1 ; RUN: opt < %s -analyze -block-freq | FileCheck %s 2 ; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s 3 4 define void @double_backedge(i1 %x) { 5 ; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge': 6 ; CHECK-NEXT: block-frequency-info: double_backedge 7 entry: 8 ; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]] 9 br label %loop 10 11 loop: 12 ; CHECK-NEXT: loop: float = 10.0, 13 br i1 %x, label %exit, label %loop.1, !prof !0 14 15 loop.1: 16 ; CHECK-NEXT: loop.1: float = 9.0, 17 br i1 %x, label %loop, label %loop.2, !prof !1 18 19 loop.2: 20 ; CHECK-NEXT: loop.2: float = 5.0, 21 br label %loop 22 23 exit: 24 ; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]] 25 ret void 26 } 27 !0 = !{!"branch_weights", i32 1, i32 9} 28 !1 = !{!"branch_weights", i32 4, i32 5} 29
