llvm/test/CodeGen/X86/x87-reg-usage.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=x86-64 -mattr=+x87 -mattr=-sse -run-pass none -o - %s | FileCheck %s
# This test ensures that the MIR parser parses the x87 fpsw and fpcw regs

--- |
  declare float @llvm.sqrt.f32(float)

  define void @f1(float* %a, float* %b) {
    %1 = load float, float* %a, align 4
    %2 = load float, float* %b, align 4
    %sub = fsub float %1, %2
    store float %sub, float* %a, align 4
    ret void
  }

  define void @f2(double* %a, double* %b) {
    %1 = load double, double* %a, align 8
    %2 = load double, double* %b, align 8
    %add = fadd double %1, %2
    store double %add, double* %a, align 8
    ret void
  }

  define void @f3(x86_fp80* %a, x86_fp80* %b) {
    %1 = load x86_fp80, x86_fp80* %a, align 16
    %2 = load x86_fp80, x86_fp80* %b, align 16
    %mul = fmul x86_fp80 %1, %2
    store x86_fp80 %mul, x86_fp80* %a, align 16
    ret void
  }

  define void @f4(float* %a, float* %b) {
    %1 = load float, float* %a, align 4
    %2 = load float, float* %b, align 4
    %div = fdiv float %1, %2
    store float %div, float* %a, align 4
    ret void
  }

  define void @f5(float* %val, double* %ret) {
    %1 = load float, float* %val, align 4
    %res = fpext float %1 to double
    store double %res, double* %ret, align 8
    ret void
  }

  define void @f6(double* %val, float* %ret) {
    %1 = load double, double* %val, align 8
    %res = fptrunc double %1 to float
    store float %res, float* %ret, align 4
    ret void
  }

  define void @f7(float* %a) {
    %1 = load float, float* %a, align 4
    %res = call float @llvm.sqrt.f32(float %1)
    store float %res, float* %a, align 4
    ret void
  }



...
---
name:            f1
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f1
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    ; CHECK: renamable $fp0 = SUB_Fp32m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.b)
    ; CHECK: ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    renamable $fp0 = SUB_Fp32m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.b)
    ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    RET 0

...
---
name:            f2
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f2
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp64m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.a)
    ; CHECK: renamable $fp0 = ADD_Fp64m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.b)
    ; CHECK: ST_Fp64m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 8 into %ir.a)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp64m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.a)
    renamable $fp0 = ADD_Fp64m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.b)
    ST_Fp64m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 8 into %ir.a)
    RET 0

...
---
name:            f3
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f3
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp80m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 10 from %ir.a, align 16)
    ; CHECK: renamable $fp1 = LD_Fp80m killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 10 from %ir.b, align 16)
    ; CHECK: renamable $fp0 = MUL_Fp80 killed renamable $fp0, killed renamable $fp1, implicit-def dead $fpsw, implicit $fpcw
    ; CHECK: ST_FpP80m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 10 into %ir.a, align 16)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp80m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 10 from %ir.a, align 16)
    renamable $fp1 = LD_Fp80m killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 10 from %ir.b, align 16)
    renamable $fp0 = MUL_Fp80 killed renamable $fp0, killed renamable $fp1, implicit-def dead $fpsw, implicit $fpcw
    ST_FpP80m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 10 into %ir.a, align 16)
    RET 0

...
---
name:            f4
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f4
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    ; CHECK: renamable $fp0 = DIV_Fp32m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.b)
    ; CHECK: ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    renamable $fp0 = DIV_Fp32m killed renamable $fp0, killed renamable $rsi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.b)
    ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    RET 0

...
---
name:            f5
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f5
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp32m64 killed renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.val)
    ; CHECK: ST_Fp64m killed renamable $rsi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 8 into %ir.ret)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp32m64 killed renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.val)
    ST_Fp64m killed renamable $rsi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 8 into %ir.ret)
    RET 0

...
---
name:            f6
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
  - { reg: '$rsi' }
frameInfo:
  maxAlignment:    4
stack:
  - { id: 0, size: 4, alignment: 4 }
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi, $rsi

    ; CHECK-LABEL: name: f6
    ; CHECK: liveins: $rdi, $rsi
    ; CHECK: renamable $fp0 = LD_Fp64m killed renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.val)
    ; CHECK: ST_Fp64m32 %stack.0, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %stack.0)
    ; CHECK: renamable $fp0 = LD_Fp32m %stack.0, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %stack.0)
    ; CHECK: ST_Fp32m killed renamable $rsi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.ret)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp64m killed renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 8 from %ir.val)
    ST_Fp64m32 %stack.0, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %stack.0)
    renamable $fp0 = LD_Fp32m %stack.0, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %stack.0)
    ST_Fp32m killed renamable $rsi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.ret)
    RET 0

...
---
name:            f7
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$rdi' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0 (%ir-block.0):
    liveins: $rdi

    ; CHECK-LABEL: name: f7
    ; CHECK: liveins: $rdi
    ; CHECK: renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    ; CHECK: renamable $fp0 = SQRT_Fp32 killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw
    ; CHECK: ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    ; CHECK: RET 0
    renamable $fp0 = LD_Fp32m renamable $rdi, 1, $noreg, 0, $noreg, implicit-def dead $fpsw, implicit $fpcw :: (load 4 from %ir.a)
    renamable $fp0 = SQRT_Fp32 killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw
    ST_Fp32m killed renamable $rdi, 1, $noreg, 0, $noreg, killed renamable $fp0, implicit-def dead $fpsw, implicit $fpcw :: (store 4 into %ir.a)
    RET 0

...