# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s # This test ensures that the MIR parser parses null register operands correctly. --- | define i32 @deref(i32* %p) { entry: %a = load i32, i32* %p ret i32 %a } ... --- # CHECK: name: deref name: deref body: | bb.0.entry: ; CHECK: %eax = MOV32rm %rdi, 1, _, 0, _ ; CHECK-NEXT: RETQ %eax %eax = MOV32rm %rdi, 1, _, 0, %noreg RETQ %eax ...