# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -run-pass=machine-cse -o - %s | FileCheck %s --- | define void @commute_instruction_subreg_target_flag() { ret void } define void @commute_target_flag_frame_index() { ret void } define void @commute_target_flag_global() { ret void } define void @commute_target_flag_global_offset() { ret void } define void @commute_target_flag_global_offset_mismatch() { ret void } declare void @func() @gv = external addrspace(1) global i32 ... # Make sure the subreg index is cleared when commuting a register and immediate. --- name: commute_instruction_subreg_target_flag tracksRegLiveness: true body: | bb.0: liveins: $vgpr0_vgpr1 ; CHECK-LABEL: name: commute_instruction_subreg_target_flag ; CHECK: liveins: $vgpr0_vgpr1 ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 ; CHECK: [[V_ADD_U32_e64_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e64 [[COPY]].sub1, 64, 0, implicit $exec ; CHECK: S_ENDPGM 0, implicit [[V_ADD_U32_e64_]], implicit [[V_ADD_U32_e64_]] %0:vreg_64 = COPY $vgpr0_vgpr1 %1:vgpr_32 = V_ADD_U32_e64 %0.sub1, 64, 0, implicit $exec %2:vgpr_32 = V_ADD_U32_e64 64, %0.sub1, 0, implicit $exec S_ENDPGM 0, implicit %1, implicit %2 ... # FIXME: Why doesn't this CSE? --- name: commute_target_flag_frame_index tracksRegLiveness: true stack: - { id: 0, type: default, offset: 0, size: 4, alignment: 4 } body: | bb.0: liveins: $vgpr0_vgpr1 ; CHECK-LABEL: name: commute_target_flag_frame_index ; CHECK: liveins: $vgpr0_vgpr1 ; CHECK: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 ; CHECK: [[V_ADD_U32_e64_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e64 %stack.0, [[COPY]].sub0, 0, implicit $exec ; CHECK: S_ENDPGM 0, implicit [[V_ADD_U32_e64_]], implicit [[V_ADD_U32_e64_]] %0:vreg_64 = COPY $vgpr0_vgpr1 %1:vgpr_32 = V_ADD_U32_e64 %0.sub0, %stack.0, 0, implicit $exec %2:vgpr_32 = V_ADD_U32_e64 %stack.0, %0.sub0, 0, implicit $exec S_ENDPGM 0, implicit %1, implicit %2 ... # FIXME: Handle commuting global variables --- name: commute_target_flag_global tracksRegLiveness: true body: | bb.0: liveins: $sgpr0_sgpr1 ; CHECK-LABEL: name: commute_target_flag_global ; CHECK: liveins: $sgpr0_sgpr1 ; CHECK: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 ; CHECK: [[S_ADD_U32_:%[0-9]+]]:sreg_32 = S_ADD_U32 [[COPY]].sub0, target-flags(amdgpu-rel32-lo) @func, implicit-def dead $scc ; CHECK: S_ENDPGM 0, implicit [[S_ADD_U32_]], implicit [[S_ADD_U32_]] %0:sreg_64 = COPY $sgpr0_sgpr1 %1:sreg_32 = S_ADD_U32 %0.sub0, target-flags(amdgpu-rel32-lo) @func, implicit-def dead $scc %2:sreg_32 = S_ADD_U32 target-flags(amdgpu-rel32-lo) @func, %0.sub0, implicit-def dead $scc S_ENDPGM 0, implicit %1, implicit %2 ... --- name: commute_target_flag_global_offset tracksRegLiveness: true body: | bb.0: liveins: $sgpr0_sgpr1 ; CHECK-LABEL: name: commute_target_flag_global_offset ; CHECK: liveins: $sgpr0_sgpr1 ; CHECK: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 ; CHECK: [[S_ADD_U32_:%[0-9]+]]:sreg_32 = S_ADD_U32 [[COPY]].sub0, target-flags(amdgpu-rel32-lo) @gv + 4, implicit-def dead $scc ; CHECK: S_ENDPGM 0, implicit [[S_ADD_U32_]], implicit [[S_ADD_U32_]] %0:sreg_64 = COPY $sgpr0_sgpr1 %1:sreg_32 = S_ADD_U32 %0.sub0, target-flags(amdgpu-rel32-lo) @gv + 4, implicit-def dead $scc %2:sreg_32 = S_ADD_U32 target-flags(amdgpu-rel32-lo) @gv + 4, %0.sub0, implicit-def dead $scc S_ENDPGM 0, implicit %1, implicit %2 ... --- name: commute_target_flag_global_offset_mismatch tracksRegLiveness: true body: | bb.0: liveins: $sgpr0_sgpr1 ; CHECK-LABEL: name: commute_target_flag_global_offset_mismatch ; CHECK: liveins: $sgpr0_sgpr1 ; CHECK: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 ; CHECK: [[S_ADD_U32_:%[0-9]+]]:sreg_32 = S_ADD_U32 [[COPY]].sub0, target-flags(amdgpu-rel32-lo) @gv + 4, implicit-def dead $scc ; CHECK: [[S_ADD_U32_1:%[0-9]+]]:sreg_32 = S_ADD_U32 target-flags(amdgpu-rel32-lo) @gv + 8, [[COPY]].sub0, implicit-def dead $scc ; CHECK: S_ENDPGM 0, implicit [[S_ADD_U32_]], implicit [[S_ADD_U32_1]] %0:sreg_64 = COPY $sgpr0_sgpr1 %1:sreg_32 = S_ADD_U32 %0.sub0, target-flags(amdgpu-rel32-lo) @gv + 4, implicit-def dead $scc %2:sreg_32 = S_ADD_U32 target-flags(amdgpu-rel32-lo) @gv + 8, %0.sub0, implicit-def dead $scc S_ENDPGM 0, implicit %1, implicit %2 ...