17bc959961
This adds the ability to use the GCNRPTrackers during scheduling. These trackers have several advantages over the generic trackers: 1. global live-thru trackers, 2. subregister based RP deltas, and 3. flexible vreg -> PressureSet mappings. This feature is off-by-default to ease with the roll-out process. In particular, when using the optional trackers, the scheduler will still maintain the generic trackers leading to unnecessary compile time.
119 lines
6.9 KiB
YAML
119 lines
6.9 KiB
YAML
# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx900 -amdgpu-disable-unclustered-high-rp-reschedule -verify-misched -start-before=machine-scheduler -stop-after=virtregrewriter,2 -o - %s | FileCheck -check-prefix=GCN %s
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# RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx900 -amdgpu-disable-unclustered-high-rp-reschedule -amdgpu-use-amdgpu-trackers=1 -verify-misched -start-before=machine-scheduler -stop-after=virtregrewriter,2 -o - %s | FileCheck -check-prefix=GCN-GCNTRACKER %s
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# Check that %3 was not rematerialized before the last store since its operand %1
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# is killed by that store.
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# GCN-LABEL: name: global_sextload_v32i32_to_v32i64
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# GCN: renamable $vgpr33_vgpr34_vgpr35_vgpr36 = SI_SPILL_V128_RESTORE %stack.0, $sgpr32, 0, implicit $exec :: (load (s128) from %stack.0, align 4, addrspace 5)
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# GCN: GLOBAL_STORE_DWORDX4_SADDR killed renamable $vgpr47, killed renamable $vgpr29_vgpr30_vgpr31_vgpr32, killed renamable $sgpr0_sgpr1, 16, 0, implicit $exec, implicit killed renamable $vgpr46
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# GCN-GCNTRACKER-LABEL: name: global_sextload_v32i32_to_v32i64
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# GCN-GCNTRACKER-NOT: SI_SPILL
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---
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name: global_sextload_v32i32_to_v32i64
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tracksRegLiveness: true
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machineFunctionInfo:
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scratchRSrcReg: '$sgpr96_sgpr97_sgpr98_sgpr99'
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stackPtrOffsetReg: '$sgpr32'
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body: |
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bb.0:
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liveins: $sgpr4_sgpr5
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%0:sgpr_64(p4) = COPY $sgpr4_sgpr5
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%1:vgpr_32 = COPY $m0
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%2:sgpr_128 = S_LOAD_DWORDX4_IMM %0(p4), 0, 0
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%3:vgpr_32 = V_MOV_B32_e32 %1, implicit $exec
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%4:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 112, 0, implicit $exec :: (load (s128))
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%5:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 96, 0, implicit $exec, implicit %1 :: (load (s128))
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%6:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 80, 0, implicit $exec :: (load (s128))
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%7:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 64, 0, implicit $exec :: (load (s128))
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%8:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 48, 0, implicit $exec :: (load (s128))
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%9:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 32, 0, implicit $exec :: (load (s128))
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%10:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 16, 0, implicit $exec :: (load (s128))
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%11:vreg_128 = GLOBAL_LOAD_DWORDX4_SADDR %2.sub2_sub3, %3, 0, 0, implicit $exec :: (load (s128))
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undef %12.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %11.sub3, implicit $exec
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%12.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %11.sub2, implicit $exec
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undef %13.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %11.sub1, implicit $exec
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%13.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %11.sub0, implicit $exec
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undef %14.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %10.sub3, implicit $exec
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%14.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %10.sub2, implicit $exec
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undef %15.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %10.sub1, implicit $exec
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%15.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %10.sub0, implicit $exec
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undef %16.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %9.sub3, implicit $exec
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%16.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %9.sub2, implicit $exec
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undef %17.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %9.sub1, implicit $exec
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%17.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %9.sub0, implicit $exec
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undef %18.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %8.sub3, implicit $exec
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%18.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %8.sub2, implicit $exec
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undef %19.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %8.sub1, implicit $exec
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%19.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %8.sub0, implicit $exec
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undef %20.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %7.sub3, implicit $exec
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%20.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %7.sub2, implicit $exec
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undef %21.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %7.sub1, implicit $exec
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%21.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %7.sub0, implicit $exec
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undef %22.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %6.sub3, implicit $exec
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%22.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %6.sub2, implicit $exec
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undef %23.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %6.sub1, implicit $exec
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%23.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %6.sub0, implicit $exec
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undef %24.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %5.sub3, implicit $exec
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%24.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %5.sub2, implicit $exec
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undef %25.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %5.sub1, implicit $exec
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%25.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %5.sub0, implicit $exec
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undef %26.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %4.sub3, implicit $exec
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%26.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %4.sub2, implicit $exec
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undef %27.sub3:vreg_128 = V_ASHRREV_I32_e32 31, %4.sub1, implicit $exec
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%27.sub1:vreg_128 = V_ASHRREV_I32_e32 31, %4.sub0, implicit $exec
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%27.sub0:vreg_128 = COPY %4.sub0
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%27.sub2:vreg_128 = COPY %4.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %27, %2.sub0_sub1, 224, 0, implicit $exec
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%26.sub0:vreg_128 = COPY %4.sub2
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%26.sub2:vreg_128 = COPY %4.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %26, %2.sub0_sub1, 240, 0, implicit $exec
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%25.sub0:vreg_128 = COPY %5.sub0
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%25.sub2:vreg_128 = COPY %5.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %25, %2.sub0_sub1, 192, 0, implicit $exec
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%24.sub0:vreg_128 = COPY %5.sub2
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%24.sub2:vreg_128 = COPY %5.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %24, %2.sub0_sub1, 208, 0, implicit $exec
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%23.sub0:vreg_128 = COPY %6.sub0
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%23.sub2:vreg_128 = COPY %6.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %23, %2.sub0_sub1, 160, 0, implicit $exec
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%22.sub0:vreg_128 = COPY %6.sub2
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%22.sub2:vreg_128 = COPY %6.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %22, %2.sub0_sub1, 176, 0, implicit $exec
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%21.sub0:vreg_128 = COPY %7.sub0
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%21.sub2:vreg_128 = COPY %7.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %21, %2.sub0_sub1, 128, 0, implicit $exec
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%20.sub0:vreg_128 = COPY %7.sub2
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%20.sub2:vreg_128 = COPY %7.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %20, %2.sub0_sub1, 144, 0, implicit $exec
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%19.sub0:vreg_128 = COPY %8.sub0
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%19.sub2:vreg_128 = COPY %8.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %19, %2.sub0_sub1, 96, 0, implicit $exec
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%18.sub0:vreg_128 = COPY %8.sub2
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%18.sub2:vreg_128 = COPY %8.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %18, %2.sub0_sub1, 112, 0, implicit $exec
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%17.sub0:vreg_128 = COPY %9.sub0
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%17.sub2:vreg_128 = COPY %9.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %17, %2.sub0_sub1, 64, 0, implicit $exec
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%16.sub0:vreg_128 = COPY %9.sub2
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%16.sub2:vreg_128 = COPY %9.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %16, %2.sub0_sub1, 80, 0, implicit $exec
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%15.sub0:vreg_128 = COPY %10.sub0
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%15.sub2:vreg_128 = COPY %10.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %15, %2.sub0_sub1, 32, 0, implicit $exec
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%14.sub0:vreg_128 = COPY %10.sub2
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%14.sub2:vreg_128 = COPY %10.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %14, %2.sub0_sub1, 48, 0, implicit $exec
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%13.sub0:vreg_128 = COPY %11.sub0
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%13.sub2:vreg_128 = COPY %11.sub1
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GLOBAL_STORE_DWORDX4_SADDR %3, %13, %2.sub0_sub1, 0, 0, implicit $exec
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%12.sub0:vreg_128 = COPY %11.sub2
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%12.sub2:vreg_128 = COPY %11.sub3
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GLOBAL_STORE_DWORDX4_SADDR %3, %12, %2.sub0_sub1, 16, 0, implicit $exec, implicit killed %1
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S_ENDPGM 0
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...
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