1 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
2 ; RUN: opt < %s -S -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
4 define i8 @or-of-constant-with-no-common-bits-set(i8 %x, i8 %y) {
5 ; CHECK-LABEL: 'or-of-constant-with-no-common-bits-set'
6 ; CHECK-NEXT: Classifying expressions for: @or-of-constant-with-no-common-bits-set
7 ; CHECK-NEXT: %t0 = shl i8 %x, 2
8 ; CHECK-NEXT: --> (4 * %x) U: [0,-3) S: [-128,125)
9 ; CHECK-NEXT: %r = or disjoint i8 %t0, 3
10 ; CHECK-NEXT: --> (3 + (4 * %x))<nuw><nsw> U: [3,0) S: [-125,-128)
11 ; CHECK-NEXT: Determining loop execution counts for: @or-of-constant-with-no-common-bits-set
14 %r = or disjoint i8 %t0, 3
18 define i8 @or-disjoint(i8 %x, i8 %y) {
19 ; CHECK-LABEL: 'or-disjoint'
20 ; CHECK-NEXT: Classifying expressions for: @or-disjoint
21 ; CHECK-NEXT: %or = or disjoint i8 %x, %y
22 ; CHECK-NEXT: --> (%x + %y) U: full-set S: full-set
23 ; CHECK-NEXT: Determining loop execution counts for: @or-disjoint
25 %or = or disjoint i8 %x, %y
29 define i8 @or-no-disjoint(i8 %x, i8 %y) {
30 ; CHECK-LABEL: 'or-no-disjoint'
31 ; CHECK-NEXT: Classifying expressions for: @or-no-disjoint
32 ; CHECK-NEXT: %or = or i8 %x, %y
33 ; CHECK-NEXT: --> %or U: full-set S: full-set
34 ; CHECK-NEXT: Determining loop execution counts for: @or-no-disjoint
40 ; FIXME: We could add nuw nsw flags here.
41 define noundef i8 @or-disjoint-transfer-flags(i8 %x, i8 %y) {
42 ; CHECK-LABEL: 'or-disjoint-transfer-flags'
43 ; CHECK-NEXT: Classifying expressions for: @or-disjoint-transfer-flags
44 ; CHECK-NEXT: %or = or disjoint i8 %x, %y
45 ; CHECK-NEXT: --> (%x + %y) U: full-set S: full-set
46 ; CHECK-NEXT: Determining loop execution counts for: @or-disjoint-transfer-flags
48 %or = or disjoint i8 %x, %y
52 define void @mask-high(i64 %arg, ptr dereferenceable(4) %arg1) {
53 ; CHECK-LABEL: 'mask-high'
54 ; CHECK-NEXT: Classifying expressions for: @mask-high
55 ; CHECK-NEXT: %i = load i32, ptr %arg1, align 4
56 ; CHECK-NEXT: --> %i U: full-set S: full-set
57 ; CHECK-NEXT: %i2 = sext i32 %i to i64
58 ; CHECK-NEXT: --> (sext i32 %i to i64) U: [-2147483648,2147483648) S: [-2147483648,2147483648)
59 ; CHECK-NEXT: %i3 = and i64 %arg, -16
60 ; CHECK-NEXT: --> (16 * (%arg /u 16))<nuw> U: [0,-15) S: [-9223372036854775808,9223372036854775793)
61 ; CHECK-NEXT: %i4 = or disjoint i64 1, %i3
62 ; CHECK-NEXT: --> (1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw> U: [1,-14) S: [-9223372036854775807,9223372036854775794)
63 ; CHECK-NEXT: %i7 = phi i64 [ %i4, %bb ], [ %i8, %bb6 ]
64 ; CHECK-NEXT: --> {(1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>,+,1}<%bb6> U: full-set S: full-set Exits: ((sext i32 %i to i64) smax (1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>) LoopDispositions: { %bb6: Computable }
65 ; CHECK-NEXT: %i8 = add i64 %i7, 1
66 ; CHECK-NEXT: --> {(2 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>,+,1}<%bb6> U: full-set S: full-set Exits: (1 + ((sext i32 %i to i64) smax (1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>))<nsw> LoopDispositions: { %bb6: Computable }
67 ; CHECK-NEXT: Determining loop execution counts for: @mask-high
68 ; CHECK-NEXT: Loop %bb6: backedge-taken count is (-1 + (-16 * (%arg /u 16)) + ((sext i32 %i to i64) smax (1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>))
69 ; CHECK-NEXT: Loop %bb6: constant max backedge-taken count is i64 -9223372034707292162
70 ; CHECK-NEXT: Loop %bb6: symbolic max backedge-taken count is (-1 + (-16 * (%arg /u 16)) + ((sext i32 %i to i64) smax (1 + (16 * (%arg /u 16))<nuw>)<nuw><nsw>))
71 ; CHECK-NEXT: Loop %bb6: Trip multiple is 1
74 %i = load i32, ptr %arg1, align 4
75 %i2 = sext i32 %i to i64
76 %i3 = and i64 %arg, -16
77 %i4 = or disjoint i64 1, %i3
78 %i5 = icmp sgt i64 %i4, %i2
79 br i1 %i5, label %bb10, label %bb6
81 bb6: ; preds = %bb6, %bb
82 %i7 = phi i64 [ %i4, %bb ], [ %i8, %bb6 ]
84 %i9 = icmp slt i64 %i7, %i2
85 br i1 %i9, label %bb6, label %bb10
87 bb10: ; preds = %bb6, %bb