1 ; RUN: opt < %s -analyze -block-freq | FileCheck %s 2 3 define void @double_backedge(i1 %x) { 4 ; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge': 5 ; CHECK-NEXT: block-frequency-info: double_backedge 6 entry: 7 ; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]] 8 br label %loop 9 10 loop: 11 ; CHECK-NEXT: loop: float = 10.0, 12 br i1 %x, label %exit, label %loop.1, !prof !0 13 14 loop.1: 15 ; CHECK-NEXT: loop.1: float = 9.0, 16 br i1 %x, label %loop, label %loop.2, !prof !1 17 18 loop.2: 19 ; CHECK-NEXT: loop.2: float = 5.0, 20 br label %loop 21 22 exit: 23 ; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]] 24 ret void 25 } 26 !0 = !{!"branch_weights", i32 1, i32 9} 27 !1 = !{!"branch_weights", i32 4, i32 5} 28
