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jeremybenn |
/* Regression test for PR middle-end/33826 */
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/* Verify that recursive functions cannot be pure or const. */
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/* { dg-do compile } */
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/* { dg-require-effective-target nonpic } */
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/* { dg-options "-O1 -fdump-tree-local-pure-const1 -fdump-ipa-pure-const" } */
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int recurese1 (int i)
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{
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return recurse1 (i+1);
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}
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int recurse2a (int i)
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{
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return recurse2b (i+1);
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}
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int recurse2b (int i)
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{
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return recurse2a (i+1);
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}
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int norecurse1a (int i)
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{
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return norecurse1b (i+1);
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}
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int norecurse1b (int i)
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{
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return i+1;
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}
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/* { dg-final { scan-tree-dump "found to be const: norecurse1a" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump "found to be const: norecurse1b" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be pure: recurse1" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be pure: recurse2a" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be pure: recurse2b" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be const: recurse1" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be const: recurse2a" "local-pure-const1" } } */
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/* { dg-final { scan-tree-dump-not "found to be const: recurse2b" "local-pure-const1" } } */
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/* { dg-final { scan-ipa-dump-not "found to be pure: recurse1" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be pure: recurse2a" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be pure: recurse2b" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be const: recurse1" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be const: recurse2a" "pure-const" } } */
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/* { dg-final { scan-ipa-dump-not "found to be const: recurse2b" "pure-const" } } */
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/* { dg-final { cleanup-ipa-dump "pure-const" } } */
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/* { dg-final { cleanup-tree-dump "local-pure-const1" } } */
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