Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/SimplifyCFG/empty-catchpad.ll

@@ -1,115 +0,0 @@
-; RUN: opt < %s -simplifycfg -S | FileCheck %s
-
-declare void @f()
-declare void @llvm.foo(i32) nounwind
-declare void @ProcessCLRException()
-
-define void @test1() personality void ()* @ProcessCLRException {
-entry:
-  invoke void @f()
-    to label %exit unwind label %exn.dispatch
-exn.dispatch:
-  %cs = catchswitch within none [label %pad1, label %pad2] unwind to caller
-pad1:
-  %cp1 = catchpad within %cs [i32 1]
-  call void @llvm.foo(i32 1)
-  catchret from %cp1 to label %exit
-pad2:
-  %cp2 = catchpad within %cs [i32 2]
-  unreachable
-exit:
-  ret void
-}
-; Remove unreachble catch2, leave catch1 as-is
-; CHECK-LABEL: define void @test1()
-; CHECK: %cs = catchswitch within none [label %pad1] unwind to caller
-; CHECK-NOT: catchpad
-; CHECK: %cp1 = catchpad within %cs [i32 1]
-; CHECK-NOT: catchpad
-
-; Remove both catchpads and the catchswitch from exn.dispatch
-; CHECK-LABEL: define void @test2()
-define void @test2() personality void ()* @ProcessCLRException {
-entry:
-  invoke void @f()
-    to label %via.cleanup unwind label %exn.dispatch
-  ; CHECK-NOT: invoke
-  ; CHECK: call void @f()
-via.cleanup:
-  invoke void @f()
-    to label %via.catchswitch unwind label %cleanup.inner
-cleanup.inner:
-  %cp.inner = cleanuppad within none []
-  call void @llvm.foo(i32 0)
-  cleanupret from %cp.inner unwind label %exn.dispatch
-  ; CHECK: cleanupret from %cp.inner unwind to caller
-via.catchswitch:
-  invoke void @f()
-    to label %exit unwind label %dispatch.inner
-dispatch.inner:
-  %cs.inner = catchswitch within none [label %pad.inner] unwind label %exn.dispatch
-  ; CHECK: %cs.inner = catchswitch within none [label %pad.inner] unwind to caller
-pad.inner:
-  %catch.inner = catchpad within %cs.inner [i32 0]
-  ; CHECK: %catch.inner = catchpad within %cs.inner
-  call void @llvm.foo(i32 1)
-  catchret from %catch.inner to label %exit
-exn.dispatch:
-  %cs = catchswitch within none [label %pad1, label %pad2] unwind to caller
-  ; CHECK-NOT: catchswitch within
-  ; CHECK-NOT: catchpad
-pad1:
-  catchpad within %cs [i32 1]
-  unreachable
-pad2:
-  catchpad within %cs [i32 2]
-  unreachable
-exit:
-  ret void
-}
-
-; Same as @test2, but exn.dispatch catchswitch has an unwind dest that
-; preds need to be reidrected to
-; CHECK-LABEL: define void @test3()
-define void @test3() personality void ()* @ProcessCLRException {
-entry:
-  invoke void @f()
-    to label %via.cleanup unwind label %exn.dispatch
-  ; CHECK: invoke void @f()
-  ; CHECK-NEXT: to label %via.cleanup unwind label %cleanup
-via.cleanup:
-  invoke void @f()
-    to label %via.catchswitch unwind label %cleanup.inner
-cleanup.inner:
-  %cp.inner = cleanuppad within none []
-  call void @llvm.foo(i32 0)
-  cleanupret from %cp.inner unwind label %exn.dispatch
-  ; CHECK: cleanupret from %cp.inner unwind label %cleanup
-via.catchswitch:
-  invoke void @f()
-    to label %exit unwind label %dispatch.inner
-dispatch.inner:
-  %cs.inner = catchswitch within none [label %pad.inner] unwind label %exn.dispatch
-  ; CHECK: %cs.inner = catchswitch within none [label %pad.inner] unwind label %cleanup
-pad.inner:
-  %catch.inner = catchpad within %cs.inner [i32 0]
-  ; CHECK: %catch.inner = catchpad within %cs.inner
-  call void @llvm.foo(i32 1)
-  catchret from %catch.inner to label %exit
-exn.dispatch:
-  %cs = catchswitch within none [label %pad1, label %pad2] unwind label %cleanup
-  ; CHECK-NOT: catchswitch within
-  ; CHECK-NOT: catchpad
-pad1:
-  catchpad within %cs [i32 1]
-  unreachable
-pad2:
-  catchpad within %cs [i32 2]
-  unreachable
-cleanup:
-  %cp = cleanuppad within none []
-  call void @llvm.foo(i32 0)
-  cleanupret from %cp unwind to caller
-exit:
-  ret void
-}