re PR tree-optimization/68592 (ICE in vect_get_vec_def_for_operand, at…

re PR tree-optimization/68592 (ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1403 with -fprofile-generate)

2015-11-30  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68592
	* tree-vect-loop.c (vect_analyze_loop_2): Reset SLP type also
	on the pattern def sequence.

	* gfortran.dg/pr68592.f: New testcase.

From-SVN: r231074

gcc/ChangeLog

+2015-11-30  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/68592
+	* tree-vect-loop.c (vect_analyze_loop_2): Reset SLP type also
+	on the pattern def sequence.
+
 2015-11-30  Nathan Sidwell  <nathan@acm.org>
 
 	* config/nvptx/nvptx.c (nvptx_name_replacement): Move earlier.

gcc/testsuite/ChangeLog

+2015-11-30  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/68592
+	* gfortran.dg/pr68592.f: New testcase.
+
 2015-11-30  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/68534

gcc/testsuite/gfortran.dg/pr68592.f

+! PR tree-optimization/68592
+! { dg-do compile }
+! { dg-require-profiling "-fprofile-generate" }
+! { dg-options "-Ofast -fprofile-generate" }
+! { dg-additional-options "-mavx" { target x86_64-*-* i?86-*-* } }
+      PARAMETER (MXCPGA=320,ZERO=0.0)
+      DIMENSION CPNORM(MXCPGA),CDNORM(MXCPGA),
+     *          CFNORM(MXCPGA)  
+         KTYPIL        = KTYPI()
+         DO 84 K=1,NOGTF
+           LMP=LMP+1
+           CFNORM(LMP)=ZERO
+           IF (KTYPIL.EQ.1) LMP=CMPILMP
+           IF (KTYPIL.EQ.2) CPNORM(LMP)=CMPILMP
+           IF (KTYPIL.EQ.3) CDNORM(LMP)=CMPILMP
+           IF (KTYPIL.EQ.4) LMP=CMPILMP
+           IF (KTYPIL.EQ.6) LMP=CMPILMP
+   84    CONTINUE
+         CALL MMPNOR(CPNORM,CDNORM,CFNORM) 
+      END

gcc/tree-vect-loop.c

@@ -2178,6 +2178,13 @@ again:
 	    {
 	      gcc_assert (STMT_SLP_TYPE (stmt_info) == loop_vect);
 	      stmt_info = vinfo_for_stmt (STMT_VINFO_RELATED_STMT (stmt_info));
+	      for (gimple_stmt_iterator pi
+		     = gsi_start (STMT_VINFO_PATTERN_DEF_SEQ (stmt_info));
+		   !gsi_end_p (pi); gsi_next (&pi))
+		{
+		  gimple *pstmt = gsi_stmt (pi);
+		  STMT_SLP_TYPE (vinfo_for_stmt (pstmt)) = loop_vect;
+		}
 	    }
 	  STMT_SLP_TYPE (stmt_info) = loop_vect;
 	}