llvm-project/llvm/test/CodeGen/MIR/X86/constant-pool.mir

# RUN: llc -march=x86-64 -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
# This test ensures that the MIR parser parses constant pool constants and
# constant pool operands correctly.

--- |

  define double @test(double %a, float %b) {
  entry:
    %c = fadd double %a, 3.250000e+00
    %d = fadd float %b, 6.250000e+00
    %e = fpext float %d to double
    %f = fmul double %c, %e
    ret double %f
  }

  define double @test2(double %a, float %b) {
  entry:
    %c = fadd double %a, 3.250000e+00
    %d = fadd float %b, 6.250000e+00
    %e = fpext float %d to double
    %f = fmul double %c, %e
    ret double %f
  }

  define double @test3(double %a, float %b) {
  entry:
    %c = fadd double %a, 3.250000e+00
    %d = fadd float %b, 6.250000e+00
    %e = fpext float %d to double
    %f = fmul double %c, %e
    ret double %f
  }

  define double @test4(double %a, float %b) {
  entry:
    %c = fadd double %a, 3.250000e+00
    %d = fadd float %b, 6.250000e+00
    %e = fpext float %d to double
    %f = fmul double %c, %e
    ret double %f
  }
...
---
# CHECK: name: test
# CHECK: constants:
# CHECK-NEXT: - id: 0
# CHECK-NEXT:   value: 'double 3.250000e+00'
# CHECK-NEXT:   alignment: 8
# CHECK-NEXT: - id: 1
# CHECK-NEXT:   value: 'float 6.250000e+00'
# CHECK-NEXT:   alignment: 4
name:            test
constants:
  - id:          0
    value:       'double 3.250000e+00'
    alignment:   8
  - id:          1
    value:       'float 6.250000e+00'
    alignment:   4
body:
  - id: 0
    name: entry
    instructions:
      # CHECK:      %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _
      # CHECK-NEXT: %xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.1, _
      - '%xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _'
      - '%xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.1, _'
      - '%xmm1 = CVTSS2SDrr killed %xmm1'
      - '%xmm0 = MULSDrr killed %xmm0, killed %xmm1'
      - 'RETQ %xmm0'
...
---
# Verify that alignment can be inferred:
# CHECK: name: test2
# CHECK: constants:
# CHECK-NEXT: - id: 0
# CHECK-NEXT:   value: 'double 3.250000e+00'
# CHECK-NEXT:   alignment: 8
# CHECK-NEXT: - id: 1
# CHECK-NEXT:   value: 'float 6.250000e+00'
# CHECK-NEXT:   alignment: 4
name:            test2
constants:
  - id:          0
    value:       'double 3.250000e+00'
  - id:          1
    value:       'float 6.250000e+00'
body:
  - id: 0
    name: entry
    instructions:
      - '%xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _'
      - '%xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.1, _'
      - '%xmm1 = CVTSS2SDrr killed %xmm1'
      - '%xmm0 = MULSDrr killed %xmm0, killed %xmm1'
      - 'RETQ %xmm0'
...
---
# Verify that the non-standard alignments are respected:
# CHECK: name: test3
# CHECK: constants:
# CHECK-NEXT: - id: 0
# CHECK-NEXT:   value: 'double 3.250000e+00'
# CHECK-NEXT:   alignment: 128
# CHECK-NEXT: - id: 1
# CHECK-NEXT:   value: 'float 6.250000e+00'
# CHECK-NEXT:   alignment: 1
name:            test3
constants:
  - id:          0
    value:       'double 3.250000e+00'
    alignment:   128
  - id:          1
    value:       'float 6.250000e+00'
    alignment:   1
body:
  - id: 0
    name: entry
    instructions:
      # CHECK:      %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _
      # CHECK-NEXT: %xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.1, _
      - '%xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.0, _'
      - '%xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.1, _'
      - '%xmm1 = CVTSS2SDrr killed %xmm1'
      - '%xmm0 = MULSDrr killed %xmm0, killed %xmm1'
      - 'RETQ %xmm0'
...
---
# CHECK:  name:  test4
name:            test4
constants:
  - id:          0
    value:       'double 3.250000e+00'
  - id:          1
    value:       'float 6.250000e+00'
body:
  - id: 0
    name: entry
    instructions:
      # CHECK:      %xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.1 - 12, _
      # CHECK-NEXT: %xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.0 + 8, _
      - '%xmm0 = ADDSDrm killed %xmm0, %rip, 1, _, %const.1 - 12, _'
      - '%xmm1 = ADDSSrm killed %xmm1, %rip, 1, _, %const.0 + 8, _'
      - '%xmm1 = CVTSS2SDrr killed %xmm1'
      - '%xmm0 = MULSDrr killed %xmm0, killed %xmm1'
      - 'RETQ %xmm0'
...