Remove temporary tuple fix alloca instructions if they are never used

2 files changed, 9 insertions, 10 deletions

diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp
index 4971b1f10..4131f32bf 100644
--- a/src/llvm_backend_opt.cpp
+++ b/src/llvm_backend_opt.cpp
@@ -309,7 +309,15 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
 
 				// NOTE(bill): Explicit instructions are set here because some instructions could have side effects
 				switch (LLVMGetInstructionOpcode(curr_instr)) {
-				// case LLVMAlloca:
+				case LLVMAlloca:
+					if (map_get(&p->tuple_fix_map, curr_instr) != nullptr) {
+						// NOTE(bill, 2025-12-27): Remove temporary tuple fix alloca instructions
+						// if they are never used
+						removal_count += 1;
+						LLVMInstructionEraseFromParent(curr_instr);
+						was_dead_instructions = true;
+					}
+					break;
 				case LLVMLoad:
 					if (LLVMGetVolatile(curr_instr)) {
 						break;
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index 27167aefd..216d600da 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -1212,15 +1212,6 @@ gb_internal lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> c
 			}
 			tuple_fix_values[ret_count-1] = result;
 
-		#if 0
-			for (isize j = 0; j < ret_count; j++) {
-				tuple_geps[j] = lb_emit_struct_ep(p, result_ptr, cast(i32)j);
-			}
-			for (isize j = 0; j < ret_count; j++) {
-				lb_emit_store(p, tuple_geps[j], tuple_fix_values[j]);
-			}
-		#endif
-
 			result = lb_emit_load(p, result_ptr);
 
 			lbTupleFix tf = {tuple_fix_values};