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Fix value elision on declaration

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This commit is contained in:
gingerBill
2023-03-09 15:39:41 +00:00
parent 9af6d6c9c6
commit 7c0257fcda
5 changed files with 33 additions and 12 deletions
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src/llvm_backend_opt.cpp
+5 -1
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@@ -275,6 +275,9 @@ gb_internal void lb_populate_module_pass_manager(LLVMTargetMachineRef target_mac
**************************************************************************/
gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
unsigned debug_declare_id = LLVMLookupIntrinsicID("llvm.dbg.declare", 16);
GB_ASSERT(debug_declare_id != 0);
isize removal_count = 0;
isize pass_count = 0;
isize const max_pass_count = 10;
@@ -310,6 +313,8 @@ 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 LLVMFNeg:
case LLVMAdd:
case LLVMFAdd:
@@ -329,7 +334,6 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) {
case LLVMAnd:
case LLVMOr:
case LLVMXor:
case LLVMAlloca:
case LLVMLoad:
case LLVMGetElementPtr:
case LLVMTrunc: