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| author | Richard Guenther <rguenther@suse.de> | 2009-04-21 12:42:24 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-04-21 12:42:24 +0000 |
| commit | ad8a1ac09d45ba7a3596434b4bd38d698a87c28e (patch) | |
| tree | 22d69e3254dfc52ade3d116fba35897999da5b53 /gcc | |
| parent | 7156c8abaf8f39f797463f60ec353b86c5c95bf6 (diff) | |
| download | gcc-ad8a1ac09d45ba7a3596434b4bd38d698a87c28e.zip gcc-ad8a1ac09d45ba7a3596434b4bd38d698a87c28e.tar.gz gcc-ad8a1ac09d45ba7a3596434b4bd38d698a87c28e.tar.bz2 | |
re PR tree-optimization/39829 (ICE with some code that produces VCE)
2009-04-21 Richard Guenther <rguenther@suse.de>
PR middle-end/39829
* gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
inside VIEW_CONVERT_EXPRs.
* gcc.dg/torture/pr39829.c: New testcase.
From-SVN: r146521
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/gimple.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/pr39829.c | 27 |
4 files changed, 40 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc15d1e..5894262 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-04-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/39829 + * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses + inside VIEW_CONVERT_EXPRs. + 2009-04-21 Martin Jambor <mjambor@suse.cz> * tree-switch-conversion.c (build_constructors): Split a long line. diff --git a/gcc/gimple.c b/gcc/gimple.c index e499e49..5487cbc 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -3231,6 +3231,8 @@ walk_stmt_load_store_addr_ops (gimple stmt, void *data, ret |= visit_store (stmt, lhs, data); } rhs = gimple_assign_rhs1 (stmt); + while (handled_component_p (rhs)) + rhs = TREE_OPERAND (rhs, 0); if (visit_addr) { if (TREE_CODE (rhs) == ADDR_EXPR) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d966304..066f4ea 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-04-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/39829 + * gcc.dg/torture/pr39829.c: New testcase. + 2009-04-21 Martin Jambor <mjambor@suse.cz> * gcc.dg/tree-ssa/cswtch-2.c: New test. diff --git a/gcc/testsuite/gcc.dg/torture/pr39829.c b/gcc/testsuite/gcc.dg/torture/pr39829.c new file mode 100644 index 0000000..da15a56 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/pr39829.c @@ -0,0 +1,27 @@ +/* { dg-do compile } */ +/* { dg-options "-w" } */ + +void foo (void * DAG_temp117584) +{ + char uA; + void* pA; + void* pB; + void* pC; + do { + int DAG_temp117585; + int DAG_temp117586; + void ** __indir_union1 = (void**)DAG_temp117584; + DAG_temp117585 = (long)*__indir_union1; + DAG_temp117586 = DAG_temp117585; + if ( DAG_temp117586 != (int)268435456 ) + pA = (void*)&uA; + pB = (void*)&pA; + pC = pB; + union __block_indir0_u { struct { long val; } __indir_struct; } + * __indir_union = (union __block_indir0_u*)pC; + f(__indir_union->__indir_struct.val); + + DAG_temp117584 += 64; + } while (1); +} + |