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-rw-r--r--llvm/test/Transforms/CodeExtractor/cost.ll64
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)"}
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