1; RUN: llc -mcpu=corei7 -mtriple=x86_64-linux -force-precise-rotation-cost < %s | FileCheck %s -check-prefix=CHECK 2 3define void @bar() { 4; Test that all edges in the loop chain are fall through with profile data. 5; 6; CHECK-LABEL: bar: 7; CHECK: latch 8; CHECK: header 9; CHECK: if.then 10; CHECK: end 11 12entry: 13 br label %header 14 15header: 16 call void @e() 17 %call = call zeroext i1 @a() 18 br i1 %call, label %if.then, label %latch, !prof !1 19 20if.then: 21 call void @f() 22 %call3 = call zeroext i1 @a() 23 br i1 %call3, label %latch, label %end, !prof !2 24 25latch: 26 call void @h() 27 %call2 = call zeroext i1 @a() 28 br i1 %call2, label %header, label %end, !prof !3 29 30end: 31 ret void 32} 33 34declare zeroext i1 @a() 35declare void @e() 36declare void @f() 37declare void @g() 38declare void @h() 39 40!1 = !{!"branch_weights", i32 16, i32 16} 41!2 = !{!"branch_weights", i32 97, i32 3} 42!3 = !{!"branch_weights", i32 97, i32 3} 43