diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/isel-whole-wave-functions.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/isel-whole-wave-functions.ll | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/isel-whole-wave-functions.ll b/llvm/test/CodeGen/AMDGPU/isel-whole-wave-functions.ll new file mode 100644 index 0000000..3450d63 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/isel-whole-wave-functions.ll @@ -0,0 +1,191 @@ +; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5 +; RUN: llc -global-isel=0 -mtriple=amdgcn--amdpal -mcpu=gfx1200 -stop-after=finalize-isel < %s | FileCheck --check-prefix=DAGISEL %s +; RUN: llc -global-isel=1 -mtriple=amdgcn--amdpal -mcpu=gfx1200 -stop-after=finalize-isel < %s | FileCheck --check-prefix=GISEL %s + +define amdgpu_gfx_whole_wave i32 @basic_test(i1 %active, i32 %a, i32 %b) { + ; DAGISEL-LABEL: name: basic_test + ; DAGISEL: bb.0 (%ir-block.0): + ; DAGISEL-NEXT: liveins: $vgpr0, $vgpr1 + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; DAGISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; DAGISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32_xm0_xexec = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; DAGISEL-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 5 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, killed [[S_MOV_B32_]], 0, [[COPY1]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; DAGISEL-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 3 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, killed [[S_MOV_B32_1]], 0, [[COPY]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; DAGISEL-NEXT: [[V_MOV_B32_dpp:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_]], killed [[V_CNDMASK_B32_e64_1]], 1, 1, 1, 0, implicit $exec + ; DAGISEL-NEXT: $vgpr0 = COPY [[V_MOV_B32_dpp]] + ; DAGISEL-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN killed [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + ; + ; GISEL-LABEL: name: basic_test + ; GISEL: bb.1 (%ir-block.0): + ; GISEL-NEXT: liveins: $vgpr0, $vgpr1 + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; GISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; GISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32_xm0_xexec = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; GISEL-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 5 + ; GISEL-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY [[S_MOV_B32_]] + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 3 + ; GISEL-NEXT: [[COPY3:%[0-9]+]]:vgpr_32 = COPY [[S_MOV_B32_1]] + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY3]], 0, [[COPY1]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_dpp:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_]], [[V_CNDMASK_B32_e64_1]], 1, 1, 1, 0, implicit $exec + ; GISEL-NEXT: $vgpr0 = COPY [[V_MOV_B32_dpp]] + ; GISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + %x = select i1 %active, i32 %a, i32 5 + %y = select i1 %active, i32 %b, i32 3 + %ret = call i32 @llvm.amdgcn.update.dpp.i32(i32 %x, i32 %y, i32 1, i32 1, i32 1, i1 false) + ret i32 %ret +} + +; Make sure we don't crash if %active is not used at all. +define amdgpu_gfx_whole_wave i32 @unused_active(i1 %active, i32 %a, i32 %b) { + ; DAGISEL-LABEL: name: unused_active + ; DAGISEL: bb.0 (%ir-block.0): + ; DAGISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32 = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; DAGISEL-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 14, implicit $exec + ; DAGISEL-NEXT: $vgpr0 = COPY [[V_MOV_B32_e32_]] + ; DAGISEL-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN killed [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + ; + ; GISEL-LABEL: name: unused_active + ; GISEL: bb.1 (%ir-block.0): + ; GISEL-NEXT: liveins: $vgpr0, $vgpr1 + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32_xm0_xexec = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; GISEL-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 14 + ; GISEL-NEXT: $vgpr0 = COPY [[S_MOV_B32_]] + ; GISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + ret i32 14 +} + +define amdgpu_gfx_whole_wave i32 @multiple_blocks(i1 %active, i32 %a, i32 %b) { + ; DAGISEL-LABEL: name: multiple_blocks + ; DAGISEL: bb.0 (%ir-block.0): + ; DAGISEL-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000) + ; DAGISEL-NEXT: liveins: $vgpr0, $vgpr1 + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; DAGISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; DAGISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32 = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; DAGISEL-NEXT: [[COPY2:%[0-9]+]]:sreg_32 = COPY [[SI_WHOLE_WAVE_FUNC_SETUP]] + ; DAGISEL-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_32 = V_CMP_EQ_U32_e64 [[COPY1]], [[COPY]], implicit $exec + ; DAGISEL-NEXT: [[SI_IF:%[0-9]+]]:sreg_32 = SI_IF killed [[V_CMP_EQ_U32_e64_]], %bb.2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; DAGISEL-NEXT: S_BRANCH %bb.1 + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: bb.1.if.then: + ; DAGISEL-NEXT: successors: %bb.2(0x80000000) + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: [[V_ADD_U32_e64_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e64 [[COPY1]], [[COPY]], 0, implicit $exec + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: bb.2.if.end: + ; DAGISEL-NEXT: [[PHI:%[0-9]+]]:vgpr_32 = PHI [[COPY]], %bb.0, [[V_ADD_U32_e64_]], %bb.1 + ; DAGISEL-NEXT: SI_END_CF [[SI_IF]], implicit-def dead $exec, implicit-def dead $scc, implicit $exec + ; DAGISEL-NEXT: [[COPY3:%[0-9]+]]:sreg_32_xm0_xexec = COPY [[COPY2]] + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[PHI]], 0, [[COPY1]], [[COPY3]], implicit $exec + ; DAGISEL-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_e64_]] + ; DAGISEL-NEXT: [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN killed [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + ; + ; GISEL-LABEL: name: multiple_blocks + ; GISEL: bb.1 (%ir-block.0): + ; GISEL-NEXT: successors: %bb.2(0x40000000), %bb.3(0x40000000) + ; GISEL-NEXT: liveins: $vgpr0, $vgpr1 + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; GISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; GISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32_xm0_xexec = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; GISEL-NEXT: [[V_CMP_EQ_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_EQ_U32_e64 [[COPY]], [[COPY1]], implicit $exec + ; GISEL-NEXT: [[SI_IF:%[0-9]+]]:sreg_32_xm0_xexec = SI_IF [[V_CMP_EQ_U32_e64_]], %bb.3, implicit-def $exec, implicit-def $scc, implicit $exec + ; GISEL-NEXT: S_BRANCH %bb.2 + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: bb.2.if.then: + ; GISEL-NEXT: successors: %bb.3(0x80000000) + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: [[V_ADD_U32_e64_:%[0-9]+]]:vgpr_32 = V_ADD_U32_e64 [[COPY]], [[COPY1]], 0, implicit $exec + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: bb.3.if.end: + ; GISEL-NEXT: [[PHI:%[0-9]+]]:vgpr_32 = PHI [[COPY1]], %bb.1, [[V_ADD_U32_e64_]], %bb.2 + ; GISEL-NEXT: SI_END_CF [[SI_IF]], implicit-def $exec, implicit-def $scc, implicit $exec + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[PHI]], 0, [[COPY]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: $vgpr0 = COPY [[V_CNDMASK_B32_e64_]] + ; GISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0 + %c = icmp eq i32 %a, %b + br i1 %c, label %if.then, label %if.end + +if.then: ; preds = %0 + %d = add i32 %a, %b + br label %if.end + +if.end: + %f = phi i32 [ %d, %if.then ], [ %b, %0 ] + %e = select i1 %active, i32 %a, i32 %f + ret i32 %e +} + +define amdgpu_gfx_whole_wave i64 @ret_64(i1 %active, i64 %a, i64 %b) { + ; DAGISEL-LABEL: name: ret_64 + ; DAGISEL: bb.0 (%ir-block.0): + ; DAGISEL-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3 + ; DAGISEL-NEXT: {{ $}} + ; DAGISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; DAGISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; DAGISEL-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; DAGISEL-NEXT: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; DAGISEL-NEXT: [[DEF:%[0-9]+]]:sgpr_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: [[DEF1:%[0-9]+]]:sgpr_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: [[REG_SEQUENCE:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY1]], %subreg.sub0, [[COPY]], %subreg.sub1 + ; DAGISEL-NEXT: [[DEF2:%[0-9]+]]:sgpr_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: [[DEF3:%[0-9]+]]:sgpr_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: [[REG_SEQUENCE1:%[0-9]+]]:vreg_64 = REG_SEQUENCE [[COPY3]], %subreg.sub0, [[COPY2]], %subreg.sub1 + ; DAGISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32 = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; DAGISEL-NEXT: [[COPY4:%[0-9]+]]:sreg_32_xm0_xexec = COPY [[SI_WHOLE_WAVE_FUNC_SETUP]] + ; DAGISEL-NEXT: [[COPY5:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub1 + ; DAGISEL-NEXT: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[S_MOV_B32_]], 0, killed [[COPY5]], [[COPY4]], implicit $exec + ; DAGISEL-NEXT: [[COPY6:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE1]].sub0 + ; DAGISEL-NEXT: [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 5 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, killed [[S_MOV_B32_1]], 0, killed [[COPY6]], [[COPY4]], implicit $exec + ; DAGISEL-NEXT: [[COPY7:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE]].sub1 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_2:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[S_MOV_B32_]], 0, killed [[COPY7]], [[COPY4]], implicit $exec + ; DAGISEL-NEXT: [[COPY8:%[0-9]+]]:vgpr_32 = COPY [[REG_SEQUENCE]].sub0 + ; DAGISEL-NEXT: [[S_MOV_B32_2:%[0-9]+]]:sreg_32 = S_MOV_B32 3 + ; DAGISEL-NEXT: [[V_CNDMASK_B32_e64_3:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, killed [[S_MOV_B32_2]], 0, killed [[COPY8]], [[COPY4]], implicit $exec + ; DAGISEL-NEXT: [[V_MOV_B32_dpp:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_1]], killed [[V_CNDMASK_B32_e64_3]], 1, 1, 1, 0, implicit $exec + ; DAGISEL-NEXT: [[V_MOV_B32_dpp1:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_]], killed [[V_CNDMASK_B32_e64_2]], 1, 1, 1, 0, implicit $exec + ; DAGISEL-NEXT: $vgpr0 = COPY [[V_MOV_B32_dpp]] + ; DAGISEL-NEXT: $vgpr1 = COPY [[V_MOV_B32_dpp1]] + ; DAGISEL-NEXT: [[DEF4:%[0-9]+]]:sreg_32 = IMPLICIT_DEF + ; DAGISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN killed [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0, implicit $vgpr1 + ; + ; GISEL-LABEL: name: ret_64 + ; GISEL: bb.1 (%ir-block.0): + ; GISEL-NEXT: liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3 + ; GISEL-NEXT: {{ $}} + ; GISEL-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 + ; GISEL-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr1 + ; GISEL-NEXT: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr2 + ; GISEL-NEXT: [[COPY3:%[0-9]+]]:vgpr_32 = COPY $vgpr3 + ; GISEL-NEXT: [[SI_WHOLE_WAVE_FUNC_SETUP:%[0-9]+]]:sreg_32_xm0_xexec = SI_WHOLE_WAVE_FUNC_SETUP implicit-def dead $exec, implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 5, implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_MOV_B32_e32_]], 0, [[COPY]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_MOV_B32_e32_1]], 0, [[COPY1]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_e32_2:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 3, implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_e32_3:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_2:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_MOV_B32_e32_2]], 0, [[COPY2]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[V_CNDMASK_B32_e64_3:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_MOV_B32_e32_3]], 0, [[COPY3]], [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_dpp:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_]], [[V_CNDMASK_B32_e64_2]], 1, 1, 1, 0, implicit $exec + ; GISEL-NEXT: [[V_MOV_B32_dpp1:%[0-9]+]]:vgpr_32 = V_MOV_B32_dpp [[V_CNDMASK_B32_e64_1]], [[V_CNDMASK_B32_e64_3]], 1, 1, 1, 0, implicit $exec + ; GISEL-NEXT: $vgpr0 = COPY [[V_MOV_B32_dpp]] + ; GISEL-NEXT: $vgpr1 = COPY [[V_MOV_B32_dpp1]] + ; GISEL-NEXT: SI_WHOLE_WAVE_FUNC_RETURN [[SI_WHOLE_WAVE_FUNC_SETUP]], implicit $vgpr0, implicit $vgpr1 + %x = select i1 %active, i64 %a, i64 5 + %y = select i1 %active, i64 %b, i64 3 + %ret = call i64 @llvm.amdgcn.update.dpp.i64(i64 %x, i64 %y, i32 1, i32 1, i32 1, i1 false) + ret i64 %ret +} + |