legalize-flog.mir 5.23 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer %s -o - | FileCheck %s

---
name: test_flog_s32
body: |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_flog_s32
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[COPY]]
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_]], [[C]]
    ; CHECK: $vgpr0 = COPY [[FMUL]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = G_FLOG %0
    $vgpr0 = COPY %1
...

---
name: test_flog_s32_flags
body: |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_flog_s32_flags
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = nnan G_FLOG2 [[COPY]]
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = nnan G_FMUL [[FLOG2_]], [[C]]
    ; CHECK: $vgpr0 = COPY [[FMUL]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = nnan G_FLOG %0
    $vgpr0 = COPY %1
...

---
name: test_flog_v2s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1

    ; CHECK-LABEL: name: test_flog_v2s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<2 x s32>)
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[UV]]
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_]], [[C]]
    ; CHECK: [[FLOG2_1:%[0-9]+]]:_(s32) = G_FLOG2 [[UV1]]
    ; CHECK: [[FMUL1:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_1]], [[C]]
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[FMUL]](s32), [[FMUL1]](s32)
    ; CHECK: $vgpr0_vgpr1 = COPY [[BUILD_VECTOR]](<2 x s32>)
    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
    %1:_(<2 x s32>) = G_FLOG %0
    $vgpr0_vgpr1 = COPY %1
...

---
name: test_flog_v3s32
body: |
  bb.0:
    liveins: $vgpr0_vgpr1_vgpr2

    ; CHECK-LABEL: name: test_flog_v3s32
    ; CHECK: [[COPY:%[0-9]+]]:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    ; CHECK: [[UV:%[0-9]+]]:_(s32), [[UV1:%[0-9]+]]:_(s32), [[UV2:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[COPY]](<3 x s32>)
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[UV]]
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_]], [[C]]
    ; CHECK: [[FLOG2_1:%[0-9]+]]:_(s32) = G_FLOG2 [[UV1]]
    ; CHECK: [[FMUL1:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_1]], [[C]]
    ; CHECK: [[FLOG2_2:%[0-9]+]]:_(s32) = G_FLOG2 [[UV2]]
    ; CHECK: [[FMUL2:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_2]], [[C]]
    ; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<3 x s32>) = G_BUILD_VECTOR [[FMUL]](s32), [[FMUL1]](s32), [[FMUL2]](s32)
    ; CHECK: $vgpr0_vgpr1_vgpr2 = COPY [[BUILD_VECTOR]](<3 x s32>)
    %0:_(<3 x s32>) = COPY $vgpr0_vgpr1_vgpr2
    %1:_(<3 x  s32>) = G_FLOG %0
    $vgpr0_vgpr1_vgpr2 = COPY %1
...

---
name: test_flog_s16
body: |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_flog_s16
    ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32)
    ; CHECK: [[FPEXT:%[0-9]+]]:_(s32) = G_FPEXT [[TRUNC]](s16)
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[FPEXT]]
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_]], [[C]]
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(s16) = G_FPTRUNC [[FMUL]](s32)
    ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[FPTRUNC]](s16)
    ; CHECK: $vgpr0 = COPY [[ANYEXT]](s32)
    %0:_(s32) = COPY $vgpr0
    %1:_(s16) = G_TRUNC %0
    %2:_(s16) = G_FLOG %1
    %3:_(s32) = G_ANYEXT %2
    $vgpr0 = COPY %3

...

---
name: test_flog_v2s16
body: |
  bb.0:
    liveins: $vgpr0

    ; CHECK-LABEL: name: test_flog_v2s16
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
    ; CHECK: [[BITCAST:%[0-9]+]]:_(s32) = G_BITCAST [[COPY]](<2 x s16>)
    ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[BITCAST]](s32)
    ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
    ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BITCAST]], [[C]](s32)
    ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[LSHR]](s32)
    ; CHECK: [[FPEXT:%[0-9]+]]:_(s32) = G_FPEXT [[TRUNC]](s16)
    ; CHECK: [[FLOG2_:%[0-9]+]]:_(s32) = G_FLOG2 [[FPEXT]]
    ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 0x3FE62E4300000000
    ; CHECK: [[FMUL:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_]], [[C1]]
    ; CHECK: [[FPTRUNC:%[0-9]+]]:_(s16) = G_FPTRUNC [[FMUL]](s32)
    ; CHECK: [[FPEXT1:%[0-9]+]]:_(s32) = G_FPEXT [[TRUNC1]](s16)
    ; CHECK: [[FLOG2_1:%[0-9]+]]:_(s32) = G_FLOG2 [[FPEXT1]]
    ; CHECK: [[FMUL1:%[0-9]+]]:_(s32) = G_FMUL [[FLOG2_1]], [[C1]]
    ; CHECK: [[FPTRUNC1:%[0-9]+]]:_(s16) = G_FPTRUNC [[FMUL1]](s32)
    ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[FPTRUNC]](s16)
    ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[FPTRUNC1]](s16)
    ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[ZEXT1]], [[C]](s32)
    ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[ZEXT]], [[SHL]]
    ; CHECK: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[OR]](s32)
    ; CHECK: $vgpr0 = COPY [[BITCAST1]](<2 x s16>)
    %0:_(<2 x s16>) = COPY $vgpr0
    %1:_(<2 x s16>) = G_FLOG %0
    $vgpr0 = COPY %1

...