From 19d633af0baf139f4eb205aba828afb59ec17afb Mon Sep 17 00:00:00 2001
From: Konstantin <konstantin.seurer@gmail.com>
Date: Tue, 20 Aug 2024 10:06:08 +0200
Subject: [PATCH] radv: Handle repeated instructions when splitting disassembly

cc: mesa-stable

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30734>
---
 src/amd/vulkan/radv_debug.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/amd/vulkan/radv_debug.c b/src/amd/vulkan/radv_debug.c
index 5e579bf620f..838fd0aacf4 100644
--- a/src/amd/vulkan/radv_debug.c
+++ b/src/amd/vulkan/radv_debug.c
@@ -241,11 +241,30 @@ radv_add_split_disasm(const char *disasm, uint64_t start_addr, unsigned *num, st
 {
    struct radv_shader_inst *last_inst = *num ? &instructions[*num - 1] : NULL;
    char *next;
+   char *repeat = strstr(disasm, "then repeated");
 
    while ((next = strchr(disasm, '\n'))) {
       struct radv_shader_inst *inst = &instructions[*num];
       unsigned len = next - disasm;
 
+      if (repeat >= disasm && repeat < next) {
+         uint32_t repeat_count;
+         sscanf(repeat, "then repeated %u times", &repeat_count);
+
+         for (uint32_t i = 0; i < repeat_count; i++) {
+            inst = &instructions[*num];
+            memcpy(inst, last_inst, sizeof(struct radv_shader_inst));
+            inst->offset = last_inst->offset + last_inst->size * (i + 1);
+            (*num)++;
+         }
+
+         last_inst = inst;
+
+         disasm = next + 1;
+         repeat = strstr(disasm, "then repeated");
+         continue;
+      }
+
       if (!memchr(disasm, ';', len)) {
          /* Ignore everything that is not an instruction. */
          disasm = next + 1;