derek.holloway
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72 lines
3.0 KiB
YAML
72 lines
3.0 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
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# RUN: llc -mtriple=amdgcn -run-pass register-coalescer -o - %s | FileCheck %s
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# Check that coalescer may create wider register tuple than in source.
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---
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name: no_limit_coalesce
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $sgpr16, $sgpr17
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; CHECK-LABEL: name: no_limit_coalesce
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; CHECK: liveins: $sgpr16, $sgpr17
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: undef [[COPY:%[0-9]+]].sub1:sgpr_64 = COPY $sgpr17
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; CHECK-NEXT: [[COPY:%[0-9]+]].sub0:sgpr_64 = COPY $sgpr16
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; CHECK-NEXT: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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; CHECK-NEXT: INLINEASM &"; def $0", attdialect, regdef:VReg_64, def undef %5.sub0_sub1
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; CHECK-NEXT: GLOBAL_STORE_DWORDX4_SADDR [[V_MOV_B32_e32_]], %5.sub1_sub2_sub3_sub4, [[COPY]], 0, 0, implicit $exec :: (store (s128), addrspace 1)
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; CHECK-NEXT: SI_RETURN
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%0:sgpr_32 = COPY killed $sgpr17
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%1:sgpr_32 = COPY killed $sgpr16
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undef %2.sub0:sgpr_64 = COPY killed %1
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%2.sub1:sgpr_64 = COPY killed %0
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%3:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
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INLINEASM &"; def $0", attdialect, regdef:VReg_64, def %4:vreg_64
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undef %5.sub0:vreg_128 = COPY killed %4.sub1
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GLOBAL_STORE_DWORDX4_SADDR killed %3, killed %5, killed %2, 0, 0, implicit $exec :: (store (s128), addrspace 1)
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SI_RETURN
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...
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---
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name: allow_coalesce
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tracksRegLiveness: true
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registers:
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- { id: 0, class: sreg_32_xm0, preferred-register: '%0' }
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- { id: 1, class: vreg_64, preferred-register: '%1' }
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body: |
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bb.0:
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liveins: $sgpr0, $vgpr0_vgpr1
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; CHECK-LABEL: name: allow_coalesce
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; CHECK: liveins: $sgpr0, $vgpr0_vgpr1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: undef [[COPY:%[0-9]+]].sub1:vreg_128 = COPY $sgpr0
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; CHECK-NEXT: FLAT_STORE_DWORDX2 $vgpr0_vgpr1, [[COPY]].sub0_sub1, 0, 0, implicit $exec, implicit $flat_scr
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; CHECK-NEXT: [[DEF:%[0-9]+]]:vreg_96 = IMPLICIT_DEF
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; CHECK-NEXT: undef [[COPY1:%[0-9]+]].sub0_sub1:vreg_96 = COPY [[DEF]]
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; CHECK-NEXT: FLAT_STORE_DWORDX3 $vgpr0_vgpr1, [[COPY1]], 0, 0, implicit $exec, implicit $flat_scr
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; CHECK-NEXT: [[DEF1:%[0-9]+]]:vreg_128 = IMPLICIT_DEF
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; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1_sub2:vreg_128 = COPY [[DEF1]]
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; CHECK-NEXT: FLAT_STORE_DWORDX4 $vgpr0_vgpr1, [[COPY2]], 0, 0, implicit $exec, implicit $flat_scr
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%2:vreg_64 = IMPLICIT_DEF
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undef %3.sub0:vreg_64 = COPY $sgpr0
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%3.sub1:vreg_64 = COPY %2.sub0
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undef %4.sub0:vreg_64 = COPY %3.sub1
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%4.sub1:vreg_64 = COPY %3.sub0
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FLAT_STORE_DWORDX2 $vgpr0_vgpr1, killed %4, 0, 0, implicit $exec, implicit $flat_scr
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%5:vreg_96 = IMPLICIT_DEF
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undef %6.sub0_sub1:vreg_96 = COPY %5
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%6.sub2:vreg_96 = COPY %2.sub0
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FLAT_STORE_DWORDX3 $vgpr0_vgpr1, killed %6, 0, 0, implicit $exec, implicit $flat_scr
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%7:vreg_128 = IMPLICIT_DEF
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undef %8.sub0_sub1_sub2:vreg_128 = COPY %7
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%8.sub3:vreg_128 = COPY %2.sub0
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FLAT_STORE_DWORDX4 $vgpr0_vgpr1, killed %8, 0, 0, implicit $exec, implicit $flat_scr
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...
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