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* [Bug c/61980] New: [GCC-4.9.1] ICE: in compute_affine_dependence, at tree-data-ref.c:4233
@ 2014-07-31 17:15 sabrinadfs at gmail dot com
  2014-07-31 17:18 ` [Bug middle-end/61980] " mpolacek at gcc dot gnu.org
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: sabrinadfs at gmail dot com @ 2014-07-31 17:15 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61980

            Bug ID: 61980
           Summary: [GCC-4.9.1] ICE: in compute_affine_dependence, at
                    tree-data-ref.c:4233
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: critical
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sabrinadfs at gmail dot com

GCC-4.9.1
x86_64-apple-darwin11.4.2

Running the following tests:

1) 
make -s -C gcc check-gcc RUNTESTFLAGS="dg.exp=pr39794.c
--target_board=unix/-fcheck-data-deps"

GCC throw an ICE:
------------------------------------------------------------------------
/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/pr39794.c:
In function 'foo':
/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/pr39794.c:8:1:
internal compiler error: in compute_affine_dependence, at tree-data-ref.c:4233

/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/pr39794.c:8:1:
internal compiler error: Abort trap: 6
xgcc: internal compiler error: Abort trap: 6 (program cc1)

FAIL: gcc.dg/pr39794.c (internal compiler error)
FAIL: gcc.dg/pr39794.c (test for excess errors)
Excess errors:
(Number of distance vectors differ: Banerjee has 1, Omega has 0.
Banerjee dist vectors:
  1 
Omega dist vectors:
data dependence relation:
(Data Dep: 
#(Data Ref: 
#  bb: 5 
#  stmt: _9 = *_8;
#  ref: *_8;
#  base_object: *a_5(D);
#  Access function 0: {0B, +, 4}_1
#)
#(Data Ref: 
#  bb: 5 
#  stmt: *_14 = _21;
#  ref: *_14;
#  base_object: *a_5(D);
#  Access function 0: {4B, +, 4}_1
#)
  access_fn_A: {0B, +, 4}_1
  access_fn_B: {4B, +, 4}_1
 (subscript 
  iterations_that_access_an_element_twice_in_A: [1 + 1 * x_1]
  last_conflict: 2147483646
  iterations_that_access_an_element_twice_in_B: [0 + 1 * x_1]
  last_conflict: 2147483646
  (Subscript distance: 1 ))
  inner loop index: 0
  loop nest: (1 )
)
)
------------------------------------------------------------------------


2)
make -s -C gcc check-gcc RUNTESTFLAGS="dg.exp=20090922-1.c
--target_board=unix/-fcheck-data-deps"
GCC throw an ICE:
------------------------------------------------------------------------
/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/20090922-1.c:
In function 'test':
/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/20090922-1.c:33:1:
internal compiler error: in compute_affine_dependence, at tree-data-ref.c:4233

/Users/sabrinasouto/Downloads/gcc4.9/gcc-4.9.1/gcc/testsuite/gcc.dg/20090922-1.c:33:1:
internal compiler error: Abort trap: 6
xgcc: internal compiler error: Abort trap: 6 (program cc1)

FAIL: gcc.dg/20090922-1.c (internal compiler error)
FAIL: gcc.dg/20090922-1.c (test for excess errors)
Excess errors:
(Number of distance vectors differ: Banerjee has 2, Omega has 1.
Banerjee dist vectors:
  0 
  1 
Omega dist vectors:
  0 
data dependence relation:
(Data Dep: 
#(Data Ref: 
#  bb: 19 
#  stmt: _47 = MEM[(struct U *)v_19 + 16B].u3;
#  ref: MEM[(struct U *)v_19 + 16B].u3;
#  base_object: MEM[(struct U *)v_19 + 16B];
#  Access function 0: 64
#)
#(Data Ref: 
#  bb: 19 
#  stmt: MEM[(struct U *)v_19 + 16B].u3 = _50;
#  ref: MEM[(struct U *)v_19 + 16B].u3;
#  base_object: MEM[(struct U *)v_19 + 16B];
#  Access function 0: 64
#)
  access_fn_A: 64
  access_fn_B: 64
 (subscript 
  iterations_that_access_an_element_twice_in_A: [0]
  last_conflict: scev_not_known
  iterations_that_access_an_element_twice_in_B: [0]
  last_conflict: scev_not_known
  (Subscript distance: 0 ))
  inner loop index: 0
  loop nest: (4 )
  distance_vector:   0 
  direction_vector:     =
)
)
------------------------------------------------------------------------

Can anyone confirm these bugs?


^ permalink raw reply	[flat|nested] 9+ messages in thread
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Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-07-31 17:15 [Bug c/61980] New: [GCC-4.9.1] ICE: in compute_affine_dependence, at tree-data-ref.c:4233 sabrinadfs at gmail dot com
2014-07-31 17:18 ` [Bug middle-end/61980] " mpolacek at gcc dot gnu.org
2014-08-01  8:26 ` [Bug tree-optimization/61980] ICE: in compute_affine_dependence, at tree-data-ref.c:4233 with -fcheck-data-deps rguenth at gcc dot gnu.org
2014-08-01 11:03 ` sabrinadfs at gmail dot com
2014-08-01 11:05 ` rguenth at gcc dot gnu.org
2014-08-01 11:21 ` sabrinadfs at gmail dot com
2014-08-01 11:26 ` rguenth at gcc dot gnu.org
2014-08-01 11:30 ` sabrinadfs at gmail dot com
2015-07-18  1:18 ` spop at gcc dot gnu.org

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