1 ; RUN: opt %s -disable-output -passes="jump-threading,print<lazy-value-info>" 2>&1 | FileCheck %s
3 ; first to populate the values.
5 define i32 @constraint(i32 %a) {
6 ; CHECK-LABEL: LVI for function 'constraint':
8 ; CHECK-LABEL: chklt64:
9 ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: overdefined
10 ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%chklt64' is: overdefined
11 ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%chkgt0' is: constantrange<-1, 0>
12 ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%notinbounds' is: overdefined
13 ; CHECK-NEXT: %cmp = icmp slt i32 %a, 64
14 ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%chklt64' is: overdefined
15 ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%chkgt0' is: overdefined
16 ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%notinbounds' is: overdefined
17 ; CHECK-NEXT: br i1 %cmp, label %chkgt0, label %notinbounds
18 %cmp = icmp slt i32 %a, 64
19 br i1 %cmp, label %chkgt0, label %notinbounds
22 ; CHECK-LABEL: chkgt0:
23 ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<-2147483648, 64>
24 ; CHECK-NEXT: ; LatticeVal for: ' %cmp1 = icmp sgt i32 %a, 0' in BB: '%chkgt0' is: overdefined
25 ; CHECK-NEXT: ; LatticeVal for: ' %cmp1 = icmp sgt i32 %a, 0' in BB: '%inbounds' is: constantrange<-1, 0>
26 ; CHECK-NEXT: %cmp1 = icmp sgt i32 %a, 0
27 ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp1, label %inbounds, label %notinbounds' in BB: '%chkgt0' is: overdefined
28 ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp1, label %inbounds, label %notinbounds' in BB: '%inbounds' is: overdefined
29 ; CHECK-NEXT: br i1 %cmp1, label %inbounds, label %notinbounds
30 %cmp1 = icmp sgt i32 %a, 0
31 br i1 %cmp1, label %inbounds, label %notinbounds
34 ; CHECK-LABEL: inbounds:
35 ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<1, 64>
36 ; CHECK-NEXT: ; LatticeVal for: ' ret i32 %a' in BB: '%inbounds' is: overdefined
37 ; CHECK-NEXT: ret i32 %a
41 ; CHECK-LABEL: notinbounds:
42 ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<64, 1>
43 ; CHECK-NEXT: ; LatticeVal for: ' %sum = add i32 %a, 64' in BB: '%notinbounds' is: constantrange<128, 65>
44 ; CHECK-NEXT: %sum = add i32 %a, 64
45 ; CHECK-NEXT: ; LatticeVal for: ' ret i32 %sum' in BB: '%notinbounds' is: overdefined
46 ; CHECK-NEXT: ret i32 %sum