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| ; RUN: opt -S -simplifycfg < %s | FileCheck %s
declare void @Personality()
declare void @f()
; CHECK-LABEL: define void @test1()
define void @test1() personality i8* bitcast (void ()* @Personality to i8*) {
entry:
; CHECK: call void @f()
invoke void @f()
to label %exit unwind label %unreachable.unwind
exit:
ret void
unreachable.unwind:
cleanuppad within none []
unreachable
}
; CHECK-LABEL: define void @test2()
define void @test2() personality i8* bitcast (void ()* @Personality to i8*) {
entry:
invoke void @f()
to label %exit unwind label %catch.pad
catch.pad:
%cs1 = catchswitch within none [label %catch.body] unwind label %unreachable.unwind
; CHECK: catch.pad:
; CHECK-NEXT: catchswitch within none [label %catch.body] unwind to caller
catch.body:
; CHECK: catch.body:
; CHECK-NEXT: catchpad within %cs1
; CHECK-NEXT: call void @f()
; CHECK-NEXT: unreachable
%catch = catchpad within %cs1 []
call void @f()
catchret from %catch to label %unreachable
exit:
ret void
unreachable.unwind:
cleanuppad within none []
unreachable
unreachable:
unreachable
}
; CHECK-LABEL: define void @test3()
define void @test3() personality i8* bitcast (void ()* @Personality to i8*) {
entry:
invoke void @f()
to label %exit unwind label %cleanup.pad
cleanup.pad:
; CHECK: %cleanup = cleanuppad within none []
; CHECK-NEXT: call void @f()
; CHECK-NEXT: unreachable
%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
}
; CHECK-LABEL: define void @test5()
define void @test5() personality i8* bitcast (void ()* @Personality to i8*) {
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
}
; CHECK-LABEL: define void @test6()
define void @test6() personality i8* bitcast (void ()* @Personality to i8*) {
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
; CHECK: catchswitch within none [label %catch.body] unwind to caller
catch.body:
%catch = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch to label %exit
exit:
ret void
}
; CHECK-LABEL: define void @test7()
define void @test7() personality i8* bitcast (void ()* @Personality to i8*) {
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
; CHECK: catchswitch within none [label %catch.body] unwind to caller
catch.body:
%catch = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch to label %exit
catch.body2:
%catch2 = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch2 to label %exit
exit:
ret void
}
; CHECK-LABEL: define void @test8()
define void @test8() personality i8* bitcast (void ()* @Personality to i8*) {
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
; CHECK: catchswitch within none [label %catch.body] unwind to caller
catch.body2:
%catch2 = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch2 to label %exit
catch.body:
%catch = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch to label %exit
exit:
ret void
}
; CHECK-LABEL: define void @test9()
define void @test9() personality i8* bitcast (void ()* @Personality to i8*) {
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
; CHECK: catchswitch within none [label %catch.body, label %catch.body2] unwind to caller
catch.body:
%catch = catchpad within %cs1 [i8* null, i32 0, i8* null]
catchret from %catch to label %exit
catch.body2:
%catch2 = catchpad within %cs1 [i8* null, i32 64, i8* null]
catchret from %catch2 to label %exit
exit:
ret void
}
|