shader: Inline common IR::Block methods

src/shader_recompiler/frontend/ir/basic_block.cpp

@@ -69,24 +69,12 @@ u32 Block::LocationEnd() const noexcept {
     return location_end;
 }
 
-Block::InstructionList& Block::Instructions() noexcept {
-    return instructions;
-}
-
-const Block::InstructionList& Block::Instructions() const noexcept {
-    return instructions;
-}
-
 void Block::AddImmediatePredecessor(Block* block) {
     if (std::ranges::find(imm_predecessors, block) == imm_predecessors.end()) {
         imm_predecessors.push_back(block);
     }
 }
 
-std::span<IR::Block* const> Block::ImmediatePredecessors() const noexcept {
-    return imm_predecessors;
-}
-
 static std::string BlockToIndex(const std::map<const Block*, size_t>& block_to_index,
                                 Block* block) {
     if (const auto it{block_to_index.find(block)}; it != block_to_index.end()) {

src/shader_recompiler/frontend/ir/basic_block.h

@@ -59,15 +59,22 @@ public:
     /// Gets the end location for this basic block.
     [[nodiscard]] u32 LocationEnd() const noexcept;
 
-    /// Gets a mutable reference to the instruction list for this basic block.
-    [[nodiscard]] InstructionList& Instructions() noexcept;
-    /// Gets an immutable reference to the instruction list for this basic block.
-    [[nodiscard]] const InstructionList& Instructions() const noexcept;
-
     /// Adds a new immediate predecessor to this basic block.
     void AddImmediatePredecessor(Block* block);
+
+    /// Gets a mutable reference to the instruction list for this basic block.
+    [[nodiscard]] InstructionList& Instructions() noexcept {
+        return instructions;
+    }
+    /// Gets an immutable reference to the instruction list for this basic block.
+    [[nodiscard]] const InstructionList& Instructions() const noexcept {
+        return instructions;
+    }
+
     /// Gets an immutable span to the immediate predecessors.
-    [[nodiscard]] std::span<Block* const> ImmediatePredecessors() const noexcept;
+    [[nodiscard]] std::span<Block* const> ImmediatePredecessors() const noexcept {
+        return imm_predecessors;
+    }
 
     /// Intrusively store the host definition of this instruction.
     template <typename DefinitionType>