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-rw-r--r--test/Transforms/ObjCARC/invoke.ll66
1 files changed, 66 insertions, 0 deletions
diff --git a/test/Transforms/ObjCARC/invoke.ll b/test/Transforms/ObjCARC/invoke.ll
index 9e26209..a852c4e 100644
--- a/test/Transforms/ObjCARC/invoke.ll
+++ b/test/Transforms/ObjCARC/invoke.ll
@@ -103,6 +103,72 @@ finally.rethrow: ; preds = %invoke.cont, %entry
unreachable
}
+; Don't try to place code on invoke critical edges.
+
+; CHECK: define void @test3(
+; CHECK: if.end:
+; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
+; CHECK-NEXT: ret void
+define void @test3(i8* %p, i1 %b) {
+entry:
+ %0 = call i8* @objc_retain(i8* %p)
+ call void @callee()
+ br i1 %b, label %if.else, label %if.then
+
+if.then:
+ invoke void @use_pointer(i8* %p)
+ to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
+
+if.else:
+ invoke void @use_pointer(i8* %p)
+ to label %if.end unwind label %lpad, !clang.arc.no_objc_arc_exceptions !0
+
+lpad:
+ %r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
+ cleanup
+ ret void
+
+if.end:
+ call void @objc_release(i8* %p)
+ ret void
+}
+
+; Like test3, but with ARC-relevant exception handling.
+
+; CHECK: define void @test4(
+; CHECK: lpad:
+; CHECK-NEXT: %r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
+; CHECK-NEXT: ret void
+; CHECK: if.end:
+; CHECK-NEXT: call void @objc_release(i8* %p) nounwind
+; CHECK-NEXT: ret void
+define void @test4(i8* %p, i1 %b) {
+entry:
+ %0 = call i8* @objc_retain(i8* %p)
+ call void @callee()
+ br i1 %b, label %if.else, label %if.then
+
+if.then:
+ invoke void @use_pointer(i8* %p)
+ to label %if.end unwind label %lpad
+
+if.else:
+ invoke void @use_pointer(i8* %p)
+ to label %if.end unwind label %lpad
+
+lpad:
+ %r = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__objc_personality_v0 to i8*)
+ cleanup
+ call void @objc_release(i8* %p)
+ ret void
+
+if.end:
+ call void @objc_release(i8* %p)
+ ret void
+}
+
declare i32 @__gxx_personality_v0(...)
declare i32 @__objc_personality_v0(...)