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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-03-30 18:23:06 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-03-30 18:23:06 +0000 |
| commit | 6c925978bf931c7895790430f387c426459c7109 (patch) | |
| tree | 5f4ad0bb718261ead0c3ddb8c4a6152b3c7c568f | |
| parent | 1249885e0f93f2ece814eeb80ccd842fa24a6d32 (diff) | |
| download | gcc-6c925978bf931c7895790430f387c426459c7109.tar.gz | |
PR debug/52727
* g++.dg/opt/pr52727.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186019 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/pr52727.C | 45 |
2 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 549789d81c9..921f2fa9390 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2012-03-30 Richard Henderson <rth@redhat.com> + + PR debug/52727 + * g++.dg/opt/pr52727.C: New testcase. + 2012-03-30 Richard Guenther <rguenther@suse.de> PR tree-optimization/52754 diff --git a/gcc/testsuite/g++.dg/opt/pr52727.C b/gcc/testsuite/g++.dg/opt/pr52727.C new file mode 100644 index 00000000000..4dd38530a02 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr52727.C @@ -0,0 +1,45 @@ +// { dg-do compile } +// { dg-options "-g -Os" } + +int grow (int); +void fn (int); +struct A { int a1, a2; }; +template <typename T> +struct B +{ + A *b; + ~B () { b3 (b); } + void b1 (int); + void b2 (int); + void b3 (A *); +}; +struct C { int c1, c2, c3; bool c4; }; +int +bar (int x) +{ + int y = x / 6; + if (y > x / 2) + return y; + return 0; +} +void baz (double, double); +void +foo (const C *x, int y, int z) +{ + B<int> p; + double r = y / 2; + int w = bar (int (r)); + double s = y / 2 + 0.5; + double t = z / 2 + 0.5; + int u = x->c3; + int v = (x->c2 + u - 1 - x->c1) / u; + p.b2 ((2 * v > p.b->a1 || (2 * v < p.b->a2 && 2 * v < (p.b->a1 >> 1))) + ? grow (0) : p.b->a1); + for (int i = 0; i <= v; ++i) + { + double l = x->c4 ? 4.5 - i * 6.2 / v : (3.1 - i * 31 / v) / 6; + baz (s + (r - w) * l, t - (r - w) * l); + } +} + + |