1 files changed, 53 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/cast-call-combine-prof.ll b/test/Transforms/InstCombine/cast-call-combine-prof.ll
new file mode 100644
index 0000000000000..05b71b666e242
--- /dev/null
+++ b/test/Transforms/InstCombine/cast-call-combine-prof.ll
@@ -0,0 +1,53 @@
+; RUN: opt -S -instcombine < %s | FileCheck %s
+
+; Check that instcombine preserves !prof metadata when removing function
+; prototype casts.
+
+declare i32 @__gxx_personality_v0(...)
+declare void @__cxa_call_unexpected(i8*)
+declare void @foo(i16* %a)
+
+; CHECK-LABEL: @test_call()
+; CHECK: call void @foo(i16* null), !prof ![[PROF:[0-9]+]]
+define void @test_call() {
+  call void bitcast (void (i16*)* @foo to void (i8*)*) (i8* null), !prof !0
+  ret void
+}
+
+; CHECK-LABEL: @test_invoke()
+; CHECK: invoke void @foo(i16* null)
+; CHECK-NEXT: to label %done unwind label %lpad, !prof ![[PROF]]
+define void @test_invoke() personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
+  invoke void bitcast (void (i16*)* @foo to void (i8*)*) (i8* null)
+          to label %done unwind label %lpad, !prof !0
+
+done:
+  ret void
+
+lpad:
+  %lp = landingpad { i8*, i32 }
+          filter [0 x i8*] zeroinitializer
+  %ehptr = extractvalue { i8*, i32 } %lp, 0
+  tail call void @__cxa_call_unexpected(i8* %ehptr) noreturn nounwind
+  unreachable
+}
+
+; CHECK: ![[PROF]] = !{!"branch_weights", i32 2000}
+!0 = !{!"VP", i32 0, i64 2000, i64 -3913987384944532146, i64 2000}
+
+!llvm.module.flags = !{!1}
+
+!1 = !{i32 1, !"ProfileSummary", !2}
+!2 = !{!3, !4, !5, !6, !7, !8, !9, !10}
+!3 = !{!"ProfileFormat", !"InstrProf"}
+!4 = !{!"TotalCount", i64 10000}
+!5 = !{!"MaxCount", i64 1000}
+!6 = !{!"MaxInternalCount", i64 1}
+!7 = !{!"MaxFunctionCount", i64 1000}
+!8 = !{!"NumCounts", i64 3}
+!9 = !{!"NumFunctions", i64 3}
+!10 = !{!"DetailedSummary", !11}
+!11 = !{!12, !13, !14}
+!12 = !{i32 10000, i64 1000, i32 1}
+!13 = !{i32 999000, i64 1000, i32 1}
+!14 = !{i32 999999, i64 1, i32 2}