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- ; RUN: opt < %s -analyze -block-freq | FileCheck %s
- define void @double_backedge(i1 %x) {
- ; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
- ; CHECK-NEXT: block-frequency-info: double_backedge
- entry:
- ; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
- br label %loop
- loop:
- ; CHECK-NEXT: loop: float = 10.0,
- br i1 %x, label %exit, label %loop.1, !prof !0
- loop.1:
- ; CHECK-NEXT: loop.1: float = 9.0,
- br i1 %x, label %loop, label %loop.2, !prof !1
- loop.2:
- ; CHECK-NEXT: loop.2: float = 5.0,
- br label %loop
- exit:
- ; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
- ret void
- }
- !0 = !{!"branch_weights", i32 1, i32 9}
- !1 = !{!"branch_weights", i32 4, i32 5}
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