| ; RUN: opt %s -disable-output -passes="jump-threading,print<lazy-value-info>" 2>&1 | FileCheck %s |
| |
| ; first to populate the values. |
| |
| define i32 @constraint(i32 %a) { |
| ; CHECK-LABEL: LVI for function 'constraint': |
| chklt64: |
| ; CHECK-LABEL: chklt64: |
| ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%chklt64' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%chkgt0' is: constantrange<-1, 0> |
| ; CHECK-NEXT: ; LatticeVal for: ' %cmp = icmp slt i32 %a, 64' in BB: '%notinbounds' is: overdefined |
| ; CHECK-NEXT: %cmp = icmp slt i32 %a, 64 |
| ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%chklt64' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%chkgt0' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp, label %chkgt0, label %notinbounds' in BB: '%notinbounds' is: overdefined |
| ; CHECK-NEXT: br i1 %cmp, label %chkgt0, label %notinbounds |
| %cmp = icmp slt i32 %a, 64 |
| br i1 %cmp, label %chkgt0, label %notinbounds |
| |
| chkgt0: |
| ; CHECK-LABEL: chkgt0: |
| ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<-2147483648, 64> |
| ; CHECK-NEXT: ; LatticeVal for: ' %cmp1 = icmp sgt i32 %a, 0' in BB: '%chkgt0' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' %cmp1 = icmp sgt i32 %a, 0' in BB: '%inbounds' is: constantrange<-1, 0> |
| ; CHECK-NEXT: %cmp1 = icmp sgt i32 %a, 0 |
| ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp1, label %inbounds, label %notinbounds' in BB: '%chkgt0' is: overdefined |
| ; CHECK-NEXT: ; LatticeVal for: ' br i1 %cmp1, label %inbounds, label %notinbounds' in BB: '%inbounds' is: overdefined |
| ; CHECK-NEXT: br i1 %cmp1, label %inbounds, label %notinbounds |
| %cmp1 = icmp sgt i32 %a, 0 |
| br i1 %cmp1, label %inbounds, label %notinbounds |
| |
| inbounds: |
| ; CHECK-LABEL: inbounds: |
| ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<1, 64> |
| ; CHECK-NEXT: ; LatticeVal for: ' ret i32 %a' in BB: '%inbounds' is: overdefined |
| ; CHECK-NEXT: ret i32 %a |
| ret i32 %a |
| |
| notinbounds: |
| ; CHECK-LABEL: notinbounds: |
| ; CHECK-NEXT: ; LatticeVal for: 'i32 %a' is: constantrange<64, 1> |
| ; CHECK-NEXT: ; LatticeVal for: ' %sum = add i32 %a, 64' in BB: '%notinbounds' is: constantrange<128, 65> |
| ; CHECK-NEXT: %sum = add i32 %a, 64 |
| ; CHECK-NEXT: ; LatticeVal for: ' ret i32 %sum' in BB: '%notinbounds' is: overdefined |
| ; CHECK-NEXT: ret i32 %sum |
| %sum = add i32 %a, 64 |
| ret i32 %sum |
| } |