forked from OSchip/llvm-project
157 lines
5.3 KiB
LLVM
157 lines
5.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S | FileCheck %s
|
|
|
|
declare void @f()
|
|
declare void @llvm.foo(i32) nounwind
|
|
declare void @ProcessCLRException()
|
|
|
|
define void @test1() personality void ()* @ProcessCLRException {
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[EXN_DISPATCH:%.*]]
|
|
; CHECK: exn.dispatch:
|
|
; CHECK-NEXT: [[CS:%.*]] = catchswitch within none [label %pad1] unwind to caller
|
|
; CHECK: pad1:
|
|
; CHECK-NEXT: [[CP1:%.*]] = catchpad within [[CS]] [i32 1]
|
|
; CHECK-NEXT: call void @llvm.foo(i32 1)
|
|
; CHECK-NEXT: catchret from [[CP1]] to label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
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
|
|
|
|
; Remove both catchpads and the catchswitch from exn.dispatch
|
|
define void @test2() personality void ()* @ProcessCLRException {
|
|
; CHECK-LABEL: @test2(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: call void @f()
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[VIA_CATCHSWITCH:%.*]] unwind label [[CLEANUP_INNER:%.*]]
|
|
; CHECK: cleanup.inner:
|
|
; CHECK-NEXT: [[CP_INNER:%.*]] = cleanuppad within none []
|
|
; CHECK-NEXT: call void @llvm.foo(i32 0)
|
|
; CHECK-NEXT: cleanupret from [[CP_INNER]] unwind to caller
|
|
; CHECK: via.catchswitch:
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[DISPATCH_INNER:%.*]]
|
|
; CHECK: dispatch.inner:
|
|
; CHECK-NEXT: [[CS_INNER:%.*]] = catchswitch within none [label %pad.inner] unwind to caller
|
|
; CHECK: pad.inner:
|
|
; CHECK-NEXT: [[CATCH_INNER:%.*]] = catchpad within [[CS_INNER]] [i32 0]
|
|
; CHECK-NEXT: call void @llvm.foo(i32 1)
|
|
; CHECK-NEXT: catchret from [[CATCH_INNER]] to label [[EXIT]]
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
invoke void @f()
|
|
to label %via.cleanup unwind label %exn.dispatch
|
|
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
|
|
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
|
|
pad.inner:
|
|
%catch.inner = catchpad within %cs.inner [i32 0]
|
|
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
|
|
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
|
|
define void @test3() personality void ()* @ProcessCLRException {
|
|
; CHECK-LABEL: @test3(
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[VIA_CLEANUP:%.*]] unwind label [[CLEANUP:%.*]]
|
|
; CHECK: via.cleanup:
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[VIA_CATCHSWITCH:%.*]] unwind label [[CLEANUP_INNER:%.*]]
|
|
; CHECK: cleanup.inner:
|
|
; CHECK-NEXT: [[CP_INNER:%.*]] = cleanuppad within none []
|
|
; CHECK-NEXT: call void @llvm.foo(i32 0)
|
|
; CHECK-NEXT: cleanupret from [[CP_INNER]] unwind label [[CLEANUP]]
|
|
; CHECK: via.catchswitch:
|
|
; CHECK-NEXT: invoke void @f()
|
|
; CHECK-NEXT: to label [[EXIT:%.*]] unwind label [[DISPATCH_INNER:%.*]]
|
|
; CHECK: dispatch.inner:
|
|
; CHECK-NEXT: [[CS_INNER:%.*]] = catchswitch within none [label %pad.inner] unwind label [[CLEANUP]]
|
|
; CHECK: pad.inner:
|
|
; CHECK-NEXT: [[CATCH_INNER:%.*]] = catchpad within [[CS_INNER]] [i32 0]
|
|
; CHECK-NEXT: call void @llvm.foo(i32 1)
|
|
; CHECK-NEXT: catchret from [[CATCH_INNER]] to label [[EXIT]]
|
|
; CHECK: cleanup:
|
|
; CHECK-NEXT: [[CP:%.*]] = cleanuppad within none []
|
|
; CHECK-NEXT: call void @llvm.foo(i32 0)
|
|
; CHECK-NEXT: cleanupret from [[CP]] unwind to caller
|
|
; CHECK: exit:
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
entry:
|
|
invoke void @f()
|
|
to label %via.cleanup unwind label %exn.dispatch
|
|
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
|
|
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
|
|
pad.inner:
|
|
%catch.inner = catchpad within %cs.inner [i32 0]
|
|
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
|
|
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
|
|
}
|