Index: llvm/test/Transforms/OpenMP/rtf_type_checking.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/OpenMP/rtf_type_checking.ll
@@ -0,0 +1,63 @@
+; RUN: opt -S -openmpopt -stats < %s 2>&1 | FileCheck %s
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+
+%struct.ident_t = type { i32, i32, i32, i32, i8* }
+
+@.str = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00", align 1
+@0 = private unnamed_addr global %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
+@1 = private unnamed_addr global %struct.ident_t { i32 0, i32 322, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* @.str, i32 0, i32 0) }, align 8
+
+; Function Attrs: noinline nounwind optnone uwtable
+define i32 @main() #0 {
+entry:
+
+  call void (%struct.ident_t*, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(%struct.ident_t* nonnull @0, void (i32*, i32*, ...)* bitcast (void (i32*, i32*)* @.omp_outlined. to void (i32*, i32*, ...)*))
+  ret i32 0
+}
+
+; Only the last runtime call will be matched due that the rest of the "runtime function" calls
+; have some type mismatch compared to the real runtime function. See the check at bottom.
+define internal void @.omp_outlined.(i32* noalias %.global_tid., i32* noalias %.bound_tid.) #1 {
+entry:
+
+  call void @__kmpc_master(%struct.ident_t* nonnull @0)
+  call void @__kmpc_end_master(%struct.ident_t* nonnull @0, i32 0, i32 0)
+  call void @__kmpc_barrier(%struct.ident_t* nonnull @1, float 0.0)
+  call void @omp_get_thread_num()
+  ret void
+}
+
+; Fewer arguments than expected in variadic function.
+declare !callback !2 void @__kmpc_fork_call(%struct.ident_t*, void (i32*, i32*, ...)*, ...)
+
+; Fewer number of arguments in non variadic function.
+declare void @__kmpc_master(%struct.ident_t*)
+
+; Bigger number of arguments in non variadic function.
+declare void @__kmpc_end_master(%struct.ident_t*, i32, i32)
+
+; Different argument type than the expected.
+declare void @__kmpc_barrier(%struct.ident_t*, float)
+
+; Different return type.
+declare void @omp_get_thread_num()
+
+attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="ieee,ieee" "denormal-fp-math-f32"="ieee,ieee" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { noinline norecurse nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "denormal-fp-math"="ieee,ieee" "denormal-fp-math-f32"="ieee,ieee" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.module.flags = !{!0}
+!llvm.ident = !{!1}
+
+!0 = !{i32 1, !"wchar_size", i32 4}
+!1 = !{!"clang"}
+!2 = !{!3}
+!3 = !{i64 2, i64 -1, i64 -1, i1 true}
+; CHECK: ===-------------------------------------------------------------------------===
+; CHECK:                        ... Statistics Collected ...
+; CHECK: ===-------------------------------------------------------------------------===
+;
+; CHECK: 1 cgscc-passmgr - Maximum CGSCCPassMgr iterations on one SCC
+; CHECK-NOT: openmp-opt{{.*}}
+
+; Note that there are no stats for the openmp runtime function calls. None of the declared above was matched.