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

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# 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'
...