1; RUN: opt -S < %s -passes=partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s 2define i32 @outline_region_notlikely(ptr %arg) local_unnamed_addr { 3bb: 4; ptr != null is predicted to be true 5 %tmp = icmp ne ptr %arg, null 6 br i1 %tmp, label %bb8, label %bb1 7 8; bb1 is not likely 9bb1: ; preds = %bb 10 %tmp2 = tail call i32 @foo(ptr nonnull %arg) 11 %tmp3 = tail call i32 @foo(ptr nonnull %arg) 12 %tmp4 = tail call i32 @foo(ptr nonnull %arg) 13 %tmp5 = tail call i32 @foo(ptr nonnull %arg) 14 %tmp6 = tail call i32 @foo(ptr nonnull %arg) 15 %tmp7 = tail call i32 @foo(ptr nonnull %arg) 16 br label %bb8 17 18bb8: ; preds = %bb1, %bb 19 %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] 20 ret i32 %tmp9 21} 22 23define i32 @outline_region_likely(ptr %arg) local_unnamed_addr { 24bb: 25; ptr == null is predicted to be false 26 %tmp = icmp eq ptr %arg, null 27 br i1 %tmp, label %bb8, label %bb1 28 29; bb1 is likely 30bb1: ; preds = %bb 31 %tmp2 = tail call i32 @foo(ptr nonnull %arg) 32 %tmp3 = tail call i32 @foo(ptr nonnull %arg) 33 %tmp4 = tail call i32 @foo(ptr nonnull %arg) 34 %tmp5 = tail call i32 @foo(ptr nonnull %arg) 35 %tmp6 = tail call i32 @foo(ptr nonnull %arg) 36 %tmp7 = tail call i32 @foo(ptr nonnull %arg) 37 br label %bb8 38 39bb8: ; preds = %bb1, %bb 40 %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] 41 ret i32 %tmp9 42} 43 44declare i32 @foo(ptr %arg) 45 46define i32 @dummy_caller(ptr %arg) local_unnamed_addr { 47; CHECK-LABEL: @dummy_caller 48 %tmp = call i32 @outline_region_notlikely(ptr %arg) 49; CHECK: call void @outline_region_notlikely.2.bb1 50 %tmp2 = tail call i32 @outline_region_likely(ptr %arg) 51; CHECK: %tmp2 = tail call i32 @outline_region_likely(ptr %arg) 52 ret i32 %tmp 53 54} 55 56; CHECK-LABEL: define internal void @outline_region_notlikely.2.bb1(ptr %arg) { 57; CHECK-NEXT: newFuncRoot: 58 59!llvm.module.flags = !{!0} 60!llvm.ident = !{!1} 61 62!0 = !{i32 1, !"wchar_size", i32 4} 63!1 = !{!"clang version 5.0.0 (trunk 304489)"} 64