diff options
Diffstat (limited to 'src/llvm_backend_opt.cpp')
| -rw-r--r-- | src/llvm_backend_opt.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/llvm_backend_opt.cpp b/src/llvm_backend_opt.cpp index 4424bde7c..2e03b7974 100644 --- a/src/llvm_backend_opt.cpp +++ b/src/llvm_backend_opt.cpp @@ -322,7 +322,11 @@ 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 LLVMLoad: + if (LLVMGetVolatile(curr_instr)) { + break; + } + /*fallthrough*/ case LLVMFNeg: case LLVMAdd: case LLVMFAdd: @@ -342,7 +346,6 @@ gb_internal void lb_run_remove_dead_instruction_pass(lbProcedure *p) { case LLVMAnd: case LLVMOr: case LLVMXor: - case LLVMLoad: case LLVMGetElementPtr: case LLVMTrunc: case LLVMZExt: |