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[AMDGPU] Add an agpr copy propagation test

This commit is contained in:
Jay Foad 2022-03-21 11:41:22 +00:00
parent 692341e998
commit 321c8ab81b
1 changed files with 22 additions and 0 deletions
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22
llvm/test/CodeGen/AMDGPU/agpr-copy-propagation.mir
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@ -2,6 +2,28 @@
# RUN: llc -march=amdgcn -mcpu=gfx908 %s -o - -run-pass machine-cp -verify-machineinstrs | FileCheck -check-prefix=GFX908 %s
# RUN: llc -march=amdgcn -mcpu=gfx90a %s -o - -run-pass machine-cp -verify-machineinstrs | FileCheck -check-prefix=GFX90A %s
---
name: propagate_agpr
body: |
bb.0:
successors:
liveins: $agpr0
; GFX908-LABEL: name: propagate_agpr
; GFX908: renamable $agpr1 = COPY renamable $agpr0, implicit $exec
; GFX908-NEXT: renamable $agpr2 = COPY $agpr0, implicit $exec
; GFX908-NEXT: renamable $agpr3 = COPY $agpr0, implicit $exec
; GFX908-NEXT: S_ENDPGM 0, implicit $agpr1, implicit $agpr2, implicit $agpr3
; GFX90A-LABEL: name: propagate_agpr
; GFX90A: renamable $agpr1 = COPY renamable $agpr0, implicit $exec
; GFX90A-NEXT: renamable $agpr2 = COPY $agpr0, implicit $exec
; GFX90A-NEXT: renamable $agpr3 = COPY $agpr0, implicit $exec
; GFX90A-NEXT: S_ENDPGM 0, implicit $agpr1, implicit $agpr2, implicit $agpr3
renamable $agpr1 = COPY renamable $agpr0, implicit $exec
renamable $agpr2 = COPY renamable $agpr1, implicit $exec
renamable $agpr3 = COPY renamable $agpr2, implicit $exec
S_ENDPGM 0, implicit $agpr1, implicit $agpr2, implicit $agpr3
...
---
name: do_not_propagate_agpr_to_agpr
body: |