derek.holloway
7502bf64a4
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171 lines
7.8 KiB
YAML
171 lines
7.8 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -verify-machineinstrs -stress-regalloc=2 -start-before=greedy -stop-after=virtregmap -o - %s | FileCheck %s
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# Test that a spill of a copy of exec is not folded to be a spill of exec directly.
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---
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name: merge_sgpr_spill_into_copy_from_exec_lo
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: merge_sgpr_spill_into_copy_from_exec_lo
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def $exec_lo
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; CHECK-NEXT: $sgpr0 = S_MOV_B32 $exec_lo
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: S_NOP 0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0, implicit killed renamable $sgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: $exec_lo = S_MOV_B32 killed $sgpr0
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def $exec_lo
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%0:sreg_32 = COPY $exec_lo
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S_NOP 0, implicit-def %1:sreg_32, implicit-def %2:sreg_32, implicit %0
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$exec_lo = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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---
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name: merge_sgpr_spill_into_copy_from_exec_hi
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: merge_sgpr_spill_into_copy_from_exec_hi
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def $exec_hi
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; CHECK-NEXT: $sgpr0 = S_MOV_B32 $exec_hi
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: S_NOP 0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0, implicit killed renamable $sgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: $exec_hi = S_MOV_B32 killed $sgpr0
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def $exec_hi
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%0:sreg_32 = COPY $exec_hi
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S_NOP 0, implicit-def %1:sreg_32, implicit-def %2:sreg_32, implicit %0
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$exec_hi = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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---
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name: merge_sgpr_spill_into_copy_from_exec
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: merge_sgpr_spill_into_copy_from_exec
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def $exec
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; CHECK-NEXT: $sgpr0_sgpr1 = S_MOV_B64 $exec
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0, implicit-def $sgpr0_sgpr1, implicit $sgpr0_sgpr1
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr1, 1, $vgpr0, implicit $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0, implicit-def $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr1 = V_READLANE_B32 $vgpr0, 1
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; CHECK-NEXT: S_NOP 0, implicit-def dead renamable $sgpr2_sgpr3, implicit-def dead renamable $sgpr0_sgpr1, implicit killed renamable $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0, implicit-def $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr1 = V_READLANE_B32 $vgpr0, 1
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def $exec
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%0:sreg_64 = COPY $exec
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S_NOP 0, implicit-def %1:sreg_64, implicit-def %2:sreg_64, implicit %0
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$exec = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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# Test that a reload into a copy of exec is not folded to be a reload of exec directly.
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---
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name: reload_sgpr_spill_into_copy_to_exec_lo
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: reload_sgpr_spill_into_copy_to_exec_lo
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def $exec_lo
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: S_NOP 0, implicit killed renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: $exec_lo = S_MOV_B32 killed $sgpr0
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def %0:sreg_32, implicit-def %1:sreg_32, implicit-def $exec_lo
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S_NOP 0, implicit %0, implicit-def %3:sreg_32, implicit-def %4:sreg_32
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$exec_lo = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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---
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name: reload_sgpr_spill_into_copy_to_exec_hi
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: reload_sgpr_spill_into_copy_to_exec_hi
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def $exec_hi
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: S_NOP 0, implicit killed renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK-NEXT: $exec_hi = S_MOV_B32 killed $sgpr0
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def %0:sreg_32, implicit-def %1:sreg_32, implicit-def $exec_hi
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S_NOP 0, implicit %0, implicit-def %3:sreg_32, implicit-def %4:sreg_32
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$exec_hi = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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---
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name: reload_sgpr_spill_into_copy_to_exec
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tracksRegLiveness: true
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machineFunctionInfo:
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isEntryFunction: true
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body: |
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bb.0:
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; CHECK-LABEL: name: reload_sgpr_spill_into_copy_to_exec
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; CHECK: frame-setup CFI_INSTRUCTION escape 0x0f, 0x04, 0x30, 0x36, 0xe9, 0x02
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; CHECK-NEXT: frame-setup CFI_INSTRUCTION undefined $pc_reg
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; CHECK-NEXT: S_NOP 0, implicit-def renamable $sgpr0_sgpr1, implicit-def dead renamable $sgpr2_sgpr3, implicit-def $exec
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; CHECK-NEXT: $vgpr0 = IMPLICIT_DEF
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0, implicit-def $sgpr0_sgpr1, implicit $sgpr0_sgpr1
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; CHECK-NEXT: $vgpr0 = V_WRITELANE_B32 killed $sgpr1, 1, $vgpr0, implicit $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0, implicit-def $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr1 = V_READLANE_B32 $vgpr0, 1
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; CHECK-NEXT: S_NOP 0, implicit killed renamable $sgpr0_sgpr1, implicit-def dead renamable $sgpr2_sgpr3, implicit-def dead renamable $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr0 = V_READLANE_B32 $vgpr0, 0, implicit-def $sgpr0_sgpr1
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; CHECK-NEXT: $sgpr1 = V_READLANE_B32 $vgpr0, 1
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; CHECK-NEXT: $exec = S_MOV_B64 killed $sgpr0_sgpr1
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; CHECK-NEXT: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def %0:sreg_64, implicit-def %1:sreg_64, implicit-def $exec
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S_NOP 0, implicit %0, implicit-def %3:sreg_64, implicit-def %4:sreg_64
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$exec = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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