diff options
Diffstat (limited to 'llvm/test/Transforms/CodeExtractor/cost.ll')
-rw-r--r-- | llvm/test/Transforms/CodeExtractor/cost.ll | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/llvm/test/Transforms/CodeExtractor/cost.ll b/llvm/test/Transforms/CodeExtractor/cost.ll new file mode 100644 index 00000000000..841b42b7c35 --- /dev/null +++ b/llvm/test/Transforms/CodeExtractor/cost.ll @@ -0,0 +1,64 @@ +; RUN: opt -S < %s -partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s +; RUN: opt -S < %s -passes=partial-inliner -partial-inlining-extra-penalty=10 | FileCheck %s +define i32 @outline_region_notlikely(i32* %arg) local_unnamed_addr { +bb: +; ptr != null is predicted to be true + %tmp = icmp ne i32* %arg, null + br i1 %tmp, label %bb8, label %bb1 + +; bb1 is not likely +bb1: ; preds = %bb + %tmp2 = tail call i32 @foo(i32* nonnull %arg) + %tmp3 = tail call i32 @foo(i32* nonnull %arg) + %tmp4 = tail call i32 @foo(i32* nonnull %arg) + %tmp5 = tail call i32 @foo(i32* nonnull %arg) + %tmp6 = tail call i32 @foo(i32* nonnull %arg) + %tmp7 = tail call i32 @foo(i32* nonnull %arg) + br label %bb8 + +bb8: ; preds = %bb1, %bb + %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] + ret i32 %tmp9 +} + +define i32 @outline_region_likely(i32* %arg) local_unnamed_addr { +bb: +; ptr == null is predicted to be false + %tmp = icmp eq i32* %arg, null + br i1 %tmp, label %bb8, label %bb1 + +; bb1 is likely +bb1: ; preds = %bb + %tmp2 = tail call i32 @foo(i32* nonnull %arg) + %tmp3 = tail call i32 @foo(i32* nonnull %arg) + %tmp4 = tail call i32 @foo(i32* nonnull %arg) + %tmp5 = tail call i32 @foo(i32* nonnull %arg) + %tmp6 = tail call i32 @foo(i32* nonnull %arg) + %tmp7 = tail call i32 @foo(i32* nonnull %arg) + br label %bb8 + +bb8: ; preds = %bb1, %bb + %tmp9 = phi i32 [ 0, %bb1 ], [ 1, %bb ] + ret i32 %tmp9 +} + +declare i32 @foo(i32* %arg) + +define i32 @dummy_caller(i32* %arg) local_unnamed_addr { +; CHECK-LABEL: @dummy_caller + %tmp = call i32 @outline_region_notlikely(i32* %arg) +; CHECK: call void @outline_region_notlikely.2.bb1 + %tmp2 = tail call i32 @outline_region_likely(i32* %arg) +; CHECK: %tmp2 = tail call i32 @outline_region_likely(i32* %arg) + ret i32 %tmp + +} + +; CHECK-LABEL: define internal void @outline_region_notlikely.2.bb1(i32* %arg) { +; CHECK-NEXT: newFuncRoot: + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"wchar_size", i32 4} +!1 = !{!"clang version 5.0.0 (trunk 304489)"} |