From 410bcf27448997a5682ba4a9d4121a4e5b71b235 Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Thu, 28 Jan 2021 15:25:25 +0000
Subject: [PATCH] Fix crash if DXIL phi references itself

---
 renderdoc/driver/shaders/dxil/dxil_bytecode.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp b/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
index 7db47775d..bc0d204be 100644
--- a/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
@@ -1900,7 +1900,7 @@ Program::Program(const byte *bytes, size_t length)
                 int64_t valSrc = LLVMBC::BitReader::svbr(op.get<uint64_t>());
                 uint64_t blockSrc = op.get<uint64_t>();
 
-                if(valSrc < 0)
+                if(valSrc <= 0)
                 {
                   inst.args.push_back(Symbol(SymbolType::Unknown, m_Symbols.size() - valSrc));
                 }