shader_ir: propagate shader size to the IR

src/video_core/shader/decode.cpp

@@ -39,7 +39,7 @@ void ShaderIR::Decode() {
     std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
 
     ShaderCharacteristics shader_info{};
-    bool can_proceed = ScanFlow(program_code, MAX_PROGRAM_LENGTH, main_offset, shader_info);
+    bool can_proceed = ScanFlow(program_code, program_code.size(), main_offset, shader_info);
     if (can_proceed) {
         coverage_begin = shader_info.start;
         coverage_end = shader_info.end;
@@ -52,12 +52,12 @@ void ShaderIR::Decode() {
         }
         return;
     }
-    LOG_CRITICAL(HW_GPU, "Flow Analysis failed, falling back to brute force compiling");
+    LOG_WARNING(HW_GPU, "Flow Analysis failed, falling back to brute force compiling");
 
     // Now we need to deal with an undecompilable shader. We need to brute force
     // a shader that captures every position.
     coverage_begin = shader_info.start;
-    const u32 shader_end = static_cast<u32>(MAX_PROGRAM_LENGTH);
+    const u32 shader_end = static_cast<u32>(program_size / sizeof(u64));
     coverage_end = shader_end;
     for (u32 label = main_offset; label < shader_end; label++) {
         basic_blocks.insert({label, DecodeRange(label, label + 1)});

src/video_core/shader/shader_ir.cpp

@@ -22,8 +22,8 @@ using Tegra::Shader::PredCondition;
 using Tegra::Shader::PredOperation;
 using Tegra::Shader::Register;
 
-ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset)
-    : program_code{program_code}, main_offset{main_offset} {
+ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, const std::size_t size)
+    : program_code{program_code}, main_offset{main_offset}, program_size{size} {
     Decode();
 }
 

src/video_core/shader/shader_ir.h

@@ -65,7 +65,7 @@ struct GlobalMemoryUsage {
 
 class ShaderIR final {
 public:
-    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset);
+    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset, std::size_t size);
     ~ShaderIR();
 
     const std::map<u32, NodeBlock>& GetBasicBlocks() const {
@@ -316,6 +316,7 @@ private:
 
     const ProgramCode& program_code;
     const u32 main_offset;
+    const std::size_t program_size;
 
     u32 coverage_begin{};
     u32 coverage_end{};