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re PR tree-optimization/18040 (ICE in for_each_index, at tree-ssa-loop-im.c:178) 

2004-12-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18040
        * g++.dg/opt/ptrmem6.C: New test.

2004-12-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18040
        * expr.c (get_inner_reference): Remove NON_LVALUE_EXPR, NOP_EXPR,
        CONVERT_EXPR cases.
        (handled_component_p): Likewise.

From-SVN: r92051
This commit is contained in:
Andrew Pinski 2004-12-12 16:45:20 +00:00 committed by Andrew Pinski
parent 902c2ed4ea
commit a5f712ff3f
4 changed files with 40 additions and 19 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2004-12-12 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/18040
* expr.c (get_inner_reference): Remove NON_LVALUE_EXPR, NOP_EXPR,
CONVERT_EXPR cases.
(handled_component_p): Likewise.
2004-12-12 Kazu Hirata <kazu@cs.umass.edu> 2004-12-12 Kazu Hirata <kazu@cs.umass.edu>
* reg-stack.c (convert_regs_2): Free stack. * reg-stack.c (convert_regs_2): Free stack.

19
gcc/expr.c
View File

@ -5293,16 +5293,6 @@ get_inner_reference (tree exp, HOST_WIDE_INT *pbitsize,
conversions that don't change the mode, and all view conversions conversions that don't change the mode, and all view conversions
except those that need to "step up" the alignment. */ except those that need to "step up" the alignment. */
case NON_LVALUE_EXPR:
break;
case NOP_EXPR:
case CONVERT_EXPR:
if (TYPE_MODE (TREE_TYPE (exp))
!= TYPE_MODE (TREE_TYPE (TREE_OPERAND (exp, 0))))
goto done;
break;
case VIEW_CONVERT_EXPR: case VIEW_CONVERT_EXPR:
if ((TYPE_ALIGN (TREE_TYPE (exp)) if ((TYPE_ALIGN (TREE_TYPE (exp))
> TYPE_ALIGN (TREE_TYPE (TREE_OPERAND (exp, 0)))) > TYPE_ALIGN (TREE_TYPE (TREE_OPERAND (exp, 0))))
@ -5445,20 +5435,11 @@ handled_component_p (tree t)
case COMPONENT_REF: case COMPONENT_REF:
case ARRAY_REF: case ARRAY_REF:
case ARRAY_RANGE_REF: case ARRAY_RANGE_REF:
case NON_LVALUE_EXPR:
case VIEW_CONVERT_EXPR: case VIEW_CONVERT_EXPR:
case REALPART_EXPR: case REALPART_EXPR:
case IMAGPART_EXPR: case IMAGPART_EXPR:
return 1; return 1;
/* ??? Sure they are handled, but get_inner_reference may return
a different PBITSIZE, depending upon whether the expression is
wrapped up in a NOP_EXPR or not, e.g. for bitfields. */
case NOP_EXPR:
case CONVERT_EXPR:
return (TYPE_MODE (TREE_TYPE (t))
== TYPE_MODE (TREE_TYPE (TREE_OPERAND (t, 0))));
default: default:
return 0; return 0;
} }

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2004-12-12 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/18040
* g++.dg/opt/ptrmem6.C: New test.
2004-12-11 Roger Sayle <roger@eyesopen.com> 2004-12-11 Roger Sayle <roger@eyesopen.com>
PR middle-end/18921 PR middle-end/18921

28
gcc/testsuite/g++.dg/opt/ptrmem6.C Normal file
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@ -0,0 +1,28 @@
// PR tree-opt/18040
// { dg-do compile }
// { dg-options "-O3" }
int PyObject_IsTrue();
struct object_base
{
void ptr() const;
void ptr1() const;
};
struct object : public object_base
{
typedef void (object::*bool_type)() const;
inline operator bool_type() const
{ return PyObject_IsTrue()
? &object_base::ptr : &object::ptr1; }
};
void f();
void g (void)
{
for (unsigned n = 0; n < 100; ++n)
{
object kv;
if (kv)
f();
}
}