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re PR tree-optimization/92537 (ICE in vect_slp_analyze_node_operations, at tree-vect-slp.c:2775)

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2019-11-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/92537
	* tree-vect-slp.c (vect_analyze_slp_instance): Move CTOR
	vectorization validity check...
	(vect_slp_analyze_operations): ... here.

	* gfortran.dg/pr92537.f90: New testcase.

From-SVN: r278494
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Richard Biener 2019-11-20 10:40:09 +00:00 committed by Richard Biener
parent 8d8ae265dc
commit 2439d584d5
4 changed files with 50 additions and 13 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2019-11-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/92537
* tree-vect-slp.c (vect_analyze_slp_instance): Move CTOR
vectorization validity check...
(vect_slp_analyze_operations): ... here.
2019-11-20 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-protos.h (make_pass_arc_ifcvt): Declare.

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2019-11-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/92537
* gfortran.dg/pr92537.f90: New testcase.
2019-11-20 Christophe Lyon <christophe.lyon@linaro.org>
* gcc.target/arm/asm-flag-4.c: Replace dg-error with dg-message.

32
gcc/testsuite/gfortran.dg/pr92537.f90 Normal file
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@ -0,0 +1,32 @@
! { dg-do compile }
! { dg-options "-O2 -ftree-vectorize -fno-inline" }
! { dg-additional-options "-march=skylake" { target x86_64-*-* i?86-*-* } }
MODULE pr93527
implicit none
integer, parameter :: wp = kind (1.d0)
interface p_min
module procedure p_min_wp
end interface
contains
subroutine foo (pr)
real(wp), pointer :: pr(:)
integer :: nzd
real(wp) :: pmin
real(wp) :: pmin_diag
integer :: i
nzd = 15
allocate (pr(nzd))
pmin_diag = 4000._wp
pmin = p_min(pmin_diag)
pmin = min (pmin,pmin_diag)
pr(1) = log(pmin)
do i=1,nzd-1
pr(i+1) = log(pmin) + i
end do
end subroutine foo
function p_min_wp (x) result (p_min)
real(wp), intent(in) :: x
real(wp) :: p_min
p_min = x
end function p_min_wp
end module pr93527

19
gcc/tree-vect-slp.c
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@ -2253,18 +2253,6 @@ vect_analyze_slp_instance (vec_info *vinfo,
matches[group_size / const_max_nunits * const_max_nunits] = false;
vect_free_slp_tree (node, false);
}
else if (constructor
&& SLP_TREE_DEF_TYPE (node) != vect_internal_def)
{
/* CONSTRUCTOR vectorization relies on a vector stmt being
generated, that doesn't work for fully external ones. */
if (dump_enabled_p ())
dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
"Build SLP failed: CONSTRUCTOR of external "
"or constant elements\n");
vect_free_slp_tree (node, false);
return false;
}
else
{
/* Create a new SLP instance. */
@ -2939,7 +2927,12 @@ vect_slp_analyze_operations (vec_info *vinfo)
if (!vect_slp_analyze_node_operations (vinfo,
SLP_INSTANCE_TREE (instance),
instance, visited, lvisited,
&cost_vec))
&cost_vec)
/* Instances with a root stmt require vectorized defs for the
SLP tree root. */
|| (SLP_INSTANCE_ROOT_STMT (instance)
&& (SLP_TREE_DEF_TYPE (SLP_INSTANCE_TREE (instance))
!= vect_internal_def)))
{
slp_tree node = SLP_INSTANCE_TREE (instance);
stmt_vec_info stmt_info = SLP_TREE_SCALAR_STMTS (node)[0];