Mesa (main): intel/compiler: Add cfg_t::adjust_block_ips() method

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Module: Mesa
Branch: main
Commit: 8ca1bc5f947d17483f778c3abec99ca9f225b748
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=8ca1bc5f947d17483f778c3abec99ca9f225b748

Author: Ian Romanick <ian.d.romanick at intel.com>
Date:   Thu Jul  1 10:24:01 2021 -0700

intel/compiler: Add cfg_t::adjust_block_ips() method

Reviewed-by: Emma Anholt <emma at anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11632>

---

 src/intel/compiler/brw_cfg.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/intel/compiler/brw_cfg.h b/src/intel/compiler/brw_cfg.h
index 90af5a95f14..9e2726f453b 100644
--- a/src/intel/compiler/brw_cfg.h
+++ b/src/intel/compiler/brw_cfg.h
@@ -324,6 +324,12 @@ struct cfg_t {
 
    void dump();
    void dump_cfg();
+
+   /**
+    * Propagate bblock_t::end_ip_delta data through the CFG.
+    */
+   inline void adjust_block_ips();
+
 #endif
    const struct backend_shader *s;
    void *mem_ctx;
@@ -437,6 +443,21 @@ cfg_t::last_block() const
         __scan_inst = (__type *)__scan_inst->prev)
 
 #ifdef __cplusplus
+inline void
+cfg_t::adjust_block_ips()
+{
+   int delta = 0;
+
+   foreach_block(block, this) {
+      block->start_ip += delta;
+      block->end_ip += delta;
+
+      delta += block->end_ip_delta;
+
+      block->end_ip_delta = 0;
+   }
+}
+
 namespace brw {
    /**
     * Immediate dominator tree analysis of a shader.