Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Transforms/CodeExtractor/cost_meta.ll

@@ -0,0 +1,41 @@
+; RUN: opt -S < %s  -partial-inliner -partial-inlining-extra-penalty=2000 | FileCheck %s
+; RUN: opt -S < %s  -passes=partial-inliner -partial-inlining-extra-penalty=2000 | 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, !prof !2
+
+; 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 @dummy_caller(i32* %arg) local_unnamed_addr {
+; CHECK-LABEL: @dummy_caller
+  %tmp = call i32 @outline_region_notlikely(i32* %arg)
+  ret i32 %tmp
+ }
+
+
+; CHECK-LABEL: define internal void @outline_region_notlikely.1_bb1(i32* %arg) {
+; CHECK-NEXT: newFuncRoot:
+
+declare i32 @foo(i32 * %arg)
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang version 5.0.0 (trunk 304489)"}
+!2 = !{!"branch_weights", i32 2000, i32 1}