1 ; RUN: opt < %s -jump-threading -S | FileCheck %s
2 ; There should be no uncond branches left.
3 ; RUN: opt < %s -jump-threading -S | not grep {br label}
9 define i32 @test1(i1 %cond) {
12 br i1 %cond, label %T1, label %F1
23 %A = phi i1 [true, %T1], [false, %F1]
24 %B = phi i32 [%v1, %T1], [%v2, %F1]
25 br i1 %A, label %T2, label %F2
40 ;; cond is known false on Entry -> F1 edge!
41 define i32 @test2(i1 %cond) {
44 br i1 %cond, label %T1, label %F1
47 ; CHECK: %v1 = call i32 @f1()
53 br i1 %cond, label %Merge, label %F2
56 %B = phi i32 [47, %T1], [192, %F1]
66 define i32 @test3(i1 %cond) {
69 ; CHECK-NEXT: ret i32 42
70 br i1 undef, label %T1, label %F1