1# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s 2# This test ensures that the MIR parser parses null register operands correctly. 3 4--- | 5 6 define i32 @deref(ptr %p) { 7 entry: 8 %a = load i32, ptr %p 9 ret i32 %a 10 } 11 12... 13--- 14# CHECK: name: deref 15name: deref 16body: | 17 bb.0.entry: 18 ; CHECK: $eax = MOV32rm $rdi, 1, $noreg, 0, $noreg 19 ; CHECK-NEXT: RET64 $eax 20 $eax = MOV32rm $rdi, 1, _, 0, $noreg 21 RET64 $eax 22... 23