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| # RUN: llc -march=x86 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses fixed stack memory operands
# correctly.
--- |
define i32 @test(i32 %a) #0 {
entry:
%b = alloca i32
store i32 %a, i32* %b
%c = load i32, i32* %b
ret i32 %c
}
attributes #0 = { "no-frame-pointer-elim"="false" }
...
---
name: test
alignment: 16
tracksRegLiveness: true
frameInfo:
stackSize: 4
maxAlignment: 4
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true }
stack:
- { id: 0, name: b, offset: -8, size: 4, alignment: 4 }
body: |
bb.0.entry:
frame-setup PUSH32r undef $eax, implicit-def $esp, implicit $esp
CFI_INSTRUCTION def_cfa_offset 8
; CHECK: name: test
; CHECK: $eax = MOV32rm $esp, 1, $noreg, 8, $noreg :: (load 4 from %fixed-stack.0, align 16)
$eax = MOV32rm $esp, 1, _, 8, _ :: (load 4 from %fixed-stack.0, align 16)
MOV32mr $esp, 1, _, 0, _, $eax :: (store 4 into %ir.b)
$edx = POP32r implicit-def $esp, implicit $esp
RETL $eax
...
|