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llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/regbankselect-usube.mir

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AMDGPU/GlobalISel: RegBankSelect for carry-in I'm not sure we should be allowing the truncate to s1 for the inputs. It may be necessary to create a new VCC reg bank. llvm-svn: 350592
2019-01-08 09:09:09 +08:00
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-fast | FileCheck -check-prefix=FAST %s
# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect %s -verify-machineinstrs -o - -regbankselect-greedy | FileCheck -check-prefix=GREEDY %s
---
name: usube_s32_sss
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1, $sgpr2
; FAST-LABEL: name: usube_s32_sss
; FAST: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; FAST: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; FAST: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
; FAST: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i64 0
; FAST: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; FAST: [[USUBE:%[0-9]+]]:sgpr(s32), [[USUBE1:%[0-9]+]]:scc(s1) = G_USUBE [[COPY]], [[COPY1]], [[ICMP]]
; GREEDY-LABEL: name: usube_s32_sss
; GREEDY: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GREEDY: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GREEDY: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
; GREEDY: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i64 0
; GREEDY: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; GREEDY: [[USUBE:%[0-9]+]]:sgpr(s32), [[USUBE1:%[0-9]+]]:scc(s1) = G_USUBE [[COPY]], [[COPY1]], [[ICMP]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = COPY $sgpr2
%3:_(s32) = G_CONSTANT i64 0
%4:_(s1) = G_ICMP intpred(eq), %2, %3
%5:_(s32), %6:_(s1) = G_USUBE %0, %1, %4
...
---
name: usube_s32_vss
legalized: true
body: |
bb.0:
liveins: $vgpr0, $sgpr0, $sgpr1
; FAST-LABEL: name: usube_s32_vss
; FAST: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; FAST: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; FAST: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; FAST: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i64 0
; FAST: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; FAST: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; FAST: [[COPY4:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
; FAST: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY]], [[COPY3]], [[COPY4]]
; GREEDY-LABEL: name: usube_s32_vss
; GREEDY: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GREEDY: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GREEDY: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GREEDY: [[C:%[0-9]+]]:sgpr(s32) = G_CONSTANT i64 0
; GREEDY: [[ICMP:%[0-9]+]]:scc(s1) = G_ICMP intpred(eq), [[COPY2]](s32), [[C]]
; GREEDY: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GREEDY: [[COPY4:%[0-9]+]]:sgpr(s1) = COPY [[ICMP]](s1)
; GREEDY: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY]], [[COPY3]], [[COPY4]]
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $sgpr0
%2:_(s32) = COPY $sgpr1
%3:_(s32) = G_CONSTANT i64 0
%4:_(s1) = G_ICMP intpred(eq), %2, %3
%5:_(s32), %6:_(s1) = G_USUBE %0, %1, %4
...
---
name: usube_s32_ssv
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1, $vgpr0
; FAST-LABEL: name: usube_s32_ssv
; FAST: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; FAST: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; FAST: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; FAST: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY2]](s32)
; FAST: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; FAST: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; FAST: [[COPY5:%[0-9]+]]:sgpr(s1) = COPY [[TRUNC]](s1)
; FAST: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY3]], [[COPY4]], [[COPY5]]
; GREEDY-LABEL: name: usube_s32_ssv
; GREEDY: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GREEDY: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GREEDY: [[COPY2:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GREEDY: [[TRUNC:%[0-9]+]]:vgpr(s1) = G_TRUNC [[COPY2]](s32)
AMDGPU/GlobalISel: Disallow VGPR->SCC copies This fixes using scalar adds when only the carry in is a VGPR using greedy regbankselect. llvm-svn: 350593
2019-01-08 09:13:20 +08:00
; GREEDY: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GREEDY: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GREEDY: [[COPY5:%[0-9]+]]:sgpr(s1) = COPY [[TRUNC]](s1)
; GREEDY: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY3]], [[COPY4]], [[COPY5]]
AMDGPU/GlobalISel: RegBankSelect for carry-in I'm not sure we should be allowing the truncate to s1 for the inputs. It may be necessary to create a new VCC reg bank. llvm-svn: 350592
2019-01-08 09:09:09 +08:00
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = COPY $vgpr0
%3:_(s1) = G_TRUNC %2
%4:_(s32), %5:_(s1) = G_USUBE %0, %1, %3
...
---
name: usube_s32_vvs
legalized: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $sgpr0
; FAST-LABEL: name: usube_s32_vvs
; FAST: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; FAST: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; FAST: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; FAST: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY2]](s32)
; FAST: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY]], [[COPY1]], [[TRUNC]]
; GREEDY-LABEL: name: usube_s32_vvs
; GREEDY: [[COPY:%[0-9]+]]:vgpr(s32) = COPY $vgpr0
; GREEDY: [[COPY1:%[0-9]+]]:vgpr(s32) = COPY $vgpr1
; GREEDY: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GREEDY: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY2]](s32)
; GREEDY: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY]], [[COPY1]], [[TRUNC]]
%0:_(s32) = COPY $vgpr0
%1:_(s32) = COPY $vgpr1
%2:_(s32) = COPY $sgpr0
%3:_(s1) = G_TRUNC %2
%4:_(s32), %5:_(s1) = G_USUBE %0, %1, %3
...
---
name: usube_s32_sss_noscc
legalized: true
body: |
bb.0:
liveins: $sgpr0, $sgpr1, $sgpr2
; FAST-LABEL: name: usube_s32_sss_noscc
; FAST: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; FAST: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; FAST: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
; FAST: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY2]](s32)
; FAST: [[COPY3:%[0-9]+]]:scc(s1) = COPY [[TRUNC]](s1)
; FAST: [[USUBE:%[0-9]+]]:sgpr(s32), [[USUBE1:%[0-9]+]]:scc(s1) = G_USUBE [[COPY]], [[COPY1]], [[COPY3]]
; GREEDY-LABEL: name: usube_s32_sss_noscc
; GREEDY: [[COPY:%[0-9]+]]:sgpr(s32) = COPY $sgpr0
; GREEDY: [[COPY1:%[0-9]+]]:sgpr(s32) = COPY $sgpr1
; GREEDY: [[COPY2:%[0-9]+]]:sgpr(s32) = COPY $sgpr2
; GREEDY: [[TRUNC:%[0-9]+]]:sgpr(s1) = G_TRUNC [[COPY2]](s32)
; GREEDY: [[COPY3:%[0-9]+]]:vgpr(s32) = COPY [[COPY]](s32)
; GREEDY: [[COPY4:%[0-9]+]]:vgpr(s32) = COPY [[COPY1]](s32)
; GREEDY: [[USUBE:%[0-9]+]]:vgpr(s32), [[USUBE1:%[0-9]+]]:sgpr(s1) = G_USUBE [[COPY3]], [[COPY4]], [[TRUNC]]
%0:_(s32) = COPY $sgpr0
%1:_(s32) = COPY $sgpr1
%2:_(s32) = COPY $sgpr2
%3:_(s1) = G_TRUNC %2
%4:_(s32), %5:_(s1) = G_USUBE %0, %1, %3
...