derek.holloway
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93 lines
4.3 KiB
YAML
93 lines
4.3 KiB
YAML
# RUN: llc -mtriple=aarch64-unknown-linux -mattr=+sve -aarch64-sve-vector-bits-min=128 -aarch64-sve-vector-bits-max=128 -run-pass=aarch64-ldst-opt -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: pair-sve-fill-spill
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $x1
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renamable $z0 = LDR_ZXI renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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renamable $z1 = LDR_ZXI killed renamable $x0, 1 :: (load (<vscale x 1 x s128>))
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STR_ZXI killed renamable $z0, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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STR_ZXI killed renamable $z1, killed renamable $x1, 1 :: (store (<vscale x 1 x s128>))
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RET_ReallyLR
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...
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# CHECK-LABEL: name: pair-sve-fill-spill
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# CHECK: $q0, $q1 = LDPQi renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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# CHECK: STPQi killed $q0, killed $q1, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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---
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name: do-not-pair-sve-with-neon-scaled
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $x1
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; SVE LDR + Neon LDR
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renamable $z0 = LDR_ZXI renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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renamable $q1 = LDRQui renamable $x0, 1 :: (load (s128))
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; Neon LDR + SVE LDR
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renamable $q2 = LDRQui renamable $x0, 3 :: (load (s128))
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renamable $z3 = LDR_ZXI renamable $x0, 4 :: (load (<vscale x 1 x s128>))
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; SVE STR + Neon STR
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STR_ZXI killed renamable $z0, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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STRQui killed renamable $q1, renamable $x1, 1 :: (store (s128))
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; Neon STR + SVE STR
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STRQui killed renamable $q2, renamable $x1, 3 :: (store (s128))
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STR_ZXI killed renamable $z3, renamable $x1, 4 :: (store (<vscale x 1 x s128>))
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RET_ReallyLR
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...
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# CHECK-LABEL: name: do-not-pair-sve-with-neon-scaled
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# CHECK: renamable $z0 = LDR_ZXI renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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# CHECK: renamable $q1 = LDRQui renamable $x0, 1 :: (load (s128))
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# CHECK: renamable $q2 = LDRQui renamable $x0, 3 :: (load (s128))
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# CHECK: renamable $z3 = LDR_ZXI renamable $x0, 4 :: (load (<vscale x 1 x s128>))
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# CHECK: STR_ZXI killed renamable $z0, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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# CHECK: STRQui killed renamable $q1, renamable $x1, 1 :: (store (s128))
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# CHECK: STRQui killed renamable $q2, renamable $x1, 3 :: (store (s128))
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# CHECK: STR_ZXI killed renamable $z3, renamable $x1, 4 :: (store (<vscale x 1 x s128>))
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---
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name: do-not-pair-sve-with-neon-unscaled
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $x1
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; SVE LDR + Neon LDUR
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renamable $z0 = LDR_ZXI renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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renamable $q1 = LDURQi renamable $x0, 16 :: (load (s128))
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; Neon LDUR + SVE LDR
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renamable $q2 = LDURQi renamable $x0, 48 :: (load (s128))
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renamable $z3 = LDR_ZXI renamable $x0, 4 :: (load (<vscale x 1 x s128>))
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; SVE STR + Neon STUR
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STR_ZXI killed renamable $z0, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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STURQi killed renamable $q1, renamable $x1, 16 :: (store (s128))
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; Neon STUR + SVE STR
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STURQi killed renamable $q2, renamable $x1, 48 :: (store (s128))
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STR_ZXI killed renamable $z3, renamable $x1, 4 :: (store (<vscale x 1 x s128>))
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RET_ReallyLR
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...
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# CHECK-LABEL: name: do-not-pair-sve-with-neon-unscaled
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# CHECK: renamable $z0 = LDR_ZXI renamable $x0, 0 :: (load (<vscale x 1 x s128>))
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# CHECK: renamable $q1 = LDURQi renamable $x0, 16 :: (load (s128))
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# CHECK: renamable $q2 = LDURQi renamable $x0, 48 :: (load (s128))
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# CHECK: renamable $z3 = LDR_ZXI renamable $x0, 4 :: (load (<vscale x 1 x s128>))
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# CHECK: STR_ZXI killed renamable $z0, renamable $x1, 0 :: (store (<vscale x 1 x s128>))
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# CHECK: STURQi killed renamable $q1, renamable $x1, 16 :: (store (s128))
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# CHECK: STURQi killed renamable $q2, renamable $x1, 48 :: (store (s128))
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# CHECK: STR_ZXI killed renamable $z3, renamable $x1, 4 :: (store (<vscale x 1 x s128>))
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---
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name: clear-kill-in-bundle-forward
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $x0, $z0
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STR_ZXI $z0, $x0, 0 :: (store (<vscale x 1 x s128>))
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BUNDLE implicit-def $z1, implicit killed $z0 {
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$z1 = ADD_ZZZ_D killed $z0, $z0
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}
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STR_ZXI renamable $z1, $x0, 1 :: (store (<vscale x 1 x s128>))
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RET_ReallyLR
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...
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# CHECK-LABEL: name: clear-kill-in-bundle-forward
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# CHECK: BUNDLE implicit-def $z1, implicit $z0 {
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# CHECK: $z1 = ADD_ZZZ_D $z0, $z0
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# CHECK: }
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# CHECK: STPQi $q0, $q1, $x0, 0 :: (store (<vscale x 1 x s128>))
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