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llvm-mirror/test/Transforms/SimplifyCFG/unreachable-cleanuppad.ll
Roman Lebedev 785059d651 [SimplifyCFG] TryToSimplifyUncondBranchFromEmptyBlock() already knows how to preserve DomTree
... so just ensure that we pass DomTreeUpdater it into it.

Fixes DomTree preservation for a large number of tests,
all of which are marked as such so that they do not regress.
2020-12-17 01:03:49 +03:00

41 lines
963 B
LLVM

; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -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 = "i686-pc-win32"
declare i32 @__CxxFrameHandler3(...)
declare void @fn_2()
define void @fn_1(i1 %B) personality i32 (...)* @__CxxFrameHandler3 {
entry:
br i1 %B, label %__Ea.exit, label %lor.lhs.false.i.i
lor.lhs.false.i.i:
br i1 %B, label %if.end.i.i, label %__Ea.exit
if.end.i.i:
invoke void @fn_2()
to label %__Ea.exit unwind label %ehcleanup.i
ehcleanup.i:
%t4 = cleanuppad within none []
br label %arraydestroy.body.i
arraydestroy.body.i:
%gep = getelementptr i8, i8* null, i32 -1
br label %dtor.exit.i
dtor.exit.i:
br i1 %B, label %arraydestroy.done3.i, label %arraydestroy.body.i
arraydestroy.done3.i:
cleanupret from %t4 unwind to caller
__Ea.exit:
ret void
}
; CHECK-LABEL: define void @fn_1(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret void