1 files changed, 203 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/landing-pad.ll b/test/Transforms/JumpThreading/landing-pad.ll
new file mode 100644
index 0000000..9ee0526
--- /dev/null
+++ b/test/Transforms/JumpThreading/landing-pad.ll
@@ -0,0 +1,203 @@
+; RUN: opt < %s -disable-output -jump-threading
+
+%class.E = type { i32 (...)**, %class.C }
+%class.C = type { %class.A }
+%class.A = type { i32 }
+%class.D = type { %class.F }
+%class.F = type { %class.E }
+%class.B = type { %class.D* }
+
+@_ZTV1D = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8*, i8* }* @_ZTI1D to i8*), i8* bitcast (void (%class.D*)* @_ZN1D7doApplyEv to i8*)]
+@_ZTI1D = external unnamed_addr constant { i8*, i8*, i8* }
+
+define void @_ZN15EditCommandImpl5applyEv(%class.E* %this) uwtable align 2 {
+entry:
+  %0 = bitcast %class.E* %this to void (%class.E*)***
+  %vtable = load void (%class.E*)*** %0, align 8
+  %1 = load void (%class.E*)** %vtable, align 8
+  call void %1(%class.E* %this)
+  ret void
+}
+
+define void @_ZN1DC1Ev(%class.D* nocapture %this) unnamed_addr uwtable align 2 {
+entry:
+  call void @_ZN24CompositeEditCommandImplC2Ev()
+  %0 = getelementptr inbounds %class.D* %this, i64 0, i32 0, i32 0, i32 0
+  store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1D, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
+  ret void
+}
+
+define void @_ZN1DC2Ev(%class.D* nocapture %this) unnamed_addr uwtable align 2 {
+entry:
+  call void @_ZN24CompositeEditCommandImplC2Ev()
+  %0 = getelementptr inbounds %class.D* %this, i64 0, i32 0, i32 0, i32 0
+  store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1D, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
+  ret void
+}
+
+declare void @_ZN24CompositeEditCommandImplC2Ev() #1
+
+define void @_ZN1D7doApplyEv(%class.D* nocapture %this) unnamed_addr nounwind readnone uwtable align 2 {
+entry:
+  ret void
+}
+
+define void @_Z3fn1v() uwtable {
+entry:
+  %call = call noalias i8* @_Znwm() #8
+  invoke void @_ZN24CompositeEditCommandImplC2Ev()
+          to label %_ZN1DC1Ev.exit unwind label %lpad
+
+_ZN1DC1Ev.exit:                                   ; preds = %entry
+  %0 = bitcast i8* %call to i32 (...)***
+  store i32 (...)** bitcast (i8** getelementptr inbounds ([3 x i8*]* @_ZTV1D, i64 0, i64 2) to i32 (...)**), i32 (...)*** %0, align 8
+  %_ref.i.i.i = getelementptr inbounds i8* %call, i64 8
+  %1 = bitcast i8* %_ref.i.i.i to i32*
+  %2 = load i32* %1, align 4
+  %inc.i.i.i = add nsw i32 %2, 1
+  store i32 %inc.i.i.i, i32* %1, align 4
+  %3 = bitcast i8* %call to %class.D*
+  invoke void @_ZN1D7doApplyEv(%class.D* %3)
+          to label %_ZN15EditCommandImpl5applyEv.exit unwind label %lpad1
+
+_ZN15EditCommandImpl5applyEv.exit:                ; preds = %_ZN1DC1Ev.exit
+  invoke void @_ZN1D16deleteKeyPressedEv()
+          to label %invoke.cont7 unwind label %lpad1
+
+invoke.cont7:                                     ; preds = %_ZN15EditCommandImpl5applyEv.exit
+  ret void
+
+lpad:                                             ; preds = %entry
+  %4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+          cleanup
+  call void @_ZdlPv() #9
+  unreachable
+
+lpad1:                                            ; preds = %_ZN1DC1Ev.exit, %_ZN15EditCommandImpl5applyEv.exit
+  %5 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+          cleanup
+  %6 = load i32* %1, align 4
+  %tobool.i.i.i = icmp eq i32 %6, 0
+  br i1 %tobool.i.i.i, label %_ZN1BI1DED1Ev.exit, label %if.then.i.i.i
+
+if.then.i.i.i:                                    ; preds = %lpad1
+  br i1 undef, label %_ZN1BI1DED1Ev.exit, label %delete.notnull.i.i.i
+
+delete.notnull.i.i.i:                             ; preds = %if.then.i.i.i
+  call void @_ZdlPv() #9
+  unreachable
+
+_ZN1BI1DED1Ev.exit:                               ; preds = %lpad1, %if.then.i.i.i
+  resume { i8*, i32 } undef
+
+terminate.lpad:                                   ; No predecessors!
+  %7 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
+          catch i8* null
+  unreachable
+}
+
+define void @_ZN1BI1DEC1EPS0_(%class.B* nocapture %this, %class.D* %p1) unnamed_addr uwtable align 2 {
+entry:
+  %m_ptr.i = getelementptr inbounds %class.B* %this, i64 0, i32 0
+  store %class.D* %p1, %class.D** %m_ptr.i, align 8
+  %_ref.i.i = getelementptr inbounds %class.D* %p1, i64 0, i32 0, i32 0, i32 1, i32 0, i32 0
+  %0 = load i32* %_ref.i.i, align 4
+  %inc.i.i = add nsw i32 %0, 1
+  store i32 %inc.i.i, i32* %_ref.i.i, align 4
+  ret void
+}
+
+declare noalias i8* @_Znwm()
+
+declare i32 @__gxx_personality_v0(...)
+
+declare void @_ZdlPv()
+
+define %class.D* @_ZN1BI1DEptEv(%class.B* nocapture readonly %this) nounwind readonly uwtable align 2 {
+entry:
+  %m_ptr = getelementptr inbounds %class.B* %this, i64 0, i32 0
+  %0 = load %class.D** %m_ptr, align 8
+  ret %class.D* %0
+}
+
+declare void @_ZN1D16deleteKeyPressedEv()
+
+define void @_ZN1BI1DED1Ev(%class.B* nocapture readonly %this) unnamed_addr uwtable align 2 {
+entry:
+  %m_ptr.i = getelementptr inbounds %class.B* %this, i64 0, i32 0
+  %0 = load %class.D** %m_ptr.i, align 8
+  %_ref.i.i = getelementptr inbounds %class.D* %0, i64 0, i32 0, i32 0, i32 1, i32 0, i32 0
+  %1 = load i32* %_ref.i.i, align 4
+  %tobool.i.i = icmp eq i32 %1, 0
+  br i1 %tobool.i.i, label %_ZN1BI1DED2Ev.exit, label %if.then.i.i
+
+if.then.i.i:                                      ; preds = %entry
+  br i1 undef, label %_ZN1BI1DED2Ev.exit, label %delete.notnull.i.i
+
+delete.notnull.i.i:                               ; preds = %if.then.i.i
+  call void @_ZdlPv() #9
+  unreachable
+
+_ZN1BI1DED2Ev.exit:                               ; preds = %entry, %if.then.i.i
+  ret void
+}
+
+declare hidden void @__clang_call_terminate()
+
+define void @_ZN1BI1DED2Ev(%class.B* nocapture readonly %this) unnamed_addr uwtable align 2 {
+entry:
+  %m_ptr = getelementptr inbounds %class.B* %this, i64 0, i32 0
+  %0 = load %class.D** %m_ptr, align 8
+  %_ref.i = getelementptr inbounds %class.D* %0, i64 0, i32 0, i32 0, i32 1, i32 0, i32 0
+  %1 = load i32* %_ref.i, align 4
+  %tobool.i = icmp eq i32 %1, 0
+  br i1 %tobool.i, label %_ZN1AI1CE5derefEv.exit, label %if.then.i
+
+if.then.i:                                        ; preds = %entry
+  br i1 undef, label %_ZN1AI1CE5derefEv.exit, label %delete.notnull.i
+
+delete.notnull.i:                                 ; preds = %if.then.i
+  call void @_ZdlPv() #9
+  unreachable
+
+_ZN1AI1CE5derefEv.exit:                           ; preds = %entry, %if.then.i
+  ret void
+}
+
+define void @_ZN1AI1CE5derefEv(%class.A* nocapture readonly %this) nounwind uwtable align 2 {
+entry:
+  %_ref = getelementptr inbounds %class.A* %this, i64 0, i32 0
+  %0 = load i32* %_ref, align 4
+  %tobool = icmp eq i32 %0, 0
+  br i1 %tobool, label %if.end, label %if.then
+
+if.then:                                          ; preds = %entry
+  br i1 undef, label %if.end, label %delete.notnull
+
+delete.notnull:                                   ; preds = %if.then
+  call void @_ZdlPv() #9
+  unreachable
+
+if.end:                                           ; preds = %entry, %if.then
+  ret void
+}
+
+define void @_ZN1BI1DEC2EPS0_(%class.B* nocapture %this, %class.D* %p1) unnamed_addr uwtable align 2 {
+entry:
+  %m_ptr = getelementptr inbounds %class.B* %this, i64 0, i32 0
+  store %class.D* %p1, %class.D** %m_ptr, align 8
+  %_ref.i = getelementptr inbounds %class.D* %p1, i64 0, i32 0, i32 0, i32 1, i32 0, i32 0
+  %0 = load i32* %_ref.i, align 4
+  %inc.i = add nsw i32 %0, 1
+  store i32 %inc.i, i32* %_ref.i, align 4
+  ret void
+}
+
+define void @_ZN1AI1CE3refEv(%class.A* nocapture %this) nounwind uwtable align 2 {
+entry:
+  %_ref = getelementptr inbounds %class.A* %this, i64 0, i32 0
+  %0 = load i32* %_ref, align 4
+  %inc = add nsw i32 %0, 1
+  store i32 %inc, i32* %_ref, align 4
+  ret void
+}