| 1234567891011121314151617181920212223242526 |
- ; RUN: opt < %s -loop-deletion -S | FileCheck %s
- ; Checks whether dead loops with multiple exits can be eliminated
- ; CHECK: entry:
- ; CHECK-NEXT: br label %return
- ; CHECK: return:
- ; CHECK-NEXT: ret void
- define void @foo(i64 %n, i64 %m) nounwind {
- entry:
- br label %bb
- bb:
- %x.0 = phi i64 [ 0, %entry ], [ %t0, %bb2 ]
- %t0 = add i64 %x.0, 1
- %t1 = icmp slt i64 %x.0, %n
- br i1 %t1, label %bb2, label %return
- bb2:
- %t2 = icmp slt i64 %x.0, %m
- br i1 %t1, label %bb, label %return
- return:
- ret void
- }
|
