From 9f1ad7d2f39c078f7921118d0050607a77d989a1 Mon Sep 17 00:00:00 2001
From: Georg Lehmann <dadschoorse@gmail.com>
Date: Tue, 17 Sep 2024 19:09:16 +0200
Subject: [PATCH] aco/vn: handle sz/inf/nan preserve

Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31172>
---
 src/amd/compiler/aco_opt_value_numbering.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/amd/compiler/aco_opt_value_numbering.cpp b/src/amd/compiler/aco_opt_value_numbering.cpp
index 039d36527c8..d5be9e9302d 100644
--- a/src/amd/compiler/aco_opt_value_numbering.cpp
+++ b/src/amd/compiler/aco_opt_value_numbering.cpp
@@ -385,6 +385,12 @@ process_block(vn_ctx& ctx, Block& block)
                ctx.renames[instr->definitions[i].tempId()] = orig_instr->definitions[i].getTemp();
                if (instr->definitions[i].isPrecise())
                   orig_instr->definitions[i].setPrecise(true);
+               if (instr->definitions[i].isSZPreserve())
+                  orig_instr->definitions[i].setSZPreserve(true);
+               if (instr->definitions[i].isInfPreserve())
+                  orig_instr->definitions[i].setInfPreserve(true);
+               if (instr->definitions[i].isNaNPreserve())
+                  orig_instr->definitions[i].setNaNPreserve(true);
                /* SPIR_V spec says that an instruction marked with NUW wrapping
                 * around is undefined behaviour, so we can break additions in
                 * other contexts.