1 files changed, 109 insertions, 0 deletions
diff --git a/test/Analysis/Lint/cppeh-catch-intrinsics-clean.ll b/test/Analysis/Lint/cppeh-catch-intrinsics-clean.ll
new file mode 100644
index 0000000..e398d71
--- /dev/null
+++ b/test/Analysis/Lint/cppeh-catch-intrinsics-clean.ll
@@ -0,0 +1,109 @@
+; RUN: opt -lint -disable-output < %s
+
+; This test is meant to prove that the verifier does not report errors for correct
+; use of the llvm.eh.begincatch and llvm.eh.endcatch intrinsics.
+
+target triple = "x86_64-pc-windows-msvc"
+
+declare i8* @llvm.eh.begincatch(i8*)
+
+declare void @llvm.eh.endcatch()
+
+@_ZTIi = external constant i8*
+
+; Function Attrs: uwtable
+define void @test_ref_clean() {
+entry:
+  invoke void @_Z9may_throwv()
+          to label %try.cont unwind label %lpad
+
+lpad:                                             ; preds = %entry
+  %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+          catch i8* bitcast (i8** @_ZTIi to i8*)
+  %exn = extractvalue { i8*, i32 } %0, 0
+  %sel = extractvalue { i8*, i32 } %0, 1
+  %1 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
+  %matches = icmp eq i32 %sel, %1
+  br i1 %matches, label %catch, label %eh.resume
+
+catch:                                            ; preds = %lpad
+  %2 = call i8* @llvm.eh.begincatch(i8* %exn)
+  call void @_Z10handle_intv()
+  br label %invoke.cont2
+
+invoke.cont2:                                     ; preds = %catch
+  call void @llvm.eh.endcatch()
+  br label %try.cont
+
+try.cont:                                         ; preds = %invoke.cont2, %entry
+  ret void
+
+eh.resume:                                        ; preds = %catch.dispatch
+  resume { i8*, i32 } %0
+}
+
+; Function Attrs: uwtable
+define void @test_ref_clean_multibranch() {
+entry:
+  invoke void @_Z9may_throwv()
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:
+  invoke void @_Z9may_throwv()
+          to label %invoke.cont unwind label %lpad1
+
+lpad:                                             ; preds = %entry
+  %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+          catch i8* bitcast (i8** @_ZTIi to i8*)
+  %exn = extractvalue { i8*, i32 } %0, 0
+  %sel = extractvalue { i8*, i32 } %0, 1
+  %1 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
+  %matches = icmp eq i32 %sel, %1
+  br i1 %matches, label %catch, label %eh.resume
+
+  invoke void @_Z9may_throwv()
+          to label %try.cont unwind label %lpad
+
+lpad1:                                            ; preds = %entry
+  %l1.0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
+		  cleanup
+          catch i8* bitcast (i8** @_ZTIi to i8*)
+  %exn1 = extractvalue { i8*, i32 } %l1.0, 0
+  %sel1 = extractvalue { i8*, i32 } %l1.0, 1
+  %l1.1 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*))
+  %matchesl1 = icmp eq i32 %sel1, %l1.1
+  br i1 %matchesl1, label %catch, label %eh.resume
+
+catch:                                            ; preds = %lpad, %lpad1
+  %exn2 = phi i8* [%exn, %lpad], [%exn1, %lpad1]
+  %sel2 = phi i32 [%sel, %lpad], [%sel1, %lpad1]
+  %3 = call i8* @llvm.eh.begincatch(i8* %exn2)
+  call void @_Z10handle_intv()
+  %matches1 = icmp eq i32 %sel2, 0
+  br i1 %matches1, label %invoke.cont2, label %invoke.cont3
+
+invoke.cont2:                                     ; preds = %catch
+  call void @llvm.eh.endcatch()
+  br label %try.cont
+
+invoke.cont3:                                     ; preds = %catch
+  call void @llvm.eh.endcatch()
+  br label %eh.resume
+
+try.cont:                                         ; preds = %invoke.cont2, %entry
+  ret void
+
+eh.resume:                                        ; preds = %catch.dispatch
+  %lpad.val = insertvalue { i8*, i32 } undef, i32 0, 1
+  resume { i8*, i32 } %lpad.val
+}
+
+declare void @_Z9may_throwv()
+
+declare i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind readnone
+declare i32 @llvm.eh.typeid.for(i8*)
+
+declare void @_Z10handle_intv()
+