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| author | Richard Guenther <rguenther@suse.de> | 2010-05-08 13:12:56 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-05-08 13:12:56 +0000 |
| commit | 43896afb8b4c2f7836ea4a02cdf930bf72c468ff (patch) | |
| tree | 88174d0fb4861e8b266c6b7788ef7dced0efef72 /gcc/testsuite | |
| parent | f56000ede5802f86b8ab00443090eb6ec3488773 (diff) | |
| download | gcc-43896afb8b4c2f7836ea4a02cdf930bf72c468ff.zip gcc-43896afb8b4c2f7836ea4a02cdf930bf72c468ff.tar.gz gcc-43896afb8b4c2f7836ea4a02cdf930bf72c468ff.tar.bz2 | |
re PR tree-optimization/44030 (error: SSA name in freelist but still referenced)
2010-05-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/44030
* tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
NECESSARY flag if we propagate from a inserted expression.
* gcc.c-torture/compile/pr44030.c: New testcase.
From-SVN: r159186
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr44030.c | 28 |
2 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b0d26f1..66630e8 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-05-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/44030 + * gcc.c-torture/compile/pr44030.c: New testcase. + 2010-05-08 Eric Botcazou <ebotcazou@adacore.com> * gnat.dg/lto6.adb: New test. diff --git a/gcc/testsuite/gcc.c-torture/compile/pr44030.c b/gcc/testsuite/gcc.c-torture/compile/pr44030.c new file mode 100644 index 0000000..cd5d5f6 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr44030.c @@ -0,0 +1,28 @@ +typedef int int32_t; +typedef unsigned int uint32_t; +static uint32_t +safe_sub_func_uint32_t_u_u (uint32_t ui1, uint32_t ui2) +{ + return ui1 - ui2; +} + +int32_t l_105[7]; + +int32_t g_4; +int32_t *g_54 = &g_4; +int32_t * +func (int32_t p_73, int32_t * p_74, int32_t p_75, int32_t * *p_76, + int32_t * *p_77) +{ +lbl_110:for (g_4 = 0; g_4; g_4 = 1) + { + } + for (p_75 = -28; p_75; p_75 = safe_sub_func_uint32_t_u_u (p_75, 1)) + { + if (g_4) + goto lbl_110; + *g_54 = 0; + } + return &l_105[5]; +} + |