nvptx.c (bb_pair_t, [...]): New types.

	gcc/
	* config/nvptx/nvptx.c (bb_pair_t, bb_pair_vec_t): New types.
	(pseudo_node_t, struct bracket, bracket_vec_t): New types.
	(struct bb_sese): New struct.
	(bb_sese::~bb_sese, bb_sese::append, bb_sese::remove): New.
	(BB_GET_SESE, BB_SET_SESE): Define.
	(nvptx_sese_number, nvptx_sese_pseudo, nvptx_sese_color): New.
	(nvptx_find_sese): New.
	(nvptx_neuter_pars): Find SESE regions when optimizing.

	gcc/testsuite/
	* gcc.dg/goacc/nvptx-sese-1.c: New.

From-SVN: r230561

gcc/ChangeLog

+2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* config/nvptx/nvptx.c (bb_pair_t, bb_pair_vec_t): New types.
+	(pseudo_node_t, struct bracket, bracket_vec_t): New types.
+	(struct bb_sese): New struct.
+	(bb_sese::~bb_sese, bb_sese::append, bb_sese::remove): New.
+	(BB_GET_SESE, BB_SET_SESE): Define.
+	(nvptx_sese_number, nvptx_sese_pseudo, nvptx_sese_color): New.
+	(nvptx_find_sese): New.
+	(nvptx_neuter_pars): Find SESE regions when optimizing.
+
 2015-11-18  Alan Modra  <amodra@gmail.com>
 
 	* config/rs6000/rs6000.c (use_toc_relative_ref): Ignore

gcc/testsuite/ChangeLog

+2015-11-18  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* gcc.dg/goacc/nvptx-sese-1.c: New.
+
 2015-11-18  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gnat.dg/renaming7.adb: New test.

gcc/testsuite/gcc.dg/goacc/nvptx-sese-1.c

+/* { dg-do link } */
+/* { dg-require-effective-target offload_nvptx } */
+/* { dg-options "-fopenacc -O2 -foffload=-fdump-rtl-mach\\ -dumpbase\\ nvptx-sese-1.c\\ -Wa,--no-verify" } */
+
+#pragma acc routine  seq
+int __attribute__((noinline)) foo (int x)
+{
+  return x & 2;
+}
+
+int main ()
+{
+  int r = 0;
+  
+#pragma acc parallel copy(r) vector_length(32)
+  {
+#pragma acc loop vector reduction (+:r)
+    for (int i = 00; i < 40; i++)
+      r += i;
+
+    /* This piece is a multi-block SESE region */
+    if (foo (r))
+      r *= 2;
+
+    if (r & 1) /* to here. */
+#pragma acc loop vector reduction (+:r)
+      for (int i = 00; i < 40; i++)
+	r += i;
+  }
+
+  return 0;
+}
+
+/* Match {N->N(.N)+} */
+/* { dg-final { scan-rtl-dump "SESE regions:.* \[0-9\]+{\[0-9\]+->\[0-9\]+(\\.\[0-9\]+)+}" "mach" } } */