re PR tree-optimization/70960 (ICE: tree check: expected ssa_name, have integer_cst...

2016-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/70960
	* tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.

	* gfortran.fortran-torture/compile/pr70960.f90: New testcase.

From-SVN: r235953

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b575931..ef437c5 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-06  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/70960
+       * tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.
+
 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
 
        PR target/52933

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 762c2a8..52caa63 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-05-06  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/70960
+       * gfortran.fortran-torture/compile/pr70960.f90: New testcase.
+
 2016-05-06  Oleg Endo  <olegendo@gcc.gnu.org>
 
        PR target/52933

diff --git a/gcc/testsuite/gfortran.fortran-torture/compile/pr70960.f90 b/gcc/testsuite/gfortran.fortran-torture/compile/pr70960.f90
new file mode 100644 (file)
index 0000000..675fb56
--- /dev/null
+++ b/gcc/testsuite/gfortran.fortran-torture/compile/pr70960.f90
@@ -0,0 +1,10 @@
+  SUBROUTINE calbrec(a,ai,error)
+    REAL(KIND=8)                            :: a(3,3), ai(3,3)
+    DO i = 1, 3
+       il = 1
+       IF (i==1) il = 2
+       DO j = 1, 3
+          ai(j,i) = (-1.0_8)**(i+j)*det*(a(il,jl)*a(iu,ju)-a(il,ju)*a(iu,jl))
+       END DO
+    END DO
+  END SUBROUTINE calbrec

diff --git a/gcc/tree-if-conv.c b/gcc/tree-if-conv.c
index 52292c3..3d7c613 100644 (file)
--- a/gcc/tree-if-conv.c
+++ b/gcc/tree-if-conv.c
@@ -2462,6 +2462,9 @@ ifcvt_walk_pattern_tree (tree var, vec<gimple *> *defuse_list,
   enum tree_code code;
   gimple *def_stmt;
 
+  if (TREE_CODE (var) != SSA_NAME)
+    return;
+
   def_stmt = SSA_NAME_DEF_STMT (var);
   if (gimple_code (def_stmt) != GIMPLE_ASSIGN)
     return;