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|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals
; RUN: opt -S -passes=simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
declare void @Personality()
declare void @f()
define void @test1() personality ptr @Personality {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @f() #[[ATTR0:[0-9]+]]
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %unreachable.unwind
exit:
ret void
unreachable.unwind:
cleanuppad within none []
unreachable
}
define void @test2() personality ptr @Personality {
; CHECK-LABEL: @test2(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch.body] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] []
; CHECK-NEXT: call void @f()
; CHECK-NEXT: catchret from [[CATCH]] to label [[UNREACHABLE:%.*]]
; CHECK: exit:
; CHECK-NEXT: ret void
; CHECK: unreachable:
; CHECK-NEXT: unreachable
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body] unwind label %unreachable.unwind
catch.body:
%catch = catchpad within %cs1 []
call void @f()
catchret from %catch to label %unreachable
exit:
ret void
unreachable.unwind:
cleanuppad within none []
unreachable
unreachable:
unreachable
}
define void @test3() personality ptr @Personality {
; CHECK-LABEL: @test3(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CLEANUP_PAD:%.*]]
; CHECK: cleanup.pad:
; CHECK-NEXT: [[CLEANUP:%.*]] = cleanuppad within none []
; CHECK-NEXT: call void @f() #[[ATTR0]]
; CHECK-NEXT: unreachable
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %cleanup.pad
cleanup.pad:
%cleanup = cleanuppad within none []
invoke void @f()
to label %cleanup.ret unwind label %unreachable.unwind
cleanup.ret:
; This cleanupret should be rewritten to unreachable,
; and merged into the pred block.
cleanupret from %cleanup unwind label %unreachable.unwind
exit:
ret void
unreachable.unwind:
cleanuppad within none []
unreachable
}
define void @test5() personality ptr @Personality {
; CHECK-LABEL: @test5(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch.body] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] []
; CHECK-NEXT: catchret from [[CATCH]] to label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: unreachable
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body] unwind to caller
catch.body:
%catch = catchpad within %cs1 []
catchret from %catch to label %exit
exit:
unreachable
}
define void @test6() personality ptr @Personality {
; CHECK-LABEL: @test6(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch.body] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] [ptr null, i32 0, ptr null]
; CHECK-NEXT: catchret from [[CATCH]] to label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body, label %catch.body] unwind to caller
catch.body:
%catch = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch to label %exit
exit:
ret void
}
define void @test7() personality ptr @Personality {
; CHECK-LABEL: @test7(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch.body] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] [ptr null, i32 0, ptr null]
; CHECK-NEXT: catchret from [[CATCH]] to label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body, label %catch.body2] unwind to caller
catch.body:
%catch = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch to label %exit
catch.body2:
%catch2 = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch2 to label %exit
exit:
ret void
}
define void @test8() personality ptr @Personality {
; CHECK-LABEL: @test8(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label %catch.body] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] [ptr null, i32 0, ptr null]
; CHECK-NEXT: catchret from [[CATCH]] to label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body, label %catch.body2] unwind to caller
catch.body2:
%catch2 = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch2 to label %exit
catch.body:
%catch = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch to label %exit
exit:
ret void
}
define void @test9() personality ptr @Personality {
; CHECK-LABEL: @test9(
; CHECK-NEXT: entry:
; CHECK-NEXT: invoke void @f()
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[CATCH_PAD:%.*]]
; CHECK: catch.pad:
; CHECK-NEXT: [[CS1:%.*]] = catchswitch within none [label [[CATCH_BODY:%.*]], label %catch.body2] unwind to caller
; CHECK: catch.body:
; CHECK-NEXT: [[CATCH:%.*]] = catchpad within [[CS1]] [ptr null, i32 0, ptr null]
; CHECK-NEXT: catchret from [[CATCH]] to label [[EXIT]]
; CHECK: catch.body2:
; CHECK-NEXT: [[CATCH2:%.*]] = catchpad within [[CS1]] [ptr null, i32 64, ptr null]
; CHECK-NEXT: catchret from [[CATCH2]] to label [[EXIT]]
; CHECK: exit:
; CHECK-NEXT: ret void
;
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body, label %catch.body2] unwind to caller
catch.body:
%catch = catchpad within %cs1 [ptr null, i32 0, ptr null]
catchret from %catch to label %exit
catch.body2:
%catch2 = catchpad within %cs1 [ptr null, i32 64, ptr null]
catchret from %catch2 to label %exit
exit:
ret void
}
;.
; CHECK: attributes #[[ATTR0]] = { nounwind }
;.
|
