test/CodeGen/MIR/X86/memory-operands.mir

# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the machine memory operands
# correctly.

--- |

  define i32 @test(i32* %a) {
  entry:
    %b = load i32, i32* %a
    store i32 42, i32* %a
    ret i32 %b
  }

  define void @test2(i32* %"a value") {
  entry2:
    %b = load i32, i32* %"a value"
    %c = add i32 %b, 1
    store i32 %c, i32* %"a value"
    ret void
  }

  define void @test3(i32*) {
  entry3:
    %1 = alloca i32
    %b = load i32, i32* %0
    %c = add i32 %b, 1
    store i32 %c, i32* %1
    ret void
  }

  define i32 @volatile_inc(i32* %x) {
  entry:
    %0 = load volatile i32, i32* %x
    %1 = add i32 %0, 1
    store volatile i32 %1, i32* %x
    ret i32 %1
  }

  define void @non_temporal_store(i32* %a, i32 %b) {
  entry:
    store i32 %b, i32* %a, align 16, !nontemporal !0
    ret void
  }

  !0 = !{i32 1}

  define i32 @invariant_load(i32* %x) {
  entry:
    %v = load i32, i32* %x, !invariant.load !1
    ret i32 %v
  }

  !1 = !{}

  define void @memory_offset(<8 x float>* %vec) {
  entry:
    %v = load <8 x float>, <8 x float>* %vec
    %v2 = insertelement <8 x float> %v, float 0.0, i32 4
    store <8 x float> %v2, <8 x float>* %vec
    ret void
  }

  define void @memory_alignment(<8 x float>* %vec) {
  entry:
    %v = load <8 x float>, <8 x float>* %vec
    %v2 = insertelement <8 x float> %v, float 0.0, i32 4
    store <8 x float> %v2, <8 x float>* %vec
    ret void
  }

  define double @constant_pool_psv(double %a) {
  entry:
    %b = fadd double %a, 3.250000e+00
    ret double %b
  }

  declare x86_fp80 @cosl(x86_fp80) #0

  define x86_fp80 @stack_psv(x86_fp80 %x) {
  entry:
    %y = call x86_fp80 @cosl(x86_fp80 %x) #0
    ret x86_fp80 %y
  }

  attributes #0 = { readonly }

  @G = external global i32

  define i32 @got_psv() {
  entry:
    %a = load i32, i32* @G
    %b = add i32 %a, 1
    ret i32 %b
  }

  @0 = external global i32

  define i32 @global_value() {
  entry:
    %a = load i32, i32* @G
    %b = add i32 %a, 1
    %c = load i32, i32* @0
    %d = add i32 %b, %c
    ret i32 %d
  }

  define i32 @jumptable_psv(i32 %in) {
  entry:
    switch i32 %in, label %def [
      i32 0, label %lbl1
      i32 1, label %lbl2
      i32 2, label %lbl3
      i32 3, label %lbl4
    ]
  def:
    ret i32 0
  lbl1:
    ret i32 1
  lbl2:
    ret i32 2
  lbl3:
    ret i32 4
  lbl4:
    ret i32 8
  }

  %struct.XXH_state64_t = type { i32, i32, i64, i64, i64 }

  @a = common global i32 0, align 4

  define i32 @tbaa_metadata() {
  entry:
    %0 = load i32, i32* @a, align 4, !tbaa !2
    %1 = inttoptr i32 %0 to %struct.XXH_state64_t*
    %total_len2 = bitcast %struct.XXH_state64_t* %1 to i32*
    %2 = load i32, i32* %total_len2, align 4, !tbaa !6
    ret i32 %2
  }

  !2 = !{!3, !3, i64 0}
  !3 = !{!"int", !4, i64 0}
  !4 = !{!"omnipotent char", !5, i64 0}
  !5 = !{!"Simple C/C++ TBAA"}
  !6 = !{!7, !3, i64 0}
  !7 = !{!"XXH_state64_t", !3, i64 0, !3, i64 4, !8, i64 8, !8, i64 16, !8, i64 24}
  !8 = !{!"long long", !4, i64 0}

  define void @aa_scope(float* nocapture %a, float* nocapture readonly %c) #1 {
  entry:
    %0 = load float, float* %c, align 4, !alias.scope !9
    %arrayidx.i = getelementptr inbounds float, float* %a, i64 5
    store float %0, float* %arrayidx.i, align 4, !noalias !9
    %1 = load float, float* %c, align 4
    %arrayidx = getelementptr inbounds float, float* %a, i64 7
    store float %1, float* %arrayidx, align 4
    ret void
  }

  attributes #1 = { nounwind uwtable }

  !9 = distinct !{!9, !10, !"some scope"}
  !10 = distinct !{!10, !"some domain"}

  define zeroext i1 @range_metadata(i8* %x) {
  entry:
    %0 = load i8, i8* %x, align 1, !range !11
    %tobool = trunc i8 %0 to i1
    ret i1 %tobool
  }

  !11 = !{i8 0, i8 2}

  %st = type { i32, i32 }

  @values = common global [50 x %st] zeroinitializer, align 16

  define void @gep_value(i64 %d) {
  entry:
    %conv = trunc i64 %d to i32
    store i32 %conv, i32* getelementptr inbounds ([50 x %st], [50 x %st]* @values, i64 0, i64 0, i32 0), align 16
    ret void
  }

  define i8* @undef_value() {
  entry:
    %0 = load i8*, i8** undef, align 8
    ret i8* %0
  }

  define void @dummy0() { ret void }
  define void @dummy1() { ret void }
...
---
name:            test
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
  ; CHECK:      %eax = MOV32rm %rdi, 1, _, 0, _ :: (load 4 from %ir.a)
  ; CHECK-NEXT: MOV32mi killed %rdi, 1, _, 0, _, 42 :: (store 4 into %ir.a)
    %eax = MOV32rm %rdi, 1, _, 0, _ :: (load 4 from %ir.a)
    MOV32mi killed %rdi, 1, _, 0, _, 42 :: (store 4 into %ir.a)
    RETQ %eax
...
---
name:            test2
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry2:
    liveins: %rdi
  ; CHECK: INC32m killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (store 4 into %ir."a value"), (load 4 from %ir."a value")
    INC32m killed %rdi, 1, _, 0, _, implicit-def dead %eflags :: (store 4 into %ir."a value"), (load 4 from %ir."a value")
    RETQ
...
---
name:            test3
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
frameInfo:
  maxAlignment:    4
stack:
  - { id: 0, offset: -12, size: 4, alignment: 4 }
body: |
  bb.0.entry3:
    liveins: %rdi
  ; Verify that the unnamed local values can be serialized.
  ; CHECK-LABEL: name: test3
  ; CHECK: %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (load 4 from %ir.0)
  ; CHECK: MOV32mr %rsp, 1, _, -4, _, killed %eax :: (store 4 into %ir.1)
    %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (load 4 from %ir.0)
    %eax = INC32r killed %eax, implicit-def dead %eflags
    MOV32mr %rsp, 1, _, -4, _, killed %eax :: (store 4 into %ir.1)
    RETQ
...
---
name:            volatile_inc
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
    ; CHECK: name: volatile_inc
    ; CHECK: %eax = MOV32rm %rdi, 1, _, 0, _ :: (volatile load 4 from %ir.x)
    ; CHECK: MOV32mr killed %rdi, 1, _, 0, _, %eax :: (volatile store 4 into %ir.x)
    %eax = MOV32rm %rdi, 1, _, 0, _ :: (volatile load 4 from %ir.x)
    %eax = INC32r killed %eax, implicit-def dead %eflags
    MOV32mr killed %rdi, 1, _, 0, _, %eax :: (volatile store 4 into %ir.x)
    RETQ %eax
...
---
name:            non_temporal_store
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
  - { reg: '%esi' }
body: |
  bb.0.entry:
    liveins: %esi, %rdi
  ; CHECK: name: non_temporal_store
  ; CHECK: MOVNTImr killed %rdi, 1, _, 0, _, killed %esi :: (non-temporal store 4 into %ir.a)
    MOVNTImr killed %rdi, 1, _, 0, _, killed %esi :: (non-temporal store 4 into %ir.a)
    RETQ
...
---
name:            invariant_load
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
  ; CHECK: name: invariant_load
  ; CHECK: %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (invariant load 4 from %ir.x)
    %eax = MOV32rm killed %rdi, 1, _, 0, _ :: (invariant load 4 from %ir.x)
    RETQ %eax
...
---
name:            memory_offset
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
  ; CHECK: name: memory_offset
  ; CHECK:      %xmm0 = MOVAPSrm %rdi, 1, _, 0, _ :: (load 16 from %ir.vec)
  ; CHECK-NEXT: %xmm1 = MOVAPSrm %rdi, 1, _, 16, _ :: (load 16 from %ir.vec + 16)
  ; CHECK:      MOVAPSmr %rdi, 1, _, 0, _, killed %xmm0 :: (store 16 into %ir.vec)
  ; CHECK-NEXT: MOVAPSmr killed %rdi, 1, _, 16, _, killed %xmm1 :: (store 16 into %ir.vec + 16)
    %xmm0 = MOVAPSrm %rdi, 1, _, 0, _ :: (load 16 from %ir.vec)
    %xmm1 = MOVAPSrm %rdi, 1, _, 16, _ :: (load 16 from %ir.vec + 16)
    %xmm2 = FsFLD0SS
    %xmm1 = MOVSSrr killed %xmm1, killed %xmm2
    MOVAPSmr %rdi, 1, _, 0, _, killed %xmm0 :: (store 16 into %ir.vec)
    MOVAPSmr killed %rdi, 1, _, 16, _, killed %xmm1 :: (store 16 into %ir.vec + 16)
    RETQ
...
---
name:            memory_alignment
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
  ; CHECK: name: memory_alignment
  ; CHECK:      %xmm0 = MOVAPSrm %rdi, 1, _, 0, _ :: (load 16 from %ir.vec, align 32)
  ; CHECK-NEXT: %xmm1 = MOVAPSrm %rdi, 1, _, 16, _ :: (load 16 from %ir.vec + 16, align 32)
  ; CHECK:      MOVAPSmr %rdi, 1, _, 0, _, killed %xmm0 :: (store 16 into %ir.vec, align 32)
  ; CHECK-NEXT: MOVAPSmr killed %rdi, 1, _, 16, _, killed %xmm1 :: (store 16 into %ir.vec + 16, align 32)
    %xmm0 = MOVAPSrm %rdi, 1, _, 0, _ :: (load 16 from %ir.vec, align 32)
    %xmm1 = MOVAPSrm %rdi, 1, _, 16, _ :: (load 16 from %ir.vec + 16, align 32)
    %xmm2 = FsFLD0SS
    %xmm1 = MOVSSrr killed %xmm1, killed %xmm2
    MOVAPSmr %rdi, 1, _, 0, _, killed %xmm0 :: (store 16 into %ir.vec, align 32)
    MOVAPSmr killed %rdi, 1, _, 16, _, killed %xmm1 :: (store 16 into %ir.vec + 16, align 32)
    RETQ
...
---
name:            constant_pool_psv
tracksRegLiveness: true
liveins:
  - { reg: '%xmm0' }
constants:
  - id:          0
    value:       'double 3.250000e+00'
body: |
  bb.0.entry:
    liveins: %xmm0
  ; CHECK: name: constant_pool_psv
  ; CHECK:      %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _ :: (load 8 from constant-pool)
  ; CHECK-NEXT: %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _ :: (load 8 from constant-pool + 8)
    %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _ :: (load 8 from constant-pool)
    %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _ :: (load 8 from constant-pool + 8)
    RETQ %xmm0
...
---
name:            stack_psv
tracksRegLiveness: true
frameInfo:
  stackSize:       24
  maxAlignment:    16
  adjustsStack:    true
  hasCalls:        true
  maxCallFrameSize: 16
fixedStack:
  - { id: 0, offset: 0, size: 10, alignment: 16, isImmutable: true, isAliased: false }
body: |
  bb.0.entry:
    %rsp = frame-setup SUB64ri8 %rsp, 24, implicit-def dead %eflags
    CFI_INSTRUCTION def_cfa_offset 32
    LD_F80m %rsp, 1, _, 32, _, implicit-def dead %fpsw
  ; CHECK: name: stack_psv
  ; CHECK: ST_FP80m %rsp, 1, _, 0, _, implicit-def dead %fpsw :: (store 10 into stack, align 16)
    ST_FP80m %rsp, 1, _, 0, _, implicit-def dead %fpsw :: (store 10 into stack, align 16)
    CALL64pcrel32 $cosl, csr_64, implicit %rsp, implicit-def %rsp, implicit-def %fp0
    %rsp = ADD64ri8 %rsp, 24, implicit-def dead %eflags
    RETQ
...
---
name:            got_psv
tracksRegLiveness: true
body: |
  bb.0.entry:
  ; CHECK: name: got_psv
  ; CHECK: %rax = MOV64rm %rip, 1, _, @G, _ :: (load 8 from got)
    %rax = MOV64rm %rip, 1, _, @G, _ :: (load 8 from got)
    %eax = MOV32rm killed %rax, 1, _, 0, _
    %eax = INC32r killed %eax, implicit-def dead %eflags
    RETQ %eax
...
---
name:            global_value
tracksRegLiveness: true
body: |
  bb.0.entry:
    %rax = MOV64rm %rip, 1, _, @G, _
  ; CHECK-LABEL: name: global_value
  ; CHECK: %eax = MOV32rm killed %rax, 1, _, 0, _, implicit-def %rax :: (load 4 from @G)
  ; CHECK: %ecx = MOV32rm killed %rcx, 1, _, 0, _, implicit-def %rcx :: (load 4 from @0)
    %eax = MOV32rm killed %rax, 1, _, 0, _, implicit-def %rax :: (load 4 from @G)
    %rcx = MOV64rm %rip, 1, _, @0, _
    %ecx = MOV32rm killed %rcx, 1, _, 0, _, implicit-def %rcx :: (load 4 from @0)
    %eax = LEA64_32r killed %rax, 1, killed %rcx, 1, _
    RETQ %eax
...
---
name:            jumptable_psv
tracksRegLiveness: true
liveins:
  - { reg: '%edi' }
jumpTable:
  kind:          label-difference32
  entries:
    - id:        0
      blocks:    [ '%bb.3.lbl1', '%bb.4.lbl2', '%bb.5.lbl3', '%bb.6.lbl4' ]
body: |
  bb.0.entry:
    successors: %bb.2.def, %bb.1.entry
    liveins: %edi

    %eax = MOV32rr %edi, implicit-def %rax
    CMP32ri8 killed %edi, 3, implicit-def %eflags
    JA_1 %bb.2.def, implicit killed %eflags

  bb.1.entry:
    successors: %bb.3.lbl1, %bb.4.lbl2, %bb.5.lbl3, %bb.6.lbl4
    liveins: %rax

    %rcx = LEA64r %rip, 1, _, %jump-table.0, _
  ; CHECK: name: jumptable_psv
  ; CHECK: %rax = MOVSX64rm32 %rcx, 4, killed %rax, 0, _ :: (load 4 from jump-table, align 8)
    %rax = MOVSX64rm32 %rcx, 4, killed %rax, 0, _ :: (load 4 from jump-table, align 8)
    %rax = ADD64rr killed %rax, killed %rcx, implicit-def dead %eflags
    JMP64r killed %rax

  bb.2.def:
    %eax = MOV32r0 implicit-def dead %eflags
    RETQ %eax

  bb.3.lbl1:
    %eax = MOV32ri 1
    RETQ %eax

  bb.4.lbl2:
    %eax = MOV32ri 2
    RETQ %eax

  bb.5.lbl3:
    %eax = MOV32ri 4
    RETQ %eax

  bb.6.lbl4:
    %eax = MOV32ri 8
    RETQ %eax
...
---
name:            tbaa_metadata
tracksRegLiveness: true
body: |
  bb.0.entry:
    %rax = MOV64rm %rip, 1, _, @a, _ :: (load 8 from got)
  ; CHECK-LABEL: name: tbaa_metadata
  ; CHECK:      %eax = MOV32rm killed %rax, 1, _, 0, _, implicit-def %rax :: (load 4 from @a, !tbaa !2)
  ; CHECK-NEXT: %eax = MOV32rm killed %rax, 1, _, 0, _ :: (load 4 from %ir.total_len2, !tbaa !6)
    %eax = MOV32rm killed %rax, 1, _, 0, _, implicit-def %rax :: (load 4 from @a, !tbaa !2)
    %eax = MOV32rm killed %rax, 1, _, 0, _ :: (load 4 from %ir.total_len2, !tbaa !6)
    RETQ %eax
...
---
name:            aa_scope
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
  - { reg: '%rsi' }
body: |
  bb.0.entry:
    liveins: %rdi, %rsi
  ; CHECK-LABEL: name: aa_scope
  ; CHECK: %xmm0 = MOVSSrm %rsi, 1, _, 0, _ :: (load 4 from %ir.c, !alias.scope !9)
    %xmm0 = MOVSSrm %rsi, 1, _, 0, _ :: (load 4 from %ir.c, !alias.scope !9)
  ; CHECK-NEXT: MOVSSmr %rdi, 1, _, 20, _, killed %xmm0 :: (store 4 into %ir.arrayidx.i, !noalias !9)
    MOVSSmr %rdi, 1, _, 20, _, killed %xmm0 :: (store 4 into %ir.arrayidx.i, !noalias !9)
    %xmm0 = MOVSSrm killed %rsi, 1, _, 0, _ :: (load 4 from %ir.c)
    MOVSSmr killed %rdi, 1, _, 28, _, killed %xmm0 :: (store 4 into %ir.arrayidx)
    RETQ
...
---
name:            range_metadata
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi
  ; CHECK-LABEL: name: range_metadata
  ; CHECK: %al = MOV8rm killed %rdi, 1, _, 0, _ :: (load 1 from %ir.x, !range !11)
    %al = MOV8rm killed %rdi, 1, _, 0, _ :: (load 1 from %ir.x, !range !11)
    RETQ %al
...
---
name:            gep_value
tracksRegLiveness: true
liveins:
  - { reg: '%rdi' }
body: |
  bb.0.entry:
    liveins: %rdi

    %rax = MOV64rm %rip, 1, _, @values, _ :: (load 8 from got)
  ; CHECK-LABEL: gep_value
  ; CHECK: MOV32mr killed %rax, 1, _, 0, _, %edi, implicit killed %rdi :: (store 4 into `i32* getelementptr inbounds ([50 x %st], [50 x %st]* @values, i64 0, i64 0, i32 0)`, align 16)
    MOV32mr killed %rax, 1, _, 0, _, %edi, implicit killed %rdi :: (store 4 into `i32* getelementptr inbounds ([50 x %st], [50 x %st]* @values, i64 0, i64 0, i32 0)`, align 16)
    RETQ
...
---
name:            undef_value
tracksRegLiveness: true
body: |
  bb.0.entry:
  ; CHECK-LABEL: name: undef_value
  ; CHECK: %rax = MOV64rm undef %rax, 1, _, 0, _ :: (load 8 from `i8** undef`)
    %rax = MOV64rm undef %rax, 1, _, 0, _ :: (load 8 from `i8** undef`)
    RETQ %rax
...
---
# Test memory operand without associated value.
# CHECK-LABEL: name: dummy0
# CHECK: %rax = MOV64rm undef %rax, 1, _, 0, _ :: (load 8)
name: dummy0
tracksRegLiveness: true
body: |
  bb.0:
    %rax = MOV64rm undef %rax, 1, _, 0, _ :: (load 8)
    RETQ %rax
...
---
# Test parsing of stack references in machine memory operands.
# CHECK-LABEL: name: dummy1
# CHECK: %rax = MOV64rm %rsp, 1, _, 0, _ :: (load 8 from %stack.0)
name: dummy1
tracksRegLiveness: true
stack:
  - { id: 0, size: 4, alignment: 4 }
body: |
  bb.0:
    %rax = MOV64rm %rsp, 1, _, 0, _ :: (load 8 from %stack.0)
    RETQ %rax

...