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| author | Chris Lattner <sabre@nondot.org> | 2004-05-13 20:43:15 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-05-13 20:43:15 +0000 |
| commit | 488b72bd7fa1f7258f077e0805d767e109376233 (patch) | |
| tree | 57d4e82ae152d56e9e7b2ce81e6082d7c3ddfd80 /test/Transforms/LoopUnroll | |
| parent | d1fbc8af486b2d8c5e489a65ecef1f55b51a63ee (diff) | |
| download | llvm-488b72bd7fa1f7258f077e0805d767e109376233.tar.gz llvm-488b72bd7fa1f7258f077e0805d767e109376233.tar.bz2 llvm-488b72bd7fa1f7258f077e0805d767e109376233.tar.xz | |
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
Diffstat (limited to 'test/Transforms/LoopUnroll')
| -rw-r--r-- | test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll b/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll new file mode 100644 index 0000000000..6edf281283 --- /dev/null +++ b/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll @@ -0,0 +1,15 @@ +; RUN: llvm-as < %s | opt -loop-unroll -disable-output + +int %main() { +entry: + br label %no_exit + +no_exit: ; preds = %entry, %no_exit + %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ] ; <uint> [#uses=1] + %indvar.next = add uint %indvar, 1 ; <uint> [#uses=2] + %exitcond = setne uint %indvar.next, 2147483648 ; <bool> [#uses=1] + br bool %exitcond, label %no_exit, label %loopexit + +loopexit: ; preds = %no_exit + ret int 0 +} |