llvm-project/llvm/test/tools/llvm-reduce/mir/generic-vreg.mir

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# REQUIRES: amdgpu-registered-target
# RUN: llvm-reduce -abort-on-invalid-reduction -mtriple=amdgcn-amd-amdhsa --test FileCheck --test-arg --check-prefix=CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t 2> %t.log
# RUN: FileCheck --match-full-lines --check-prefix=RESULT %s < %t
# Verify that reduction works with generic virtual registers, and the
# properties like register banks, types and names.
# CHECK-INTERESTINGNESS: G_IMPLICIT_DEF
# CHECK-INTERESTINGNESS: G_BITCAST
# CHECK-INTERESTINGNESS: G_ADD
# CHECK-INTERESTINGNESS: G_IMPLICIT_DEF
# CHECK-INTERESTINGNESS: G_STORE
# RESULT: %{{[0-9]+}}:vgpr(s32) = G_IMPLICIT_DEF
# RESULT-NEXT: %{{[0-9]+}}:vgpr(<2 x s16>) = G_IMPLICIT_DEF
# RESULT-NEXT: %{{[0-9]+}}:sgpr(p1) = G_IMPLICIT_DEF
# RESULT-NEXT: %{{[0-9]+}}:_(s64) = G_IMPLICIT_DEF
# RESULT-NEXT: %{{[0-9]+}}:vreg_64(s64) = IMPLICIT_DEF
# RESULT-NEXT: %{{[0-9]+}}:_(<2 x s32>) = G_IMPLICIT_DEF
# RESULT-NEXT: %aoeu:_(s64) = G_BITCAST %14(<2 x s32>)
# RESULT-NEXT: %add:_(s64) = G_ADD %aoeu, %aoeu
# RESULT-NEXT: %ptr:_(p1) = G_IMPLICIT_DEF
# RESULT-NEXT: G_STORE %{{[0-9]+}}(s32), %ptr(p1) :: (store (s32), addrspace 1)
# RESULT-NEXT: S_ENDPGM 0{{$}}
---
name: f
tracksRegLiveness: true
body: |
bb.0:
liveins: $vgpr0, $vgpr1, $vgpr2_vgpr3
%v0:vgpr(s32) = COPY $vgpr0
%v1:vgpr(<2 x s16>) = COPY $vgpr1
%unused_load_ptr:sgpr(p1) = G_IMPLICIT_DEF
%unused_load:_(s64) = G_LOAD %unused_load_ptr :: (load (s64), addrspace 1)
G_STORE %unused_load, %unused_load_ptr :: (store (s64), addrspace 1)
%2:vreg_64(s64) = COPY $vgpr2_vgpr3
%arst:_(<2 x s32>) = G_IMPLICIT_DEF
%aoeu:_(s64) = G_BITCAST %arst
S_NOP 0
%add:_(s64) = G_ADD %aoeu, %aoeu
%ptr:_(p1) = G_IMPLICIT_DEF
G_STORE %v0, %ptr :: (store 4, addrspace 1)
S_ENDPGM 0, implicit %add, implicit %v1, implicit %2
...