| Xinliang David Li | 0b7d858 | 2017-06-02 22:08:04 +0000 | [diff] [blame] | 1 | ; RUN: opt -S < %s -partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s |
| 2 | ; RUN: opt -S < %s -passes=partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s |
| 3 | define i32 @outline_region_notlikely(i32* %arg) local_unnamed_addr { |
| 4 | bb: |
| 5 | ; ptr != null is predicted to be true |
| 6 | %tmp = icmp ne i32* %arg, null |
| 7 | br i1 %tmp, label %bb8, label %bb1 |
| 8 | |
| 9 | ; bb1 is not likely |
| 10 | bb1: ; preds = %bb |
| 11 | %tmp2 = tail call i32 @foo(i32* nonnull %arg) |
| 12 | %tmp3 = tail call i32 @foo(i32* nonnull %arg) |
| 13 | %tmp4 = tail call i32 @foo(i32* nonnull %arg) |
| 14 | %tmp5 = tail call i32 @foo(i32* nonnull %arg) |
| 15 | %tmp6 = tail call i32 @foo(i32* nonnull %arg) |
| 16 | %tmp7 = tail call i32 @foo(i32* nonnull %arg) |
| 17 | br label %bb8 |
| 18 | |
| 19 | bb8: ; preds = %bb1, %bb |
| 20 | %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] |
| 21 | ret i32 %tmp9 |
| 22 | } |
| 23 | |
| 24 | define i32 @outline_region_likely(i32* %arg) local_unnamed_addr { |
| 25 | bb: |
| 26 | ; ptr == null is predicted to be false |
| 27 | %tmp = icmp eq i32* %arg, null |
| 28 | br i1 %tmp, label %bb8, label %bb1 |
| 29 | |
| 30 | ; bb1 is likely |
| 31 | bb1: ; preds = %bb |
| 32 | %tmp2 = tail call i32 @foo(i32* nonnull %arg) |
| 33 | %tmp3 = tail call i32 @foo(i32* nonnull %arg) |
| 34 | %tmp4 = tail call i32 @foo(i32* nonnull %arg) |
| 35 | %tmp5 = tail call i32 @foo(i32* nonnull %arg) |
| 36 | %tmp6 = tail call i32 @foo(i32* nonnull %arg) |
| 37 | %tmp7 = tail call i32 @foo(i32* nonnull %arg) |
| 38 | br label %bb8 |
| 39 | |
| 40 | bb8: ; preds = %bb1, %bb |
| 41 | %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] |
| 42 | ret i32 %tmp9 |
| 43 | } |
| 44 | |
| 45 | declare i32 @foo(i32* %arg) |
| 46 | |
| 47 | define i32 @dummy_caller(i32* %arg) local_unnamed_addr { |
| 48 | ; CHECK-LABEL: @dummy_caller |
| 49 | %tmp = call i32 @outline_region_notlikely(i32* %arg) |
| 50 | ; CHECK: call void @outline_region_notlikely.2_bb1 |
| 51 | %tmp2 = tail call i32 @outline_region_likely(i32* %arg) |
| 52 | ; CHECK: %tmp2 = tail call i32 @outline_region_likely(i32* %arg) |
| 53 | ret i32 %tmp |
| 54 | |
| 55 | } |
| 56 | |
| 57 | ; CHECK-LABEL: define internal void @outline_region_notlikely.2_bb1(i32* %arg) { |
| 58 | ; CHECK-NEXT: newFuncRoot: |
| 59 | |
| 60 | !llvm.module.flags = !{!0} |
| 61 | !llvm.ident = !{!1} |
| 62 | |
| 63 | !0 = !{i32 1, !"wchar_size", i32 4} |
| 64 | !1 = !{!"clang version 5.0.0 (trunk 304489)"} |