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New testcase that used to cause the unroller to try to unroll the loop 2G times. :(
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13563 91177308-0d34-0410-b5e6-96231b3b80d8
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test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
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15
test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
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; RUN: llvm-as < %s | opt -loop-unroll -disable-output
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int %main() {
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entry:
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br label %no_exit
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no_exit: ; preds = %entry, %no_exit
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%indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ] ; <uint> [#uses=1]
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%indvar.next = add uint %indvar, 1 ; <uint> [#uses=2]
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%exitcond = setne uint %indvar.next, 2147483648 ; <bool> [#uses=1]
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br bool %exitcond, label %no_exit, label %loopexit
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loopexit: ; preds = %no_exit
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ret int 0
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}
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