test/CodeGen/MIR/X86/global-value-operands.mir

# 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 global value operands correctly.

--- |

  @G = external global i32
  @0 = external global i32

  define i32 @inc() {
  entry:
    %a = load i32, i32* @G
    %b = add i32 %a, 1
    ret i32 %b
  }

  define i32 @inc2() {
  entry:
    %a = load i32, i32* @0
    %b = add i32 %a, 1
    ret i32 %b
  }

...
---
# CHECK: name: inc
name: inc
body:
  - id: 0
    name: entry
    instructions:
      # CHECK: - '%rax = MOV64rm %rip, 1, _, @G, _'
      - '%rax = MOV64rm %rip, 1, _, @G, _'
      - '%eax = MOV32rm %rax, 1, _, 0, _'
      - '%eax = INC32r %eax, implicit-def %eflags'
      - 'RETQ %eax'
...
---
# CHECK: name: inc2
name: inc2
body:
  - id: 0
    name: entry
    instructions:
      # CHECK: - '%rax = MOV64rm %rip, 1, _, @0, _'
      - '%rax = MOV64rm %rip, 1, _, @0, _'
      - '%eax = MOV32rm %rax, 1, _, 0, _'
      - '%eax = INC32r %eax, implicit-def %eflags'
      - 'RETQ %eax'
...