From 08a4853ffdcecc3f7f883e4dc26fe9574b953cfe Mon Sep 17 00:00:00 2001
From: Rhys Perry <pendingchaos02@gmail.com>
Date: Wed, 17 Jul 2024 17:22:18 +0100
Subject: [PATCH] aco: add export instructions to should_form_clause
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fossil-db (gfx1150):
Totals from 1 (0.00% of 79395) affected shaders:
Instrs: 906 -> 901 (-0.55%)
CodeSize: 4692 -> 4672 (-0.43%)
Latency: 1582 -> 1561 (-1.33%)

fossil-db (navi21):
Totals from 9917 (12.49% of 79395) affected shaders:
Instrs: 6120530 -> 6116252 (-0.07%)
CodeSize: 31808916 -> 31791804 (-0.05%)
Latency: 23854892 -> 23866438 (+0.05%); split: -0.01%, +0.06%
InvThroughput: 4655278 -> 4655490 (+0.00%); split: -0.00%, +0.01%

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30241>
---
 src/amd/compiler/aco_ir.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/amd/compiler/aco_ir.cpp b/src/amd/compiler/aco_ir.cpp
index f6da93d25eb..42b334acbb9 100644
--- a/src/amd/compiler/aco_ir.cpp
+++ b/src/amd/compiler/aco_ir.cpp
@@ -1346,6 +1346,9 @@ should_form_clause(const Instruction* a, const Instruction* b)
    if (a->isVMEM() || a->isSMEM())
       return a->operands[0].tempId() == b->operands[0].tempId();
 
+   if (a->isEXP() && b->isEXP())
+      return true;
+
    return false;
 }