59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
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# 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 m0 is not folded to be a spill of m0 directly.
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---
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name: merge_sgpr_spill_into_copy_from_m0
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tracksRegLiveness: 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_m0
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; CHECK: liveins: $vgpr0
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; CHECK: S_WAITCNT 0
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; CHECK: S_NOP 0, implicit-def $m0
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; CHECK: $sgpr0 = S_MOV_B32 $m0
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; CHECK: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK: S_NOP 0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0, implicit killed renamable $sgpr0
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; CHECK: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK: $m0 = S_MOV_B32 killed $sgpr0
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; CHECK: S_NOP 0
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; CHECK: S_SENDMSG 0, implicit $m0, implicit $exec
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S_NOP 0, implicit-def $m0
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%0:sreg_32 = COPY $m0
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S_NOP 0, implicit-def %1:sreg_32, implicit-def %2:sreg_32, implicit %0
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$m0 = 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 m0 is not folded to be a reload of m0 directly.
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---
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name: reload_sgpr_spill_into_copy_to_m0
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tracksRegLiveness: 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_m0
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; CHECK: liveins: $vgpr0
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; CHECK: S_WAITCNT 0
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; CHECK: S_NOP 0, implicit-def renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def $m0
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; CHECK: $vgpr0 = V_WRITELANE_B32 killed $sgpr0, 0, $vgpr0
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; CHECK: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK: S_NOP 0, implicit killed renamable $sgpr0, implicit-def dead renamable $sgpr1, implicit-def dead renamable $sgpr0
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; CHECK: $sgpr0 = V_READLANE_B32 $vgpr0, 0
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; CHECK: $m0 = S_MOV_B32 killed $sgpr0
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; CHECK: S_NOP 0
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; CHECK: 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 $m0
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S_NOP 0, implicit %0, implicit-def %3:sreg_32, implicit-def %4:sreg_32
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$m0 = COPY %0
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S_SENDMSG 0, implicit $m0, implicit $exec
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...
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