[Mesa-dev] [PATCH 6/8] i965/vec4: Set has_control_flow to true on an IF or WHILE instruction.

[Matt Turner]

All of the other control flow instructions are dependent on the
existence of an IF or WHILE instruction.
---
 src/mesa/drivers/dri/i965/brw_vec4_generator.cpp  | 3 +++
 src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
index ba8d26d..89656d1 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_generator.cpp
@@ -1318,6 +1318,9 @@ vec4_generator::generate_code(exec_list *instructions, bool *has_control_flow)
 
       unsigned pre_emit_nr_insn = p->nr_insn;
 
+      if (inst->opcode == BRW_OPCODE_IF || inst->opcode == BRW_OPCODE_WHILE)
+         *has_control_flow = true;
+
       generate_vec4_instruction(inst, dst, src);
 
       if (inst->no_dd_clear || inst->no_dd_check) {
diff --git a/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp b/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp
index 222e81a..42d025e 100644
--- a/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp
+++ b/src/mesa/drivers/dri/i965/gen8_vec4_generator.cpp
@@ -850,6 +850,9 @@ gen8_vec4_generator::generate_code(exec_list *instructions,
 
       const unsigned pre_emit_nr_inst = nr_inst;
 
+      if (ir->opcode == BRW_OPCODE_IF || ir->opcode == BRW_OPCODE_WHILE)
+         *has_control_flow = true;
+
       generate_vec4_instruction(ir, dst, src);
 
       if (ir->no_dd_clear || ir->no_dd_check) {
-- 
1.8.3.2