aa2009fe78
First step after e1133179587dd895962a2fe4d6eb0cb1e63b5ee2, in these tests, DomTree is valid afterwards, so mark them as such, so that they don't regress. In further steps, SimplifyCFG transforms shall taught to preserve DomTree, in as small steps as possible.
32 lines
858 B
LLVM
32 lines
858 B
LLVM
; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
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; Don't remove invokes of nounwind functions if the personality handles async
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; exceptions. The @div function in this test can fault, even though it can't
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; throw a synchronous exception.
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define i32 @div(i32 %n, i32 %d) nounwind {
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entry:
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%div = sdiv i32 %n, %d
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ret i32 %div
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}
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define i32 @main() nounwind personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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entry:
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%call = invoke i32 @div(i32 10, i32 0)
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to label %__try.cont unwind label %lpad
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lpad:
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%0 = landingpad { i8*, i32 }
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catch i8* null
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br label %__try.cont
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__try.cont:
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%retval.0 = phi i32 [ %call, %entry ], [ 0, %lpad ]
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ret i32 %retval.0
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}
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; CHECK-LABEL: define i32 @main()
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; CHECK: invoke i32 @div(i32 10, i32 0)
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declare i32 @__C_specific_handler(...)
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