1 files changed, 110 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LICM/funclet.ll b/llvm/test/Transforms/LICM/funclet.ll
new file mode 100644
index 00000000000..36d2d49d9d4
--- /dev/null
+++ b/llvm/test/Transforms/LICM/funclet.ll
@@ -0,0 +1,110 @@
+; RUN: opt < %s -licm -S | FileCheck %s
+; RUN: opt -aa-pipeline=basic-aa -passes='require<aa>,require<targetir>,require<scalar-evolution>,require<opt-remark-emit>,loop(licm)' < %s -S | FileCheck %s
+
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i386-pc-windows-msvc18.0.0"
+
+define void @test1(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 {
+entry:
+  br label %while.cond
+
+while.cond:                                       ; preds = %while.body, %entry
+  %0 = call i32 @pure_computation()
+  br i1 %b, label %try.cont, label %while.body
+
+while.body:                                       ; preds = %while.cond
+  invoke void @may_throw()
+          to label %while.cond unwind label %catch.dispatch
+
+catch.dispatch:                                   ; preds = %while.body
+  %.lcssa1 = phi i32 [ %0, %while.body ]
+  %cs = catchswitch within none [label %catch] unwind to caller
+
+catch:                                            ; preds = %catch.dispatch
+  %cp = catchpad within %cs [i8* null, i32 64, i8* null]
+  store i32 %.lcssa1, i32* %s
+  catchret from %cp to label %try.cont
+
+try.cont:                                         ; preds = %catch, %while.cond
+  ret void
+}
+
+; CHECK-LABEL: define void @test1(
+; CHECK: %[[CALL:.*]] = call i32 @pure_computation()
+; CHECK: phi i32 [ %[[CALL]]
+
+define void @test2(i32* %s, i1 %b) personality i32 (...)* @__CxxFrameHandler3 {
+entry:
+  br label %while.cond
+
+while.cond:                                       ; preds = %while.body, %entry
+  %0 = call i32 @pure_computation()
+  br i1 %b, label %try.cont, label %while.body
+
+while.body:                                       ; preds = %while.cond
+  invoke void @may_throw()
+          to label %while.cond unwind label %catch.dispatch
+
+catch.dispatch:                                   ; preds = %while.body
+  %.lcssa1 = phi i32 [ %0, %while.body ]
+  %cp = cleanuppad within none []
+  store i32 %.lcssa1, i32* %s
+  cleanupret from %cp unwind to caller
+
+try.cont:                                         ; preds = %catch, %while.cond
+  ret void
+}
+
+; CHECK-LABEL: define void @test2(
+; CHECK:      %[[CP:.*]] = cleanuppad within none []
+; CHECK-NEXT: %[[CALL:.*]] = call i32 @pure_computation() [ "funclet"(token %[[CP]]) ]
+; CHECK-NEXT: store i32 %[[CALL]], i32* %s
+; CHECK-NEXT: cleanupret from %[[CP]] unwind to caller
+
+define void @test3(i1 %a, i1 %b, i1 %c) personality i32 (...)* @__CxxFrameHandler3 {
+entry:
+  %.frame = alloca i8, align 4
+  %.frame2 = alloca i8, align 4
+  %bc = bitcast i8* %.frame to i32*
+  %bc2 = bitcast i8* %.frame2 to i32*
+  br i1 %a, label %try.success.or.caught, label %forbody
+
+catch.object.Throwable:                           ; preds = %catch.dispatch
+  %cp = catchpad within %cs [i8* null, i32 64, i8* null]
+  unreachable
+
+try.success.or.caught:                            ; preds = %forcond.backedge, %0
+  ret void
+
+postinvoke:                                       ; preds = %forbody
+  br i1 %b, label %else, label %forcond.backedge
+
+forcond.backedge:                                 ; preds = %else, %postinvoke
+  br i1 %c, label %try.success.or.caught, label %forbody
+
+catch.dispatch:                                   ; preds = %else, %forbody
+  %cs = catchswitch within none [label %catch.object.Throwable] unwind to caller
+
+forbody:                                          ; preds = %forcond.backedge, %0
+  store i32 1, i32* %bc, align 4
+  store i32 2, i32* %bc2, align 4
+  invoke void @may_throw()
+          to label %postinvoke unwind label %catch.dispatch
+
+else:                                             ; preds = %postinvoke
+  invoke void @may_throw()
+          to label %forcond.backedge unwind label %catch.dispatch
+}
+
+; CHECK-LABEL: define void @test3(
+; CHECK-LABEL: forbody.preheader:
+; CHECK:      store i32 1, i32* %bc, align 4
+; CHECK:      store i32 2, i32* %bc2, align 4
+; CHECK:      catchswitch within none
+; CHECK-LABEL: forbody:
+
+declare void @may_throw()
+
+declare i32 @pure_computation() nounwind argmemonly readonly
+
+declare i32 @__CxxFrameHandler3(...)