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# RUN: llc -mtriple=x86_64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses variable sized stack objects
# correctly.
--- |
define i32 @test(i32 %a) {
entry:
%b = alloca i32
%x = alloca i64
%y = alloca i32, i32 %a
store i32 %a, ptr %b
store i64 2, ptr %x
%c = load i32, ptr %b
ret i32 %c
}
...
---
name: test
frameInfo:
stackSize: 24
offsetAdjustment: -16
maxAlignment: 8
adjustsStack: true
# CHECK: stack:
# CHECK-NEXT: - { id: 0, name: '', type: default, offset: -20, size: 4, alignment: 4,
# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 1, name: '', type: default, offset: -32, size: 8, alignment: 8,
# CHECK-NEXT: stack-id: default, callee-saved-register: '', callee-saved-restored: true,
# CHECK-NEXT: debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
# CHECK-NEXT: - { id: 2, name: y, type: variable-sized, offset: -32, alignment: 1,
stack:
- { id: 0, offset: -20, size: 4, alignment: 4 }
- { id: 1, offset: -32, size: 8, alignment: 8 }
- { id: 2, name: y, type: variable-sized, offset: -32, alignment: 1 }
body: |
bb.0.entry:
MOV32mr $rsp, 1, _, -4, _, $edi
MOV64mi32 $rsp, 1, _, -16, _, 2
$eax = MOV32rm $rsp, 1, _, -4, _
RET64 $eax
...
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