load_4_unaligned.mir 8.56 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=legalizer -mcpu=mips32r6 -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32R6
--- |

  @float_align1 = common global float 0.000000e+00, align 1
  @float_align2 = common global float 0.000000e+00, align 2
  @float_align4 = common global float 0.000000e+00, align 4
  @float_align8 = common global float 0.000000e+00, align 8
  @i32_align1 = common global i32 0, align 1
  @i32_align2 = common global i32 0, align 2
  @i32_align4 = common global i32 0, align 4
  @i32_align8 = common global i32 0, align 8

  define float @load_float_align1() {
  entry:
    %0 = load float, float* @float_align1, align 1
    ret float %0
  }

  define float @load_float_align2() {
  entry:
    %0 = load float, float* @float_align2, align 2
    ret float %0
  }

  define float @load_float_align4() {
  entry:
    %0 = load float, float* @float_align4, align 4
    ret float %0
  }

  define float @load_float_align8() {
  entry:
    %0 = load float, float* @float_align8, align 8
    ret float %0
  }

  define i32 @load_i32_align1() {
  entry:
    %0 = load i32, i32* @i32_align1, align 1
    ret i32 %0
  }

  define i32 @load_i32_align2() {
  entry:
    %0 = load i32, i32* @i32_align2, align 2
    ret i32 %0
  }

  define i32 @load_i32_align4() {
  entry:
    %0 = load i32, i32* @i32_align4, align 4
    ret i32 %0
  }

  define i32 @load_i32_align8() {
  entry:
    %0 = load i32, i32* @i32_align8, align 8
    ret i32 %0
  }

...
---
name:            load_float_align1
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_float_align1
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align1
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align1, align 1)
    ; MIPS32: $f0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $f0
    ; MIPS32R6-LABEL: name: load_float_align1
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align1
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align1, align 1)
    ; MIPS32R6: $f0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $f0
    %1:_(p0) = G_GLOBAL_VALUE @float_align1
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @float_align1, align 1)
    $f0 = COPY %0(s32)
    RetRA implicit $f0

...
---
name:            load_float_align2
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_float_align2
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align2
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align2, align 2)
    ; MIPS32: $f0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $f0
    ; MIPS32R6-LABEL: name: load_float_align2
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align2
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align2, align 2)
    ; MIPS32R6: $f0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $f0
    %1:_(p0) = G_GLOBAL_VALUE @float_align2
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @float_align2, align 2)
    $f0 = COPY %0(s32)
    RetRA implicit $f0

...
---
name:            load_float_align4
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_float_align4
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align4
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align4)
    ; MIPS32: $f0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $f0
    ; MIPS32R6-LABEL: name: load_float_align4
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align4
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align4)
    ; MIPS32R6: $f0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $f0
    %1:_(p0) = G_GLOBAL_VALUE @float_align4
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @float_align4)
    $f0 = COPY %0(s32)
    RetRA implicit $f0

...
---
name:            load_float_align8
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_float_align8
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align8
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align8, align 8)
    ; MIPS32: $f0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $f0
    ; MIPS32R6-LABEL: name: load_float_align8
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @float_align8
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @float_align8, align 8)
    ; MIPS32R6: $f0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $f0
    %1:_(p0) = G_GLOBAL_VALUE @float_align8
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @float_align8, align 8)
    $f0 = COPY %0(s32)
    RetRA implicit $f0

...
---
name:            load_i32_align1
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_i32_align1
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align1
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align1, align 1)
    ; MIPS32: $v0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $v0
    ; MIPS32R6-LABEL: name: load_i32_align1
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align1
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align1, align 1)
    ; MIPS32R6: $v0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $v0
    %1:_(p0) = G_GLOBAL_VALUE @i32_align1
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @i32_align1, align 1)
    $v0 = COPY %0(s32)
    RetRA implicit $v0

...
---
name:            load_i32_align2
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_i32_align2
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align2
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align2, align 2)
    ; MIPS32: $v0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $v0
    ; MIPS32R6-LABEL: name: load_i32_align2
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align2
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align2, align 2)
    ; MIPS32R6: $v0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $v0
    %1:_(p0) = G_GLOBAL_VALUE @i32_align2
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @i32_align2, align 2)
    $v0 = COPY %0(s32)
    RetRA implicit $v0

...
---
name:            load_i32_align4
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_i32_align4
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align4
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align4)
    ; MIPS32: $v0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $v0
    ; MIPS32R6-LABEL: name: load_i32_align4
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align4
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align4)
    ; MIPS32R6: $v0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $v0
    %1:_(p0) = G_GLOBAL_VALUE @i32_align4
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @i32_align4)
    $v0 = COPY %0(s32)
    RetRA implicit $v0

...
---
name:            load_i32_align8
alignment:       4
tracksRegLiveness: true
body:             |
  bb.1.entry:
    ; MIPS32-LABEL: name: load_i32_align8
    ; MIPS32: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align8
    ; MIPS32: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align8, align 8)
    ; MIPS32: $v0 = COPY [[LOAD]](s32)
    ; MIPS32: RetRA implicit $v0
    ; MIPS32R6-LABEL: name: load_i32_align8
    ; MIPS32R6: [[GV:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @i32_align8
    ; MIPS32R6: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[GV]](p0) :: (dereferenceable load 4 from @i32_align8, align 8)
    ; MIPS32R6: $v0 = COPY [[LOAD]](s32)
    ; MIPS32R6: RetRA implicit $v0
    %1:_(p0) = G_GLOBAL_VALUE @i32_align8
    %0:_(s32) = G_LOAD %1(p0) :: (dereferenceable load 4 from @i32_align8, align 8)
    $v0 = COPY %0(s32)
    RetRA implicit $v0

...