1# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
2# This test ensures that the MIR parser parses variable sized stack objects
3# correctly.
4
5--- |
6
7  define i32 @test(i32 %a) {
8  entry:
9    %b = alloca i32
10    %x = alloca i64
11    %y = alloca i32, i32 %a
12    store i32 %a, i32* %b
13    store i64 2, i64* %x
14    %c = load i32, i32* %b
15    ret i32 %c
16  }
17
18...
19---
20name:            test
21frameInfo:
22  stackSize:       24
23  offsetAdjustment: -16
24  maxAlignment:    8
25  adjustsStack:    true
26# CHECK: stack:
27# CHECK-NEXT: - { id: 0, name: '', type: default, offset: -20, size: 4, alignment: 4,
28# CHECK-NEXT:  stack-id: default, callee-saved-register: '', callee-saved-restored: true,
29# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
30# CHECK-NEXT: - { id: 1, name: '', type: default, offset: -32, size: 8, alignment: 8,
31# CHECK-NEXT:  stack-id: default, callee-saved-register: '', callee-saved-restored: true,
32# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
33# CHECK-NEXT: - { id: 2, name: y, type: variable-sized, offset: -32, alignment: 1,
34stack:
35  - { id: 0, offset: -20, size: 4, alignment: 4 }
36  - { id: 1, offset: -32, size: 8, alignment: 8 }
37  - { id: 2, name: y, type: variable-sized, offset: -32, alignment: 1 }
38body: |
39  bb.0.entry:
40    MOV32mr $rsp, 1, _, -4, _, $edi
41    MOV64mi32 $rsp, 1, _, -16, _, 2
42    $eax = MOV32rm $rsp, 1, _, -4, _
43    RETQ $eax
44...
45