[HSA branch, PATCH] introduce append_phi method

[Martin Liška]

Hello.

Following patch introduces just a single helper method,
install to HSA branch as r234648.

Thanks,
Martin

>From 6d7c765425de3363a8edef2c25572b8208123fb8 Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Thu, 31 Mar 2016 11:39:56 +0200
Subject: [PATCH] HSA: introduce append_phi method

gcc/ChangeLog:

2016-03-31  Martin Liska  <mli...@suse.cz>

	* hsa-gen.c (hsa_bb::append_phi): New function.
	(gen_hsa_phi_from_gimple_phi): Use it.
	* hsa.h: Declare the method.
---
 gcc/hsa-gen.c | 22 +++++++++++++++-------
 gcc/hsa.h     |  3 +++
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/gcc/hsa-gen.c b/gcc/hsa-gen.c
index ef987d2..84dbcf6 100644
--- a/gcc/hsa-gen.c
+++ b/gcc/hsa-gen.c
@@ -1766,6 +1766,20 @@ hsa_bb::append_insn (hsa_insn_basic *insn)
     m_first_insn = insn;
 }
 
+void
+hsa_bb::append_phi (hsa_insn_phi *hphi)
+{
+  hphi->m_bb = m_bb;
+
+  hphi->m_prev = m_last_phi;
+  hphi->m_next = NULL;
+  if (m_last_phi)
+    m_last_phi->m_next = hphi;
+  m_last_phi = hphi;
+  if (!m_first_phi)
+    m_first_phi = hphi;
+}
+
 /* Insert HSA instruction NEW_INSN immediately before an existing instruction
    OLD_INSN.  */
 
@@ -5761,13 +5775,7 @@ gen_hsa_phi_from_gimple_phi (gimple *phi_stmt, hsa_bb *hbb)
 	}
     }
 
-  hphi->m_prev = hbb->m_last_phi;
-  hphi->m_next = NULL;
-  if (hbb->m_last_phi)
-    hbb->m_last_phi->m_next = hphi;
-  hbb->m_last_phi = hphi;
-  if (!hbb->m_first_phi)
-    hbb->m_first_phi = hphi;
+  hbb->append_phi (hphi);
 }
 
 /* Constructor of class containing HSA-specific information about a basic
diff --git a/gcc/hsa.h b/gcc/hsa.h
index 1d6baab..03c0c98 100644
--- a/gcc/hsa.h
+++ b/gcc/hsa.h
@@ -1056,6 +1056,9 @@ public:
   /* Append an instruction INSN into the basic block.  */
   void append_insn (hsa_insn_basic *insn);
 
+  /* Add a PHI instruction.  */
+  void append_phi (hsa_insn_phi *phi);
+
   /* The real CFG BB that this HBB belongs to.  */
   basic_block m_bb;
 
-- 
2.7.1