]], label [[EXIT]]
36; NOSIMP:       bb2:
37; NOSIMP-NEXT:    [[C2:%.*]] = icmp uge i32 [[L2:%.*]], 100
38; NOSIMP-NEXT:    br i1 [[C2]], label [[BB3:%.*]], label [[EXIT]]
39; NOSIMP:       bb3:
40; NOSIMP-NEXT:    [[C3:%.*]] = icmp uge i32 [[L3:%.*]], 100
41; NOSIMP-NEXT:    br i1 [[C3]], label [[BB4:%.*]], label [[EXIT]]
42; NOSIMP:       bb4:
43; NOSIMP-NEXT:    [[C4:%.*]] = icmp uge i32 [[L4:%.*]], 100
44; NOSIMP-NEXT:    br i1 [[C4]], label [[BB5:%.*]], label [[EXIT]]
45; NOSIMP:       bb5:
46; NOSIMP-NEXT:    [[C5:%.*]] = icmp uge i32 [[L4]], 100
47; NOSIMP-NEXT:    ret i1 [[C5]]
48; NOSIMP:       exit:
49; NOSIMP-NEXT:    ret i1 false
50;
51bb0:
52  %c0 = icmp uge i32 %l0, 100
53  br i1 %c0, label %bb1, label %exit
54
55bb1:
56  %c1 = icmp uge i32 %l1, 100
57  br i1 %c1, label %bb2, label %exit
58
59bb2:
60  %c2 = icmp uge i32 %l2, 100
61  br i1 %c2, label %bb3, label %exit
62
63bb3:
64  %c3 = icmp uge i32 %l3, 100
65  br i1 %c3, label %bb4, label %exit
66
67bb4:
68  %c4 = icmp uge i32 %l4, 100
69  br i1 %c4, label %bb5, label %exit
70
71bb5:
72  %c5 = icmp uge i32 %l4, 100
73  ret i1 %c5
74
75exit:
76  ret i1 false
77}
78;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
79; COMMON: {{.*}}
80