| ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx908 -stop-after=greedy,1 -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s |
| ; Convert AV spills into VGPR spills by introducing appropriate copies in between. |
| |
| define amdgpu_kernel void @test_spill_av_class(<4 x i32> %arg) #0 { |
| ; GCN-LABEL: name: test_spill_av_class |
| ; GCN: bb.0 (%ir-block.0): |
| ; GCN-NEXT: liveins: $sgpr8_sgpr9 |
| ; GCN-NEXT: {{ $}} |
| ; GCN-NEXT: renamable $sgpr0_sgpr1_sgpr2_sgpr3 = S_LOAD_DWORDX4_IMM killed renamable $sgpr8_sgpr9, 0, 0 :: (dereferenceable invariant load (s128) from %ir.arg.kernarg.offset1, addrspace 4) |
| ; GCN-NEXT: [[COPY:%[0-9]+]]:areg_128 = COPY killed renamable $sgpr0_sgpr1_sgpr2_sgpr3 |
| ; GCN-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 1, implicit $exec |
| ; GCN-NEXT: [[V_MOV_B32_e32_1:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 2, implicit $exec |
| ; GCN-NEXT: [[V_MFMA_I32_4X4X4I8_e64_:%[0-9]+]]:areg_128 = V_MFMA_I32_4X4X4I8_e64 [[V_MOV_B32_e32_]], [[V_MOV_B32_e32_1]], [[COPY]], 0, 0, 0, implicit $mode, implicit $exec |
| ; GCN-NEXT: INLINEASM &"; def $0", 1 /* sideeffect attdialect */, 2228234 /* regdef:VGPR_32 */, def undef %13.sub0 |
| ; GCN-NEXT: [[COPY1:%[0-9]+]]:vreg_128 = COPY [[V_MFMA_I32_4X4X4I8_e64_]] |
| ; GCN-NEXT: GLOBAL_STORE_DWORDX4 undef %23:vreg_64, [[COPY1]], 0, 0, implicit $exec :: (volatile store (s128) into `ptr addrspace(1) undef`, addrspace 1) |
| ; GCN-NEXT: INLINEASM &"; use $0", 1 /* sideeffect attdialect */, 3538953 /* reguse:VReg_64 */, %13 |
| ; GCN-NEXT: S_ENDPGM 0 |
| %v0 = call i32 asm sideeffect "; def $0", "=v"() |
| %tmp = insertelement <2 x i32> undef, i32 %v0, i32 0 |
| %mai = tail call <4 x i32> @llvm.amdgcn.mfma.i32.4x4x4i8(i32 1, i32 2, <4 x i32> %arg, i32 0, i32 0, i32 0) |
| store volatile <4 x i32> %mai, ptr addrspace(1) undef |
| call void asm sideeffect "; use $0", "v"(<2 x i32> %tmp); |
| ret void |
| } |
| |
| declare <4 x i32> @llvm.amdgcn.mfma.i32.4x4x4i8(i32, i32, <4 x i32>, i32, i32, i32) |
| |
| attributes #0 = { nounwind "amdgpu-num-vgpr"="5" } |