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150
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1 ; RUN: opt -S -O2 < %s | FileCheck %s
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2
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3 ; Feature test that verifies that all optimizations leave asynch personality
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4 ; invokes of nounwind functions alone.
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5 ; The @div function in this test can fault, even though it can't
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6 ; throw a synchronous exception.
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7
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8 define i32 @div(i32 %n, i32 %d) nounwind noinline {
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9 entry:
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10 %div = sdiv i32 %n, %d
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11 ret i32 %div
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12 }
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13
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14 define i32 @main() nounwind personality i8* bitcast (i32 (...)* @__C_specific_handler to i8*) {
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15 entry:
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16 %call = invoke i32 @div(i32 10, i32 0)
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17 to label %__try.cont unwind label %lpad
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18
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19 lpad:
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20 %0 = landingpad { i8*, i32 }
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21 catch i8* null
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22 br label %__try.cont
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23
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24 __try.cont:
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25 %retval.0 = phi i32 [ %call, %entry ], [ 0, %lpad ]
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26 ret i32 %retval.0
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27 }
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28
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29 ; CHECK-LABEL: define i32 @main()
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30 ; CHECK: invoke i32 @div(i32 10, i32 0)
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31
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32 declare i32 @__C_specific_handler(...)
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