re PR tree-optimization/31866 (ICE with tree check error: expected ssa_name,…

re PR tree-optimization/31866 (ICE with tree check error: expected ssa_name, have var_decl in create_outofssa_var_map)

	PR tree-optimization/31866
	* tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
	if ASM_EXPR's input is not a SSA_NAME.

	* gcc.dg/pr31866.c: New test.

From-SVN: r125919

gcc/ChangeLog

 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
 
+	PR tree-optimization/31866
+	* tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
+	if ASM_EXPR's input is not a SSA_NAME.
+
 	PR middle-end/32362
 	* omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
 	but decl is a global var, instead return decl.

gcc/testsuite/ChangeLog

+2007-06-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/31866
+	* gcc.dg/pr31866.c: New test.
+
 2007-06-21  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/32451

gcc/testsuite/gcc.dg/pr31866.c

+/* PR tree-optimization/31866 */
+/* { dg-do compile { target alpha-*-* cris-*-* i?86-*-* mmix-*-* powerpc*-*-* rs6000-*-* x86_64-*-* } } */
+/* { dg-options "-O2" } */
+
+#if defined (__alpha__)
+# define REG "$1"
+#elif defined (__CRIS__)
+# define REG "r10"
+#elif defined (__i386__)
+# define REG "%eax"
+#elif defined (__MMIX__)
+# define REG "$8"
+#elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) \
+	|| defined (__POWERPC__) || defined (PPC) || defined (_IBMR2)
+# define REG "6"
+#elif defined (__x86_64__)
+# define REG "rax"
+#endif
+
+long int
+foo (void)
+{
+  unsigned long int s;
+  long int a = (long int) 0;
+  register long int r asm (REG) = a;
+  asm ("" : "=r" (s) : "0" (r));
+  return s;
+}

gcc/tree-ssa-coalesce.c

 /* Coalesce SSA_NAMES together for the out-of-ssa pass.
-   Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
    Contributed by Andrew MacLeod <amacleod@redhat.com>
 
 This file is part of GCC.
@@ -1037,7 +1037,7 @@ create_outofssa_var_map (coalesce_list_p cl, bitmap used_in_copy)
 		    char *end;
 		    unsigned long match;
 
-		    if (TREE_CODE (input) != SSA_NAME && !DECL_P (input))
+		    if (TREE_CODE (input) != SSA_NAME)
 		      continue;
 
 		    match = strtoul (constraint, &end, 10);