| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -run-pass=amdgpu-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s |
| |
| --- |
| name: remove_and_255_zextload |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| ; CHECK-LABEL: name: remove_and_255_zextload |
| ; CHECK: liveins: $vgpr0_vgpr1 |
| ; CHECK: %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %load:_(s32) = G_ZEXTLOAD %ptr(p1) :: (load 1, addrspace 1) |
| ; CHECK: $vgpr0 = COPY %load(s32) |
| %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| %load:_(s32) = G_ZEXTLOAD %ptr :: (load 1, addrspace 1, align 1) |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %load, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_255_smin_zextload |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_smin_zextload |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1) |
| ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1 |
| ; CHECK: $vgpr0 = COPY %smin(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1) |
| %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1) |
| %smin:_(s32) = G_SMIN %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %smin, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_255_smax_zextload |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_smax_zextload |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1) |
| ; CHECK: %smax:_(s32) = G_SMAX %load0, %load1 |
| ; CHECK: $vgpr0 = COPY %smax(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1) |
| %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1) |
| %smax:_(s32) = G_SMAX %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %smax, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_255_umin_zextload |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_umin_zextload |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1) |
| ; CHECK: %umin:_(s32) = G_UMIN %load0, %load1 |
| ; CHECK: $vgpr0 = COPY %umin(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1) |
| %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1) |
| %umin:_(s32) = G_UMIN %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %umin, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_255_umax_zextload |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_umax_zextload |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1) |
| ; CHECK: %umax:_(s32) = G_UMAX %load0, %load1 |
| ; CHECK: $vgpr0 = COPY %umax(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1) |
| %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1) |
| %umax:_(s32) = G_UMAX %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %umax, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| # Don't have enough known bits for lhs |
| --- |
| name: remove_and_255_smin_fail_lhs |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_smin_fail_lhs |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_LOAD %ptr0(p1) :: (load 4, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_ZEXTLOAD %ptr1(p1) :: (load 1, addrspace 1) |
| ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1 |
| ; CHECK: %mask:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: %and:_(s32) = G_AND %smin, %mask |
| ; CHECK: $vgpr0 = COPY %and(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_LOAD %ptr0 :: (load 4, addrspace 1, align 4) |
| %load1:_(s32) = G_ZEXTLOAD %ptr1 :: (load 1, addrspace 1, align 1) |
| %smin:_(s32) = G_SMIN %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %smin, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| # Don't have enough known bits for rhs |
| --- |
| name: remove_and_255_smin_fail_rhs |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK-LABEL: name: remove_and_255_smin_fail_rhs |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3 |
| ; CHECK: %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| ; CHECK: %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| ; CHECK: %load0:_(s32) = G_ZEXTLOAD %ptr0(p1) :: (load 1, addrspace 1) |
| ; CHECK: %load1:_(s32) = G_LOAD %ptr1(p1) :: (load 4, addrspace 1) |
| ; CHECK: %smin:_(s32) = G_SMIN %load0, %load1 |
| ; CHECK: %mask:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: %and:_(s32) = G_AND %smin, %mask |
| ; CHECK: $vgpr0 = COPY %and(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %load0:_(s32) = G_ZEXTLOAD %ptr0 :: (load 1, addrspace 1, align 1) |
| %load1:_(s32) = G_LOAD %ptr1 :: (load 4, addrspace 1, align 4) |
| %smin:_(s32) = G_SMIN %load0, %load1 |
| %mask:_(s32) = G_CONSTANT i32 255 |
| %and:_(s32) = G_AND %smin, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| # Test known bits for groupstaticsize is the maximum LDS size. |
| --- |
| name: remove_and_65535_groupstaticsize |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| ; CHECK-LABEL: name: remove_and_65535_groupstaticsize |
| ; CHECK: liveins: $vgpr0_vgpr1 |
| ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| ; CHECK: %mask:_(s32) = G_CONSTANT i32 65535 |
| ; CHECK: %and:_(s32) = G_AND %lds_size, %mask |
| ; CHECK: $vgpr0 = COPY %and(s32) |
| %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| %mask:_(s32) = G_CONSTANT i32 65535 |
| %and:_(s32) = G_AND %lds_size, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_131071_groupstaticsize |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| ; CHECK-LABEL: name: remove_and_131071_groupstaticsize |
| ; CHECK: liveins: $vgpr0_vgpr1 |
| ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| ; CHECK: $vgpr0 = COPY %lds_size(s32) |
| %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| %mask:_(s32) = G_CONSTANT i32 131071 |
| %and:_(s32) = G_AND %lds_size, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: no_remove_and_65536_groupstaticsize |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| ; CHECK-LABEL: name: no_remove_and_65536_groupstaticsize |
| ; CHECK: liveins: $vgpr0_vgpr1 |
| ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| ; CHECK: %mask:_(s32) = G_CONSTANT i32 65536 |
| ; CHECK: %and:_(s32) = G_AND %lds_size, %mask |
| ; CHECK: $vgpr0 = COPY %and(s32) |
| %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| %mask:_(s32) = G_CONSTANT i32 65536 |
| %and:_(s32) = G_AND %lds_size, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: no_remove_and_32767_groupstaticsize |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1 |
| ; CHECK-LABEL: name: no_remove_and_32767_groupstaticsize |
| ; CHECK: liveins: $vgpr0_vgpr1 |
| ; CHECK: %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| ; CHECK: %mask:_(s32) = G_CONSTANT i32 32767 |
| ; CHECK: %and:_(s32) = G_AND %lds_size, %mask |
| ; CHECK: $vgpr0 = COPY %and(s32) |
| %ptr:_(p1) = COPY $vgpr0_vgpr1 |
| %lds_size:_(s32) = G_INTRINSIC intrinsic(@llvm.amdgcn.groupstaticsize) |
| %mask:_(s32) = G_CONSTANT i32 32767 |
| %and:_(s32) = G_AND %lds_size, %mask |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| # We can conclude the number of bits based only on one operand |
| --- |
| name: remove_and_umin_lhs_only |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4 |
| |
| ; CHECK-LABEL: name: remove_and_umin_lhs_only |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4 |
| ; CHECK: %val:_(s32) = COPY $vgpr4 |
| ; CHECK: %k255:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: %umin0:_(s32) = G_UMIN %val, %k255 |
| ; CHECK: $vgpr0 = COPY %umin0(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %val:_(s32) = COPY $vgpr4 |
| %k255:_(s32) = G_CONSTANT i32 255 |
| %umin0:_(s32) = G_UMIN %val, %k255 |
| %and:_(s32) = G_AND %umin0, %k255 |
| $vgpr0 = COPY %and |
| |
| ... |
| |
| --- |
| name: remove_and_umin_rhs_only |
| legalized: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4 |
| |
| ; CHECK-LABEL: name: remove_and_umin_rhs_only |
| ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4 |
| ; CHECK: %val:_(s32) = COPY $vgpr4 |
| ; CHECK: %k255:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: %umin0:_(s32) = G_UMIN %k255, %val |
| ; CHECK: $vgpr0 = COPY %umin0(s32) |
| %ptr0:_(p1) = COPY $vgpr0_vgpr1 |
| %ptr1:_(p1) = COPY $vgpr2_vgpr3 |
| %val:_(s32) = COPY $vgpr4 |
| %k255:_(s32) = G_CONSTANT i32 255 |
| %umin0:_(s32) = G_UMIN %k255, %val |
| %and:_(s32) = G_AND %umin0, %k255 |
| $vgpr0 = COPY %and |
| |
| ... |
