stack_args.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |
declare i32 @f(i32, i32, i32, i32, i32)
define void @g(i32, i32, i32, i32, i32) {entry: ret void}
...
---
name: g
alignment: 4
legalized: true
tracksRegLiveness: true
fixedStack:
- { id: 0, offset: 16, size: 4, alignment: 8, stack-id: default, isImmutable: true }
body: |
bb.1.entry:
liveins: $a0, $a1, $a2, $a3
; MIPS32-LABEL: name: g
; MIPS32: liveins: $a0, $a1, $a2, $a3
; MIPS32: [[COPY:%[0-9]+]]:gprb(s32) = COPY $a0
; MIPS32: [[COPY1:%[0-9]+]]:gprb(s32) = COPY $a1
; MIPS32: [[COPY2:%[0-9]+]]:gprb(s32) = COPY $a2
; MIPS32: [[COPY3:%[0-9]+]]:gprb(s32) = COPY $a3
; MIPS32: [[FRAME_INDEX:%[0-9]+]]:gprb(p0) = G_FRAME_INDEX %fixed-stack.0
; MIPS32: [[LOAD:%[0-9]+]]:gprb(s32) = G_LOAD [[FRAME_INDEX]](p0) :: (load 4 from %fixed-stack.0, align 8)
; MIPS32: ADJCALLSTACKDOWN 24, 0, implicit-def $sp, implicit $sp
; MIPS32: $a0 = COPY [[COPY]](s32)
; MIPS32: $a1 = COPY [[COPY1]](s32)
; MIPS32: $a2 = COPY [[COPY2]](s32)
; MIPS32: $a3 = COPY [[COPY3]](s32)
; MIPS32: [[COPY4:%[0-9]+]]:gprb(p0) = COPY $sp
; MIPS32: [[C:%[0-9]+]]:gprb(s32) = G_CONSTANT i32 16
; MIPS32: [[GEP:%[0-9]+]]:gprb(p0) = G_PTR_ADD [[COPY4]], [[C]](s32)
; MIPS32: G_STORE [[LOAD]](s32), [[GEP]](p0) :: (store 4 into stack + 16)
; MIPS32: JAL @f, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit $a2, implicit $a3, implicit-def $v0
; MIPS32: [[COPY5:%[0-9]+]]:gprb(s32) = COPY $v0
; MIPS32: ADJCALLSTACKUP 24, 0, implicit-def $sp, implicit $sp
; MIPS32: $v0 = COPY [[COPY5]](s32)
; MIPS32: RetRA implicit $v0
%0:_(s32) = COPY $a0
%1:_(s32) = COPY $a1
%2:_(s32) = COPY $a2
%3:_(s32) = COPY $a3
%5:_(p0) = G_FRAME_INDEX %fixed-stack.0
%4:_(s32) = G_LOAD %5(p0) :: (load 4 from %fixed-stack.0, align 8)
ADJCALLSTACKDOWN 24, 0, implicit-def $sp, implicit $sp
$a0 = COPY %0(s32)
$a1 = COPY %1(s32)
$a2 = COPY %2(s32)
$a3 = COPY %3(s32)
%7:_(p0) = COPY $sp
%8:_(s32) = G_CONSTANT i32 16
%9:_(p0) = G_PTR_ADD %7, %8(s32)
G_STORE %4(s32), %9(p0) :: (store 4 into stack + 16, align 4)
JAL @f, csr_o32, implicit-def $ra, implicit-def $sp, implicit $a0, implicit $a1, implicit $a2, implicit $a3, implicit-def $v0
%6:_(s32) = COPY $v0
ADJCALLSTACKUP 24, 0, implicit-def $sp, implicit $sp
$v0 = COPY %6(s32)
RetRA implicit $v0
...