llvm/test/CodeGen/X86/cf-opt-memops.mir

# RUN: llc -o - -mtriple=x86_64-- -run-pass=x86-cf-opt %s | FileCheck %s
# RUN: llc -o - -mtriple=x86_64-- -passes=x86-cf-opt %s | FileCheck %s

--- |
  ; ModuleID = 'test.ll'
  source_filename = "code_io.c"
  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  
  @.str.8 = private unnamed_addr constant [34 x i8] c"%10s%10s%10s%10s%10s%10s%10s%10s\0A\00", align 1
  @.str.9 = private unnamed_addr constant [6 x i8] c"nbody\00", align 1
  @.str.10 = private unnamed_addr constant [6 x i8] c"dtime\00", align 1
  @.str.11 = private unnamed_addr constant [4 x i8] c"eps\00", align 1
  @.str.12 = private unnamed_addr constant [4 x i8] c"tol\00", align 1
  @.str.13 = private unnamed_addr constant [6 x i8] c"dtout\00", align 1
  @.str.14 = private unnamed_addr constant [6 x i8] c"tstop\00", align 1
  @.str.15 = private unnamed_addr constant [7 x i8] c"fcells\00", align 1
  @.str.16 = private unnamed_addr constant [6 x i8] c"NPROC\00", align 1
  
  define dso_local void @initoutput() local_unnamed_addr {
  entry:
    %call1 = tail call i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str.8, ptr @.str.9, ptr @.str.10, ptr @.str.11, ptr @.str.12, ptr @.str.13, ptr @.str.14, ptr @.str.15, ptr @.str.16)
    ret void
  }
  
  declare dso_local i32 @printf(ptr nocapture readonly, ...) local_unnamed_addr
  
  ; Function Attrs: nounwind
  declare void @llvm.stackprotector(ptr, ptr) #0
  
  attributes #0 = { nounwind }

...
---
name:            initoutput
alignment:       16
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:
  - { id: 0, class: gr64, preferred-register: '' }
  - { id: 1, class: gr64, preferred-register: '' }
  - { id: 2, class: gr64, preferred-register: '' }
  - { id: 3, class: gr64, preferred-register: '' }
  - { id: 4, class: gr64, preferred-register: '' }
  - { id: 5, class: gr64, preferred-register: '' }
  - { id: 6, class: gr64, preferred-register: '' }
  - { id: 7, class: gr32, preferred-register: '' }
  - { id: 8, class: gr8, preferred-register: '' }
  - { id: 9, class: gr32, preferred-register: '' }
liveins:         []
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    8
  adjustsStack:    false
  hasCalls:        true
  stackProtector:  ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       []
  restorePoint:    []
fixedStack:      []
stack:           []
callSites:       []
constants:       []
machineFunctionInfo: {}
body:             |
  bb.0.entry:
    ADJCALLSTACKDOWN64 24, 0, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    %0:gr64 = COPY $rsp
    MOV64mi32 %0, 1, $noreg, 16, $noreg, @.str.16 :: (store (s64) into stack + 16)
    MOV64mi32 %0, 1, $noreg, 8, $noreg, @.str.15 :: (store (s64) into stack + 8)
    MOV64mi32 %0, 1, $noreg, 0, $noreg, @.str.14 :: (store (s64) into stack)
    %1:gr64 = MOV32ri64 @.str.8
    %2:gr64 = MOV32ri64 @.str.9
    %3:gr64 = MOV32ri64 @.str.10
    %4:gr64 = MOV32ri64 @.str.11
    %5:gr64 = MOV32ri64 @.str.12
    %6:gr64 = MOV32ri64 @.str.13
    %7:gr32 = MOV32r0 implicit-def dead $eflags
    %8:gr8 = COPY %7.sub_8bit
    $rdi = COPY %1
    $rsi = COPY %2
    $rdx = COPY %3
    $rcx = COPY %4
    $r8 = COPY %5
    $r9 = COPY %6
    $al = COPY %8
    CALL64pcrel32 @printf, csr_64, implicit $rsp, implicit $ssp, implicit $rdi, implicit $rsi, implicit $rdx, implicit $rcx, implicit $r8, implicit $r9, implicit $al, implicit-def $rsp, implicit-def $ssp, implicit-def $eax
    ADJCALLSTACKUP64 24, 0, implicit-def dead $rsp, implicit-def dead $eflags, implicit-def dead $ssp, implicit $rsp, implicit $ssp
    RET 0

# Call frame optimization should propagate memory operands
# CHECK: PUSH64i32 @{{.*}} :: (store (s64) into stack + 16)
# CHECK: PUSH64i32 @{{.*}} :: (store (s64) into stack + 8)
# CHECK: PUSH64i32 @{{.*}} :: (store (s64) into stack)

...