228 lines
6.8 KiB
Plaintext
228 lines
6.8 KiB
Plaintext
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# RUN: llc -O0 -mattr=-fullfp16 -mtriple=aarch64-- \
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# RUN: -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
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--- |
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define <2 x double> @test_v2s64_unmerge(<2 x double> %a) {
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ret <2 x double> %a
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}
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define <4 x float> @test_v4s32_unmerge(<4 x float> %a) {
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ret <4 x float> %a
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}
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define <4 x half> @test_v4s16_unmerge(<4 x half> %a) {
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ret <4 x half> %a
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}
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define <8 x half> @test_v8s16_unmerge(<8 x half> %a) {
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ret <8 x half> %a
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}
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define <2 x float> @test_vecsplit_2v2s32_v4s32(<4 x float> %a) {
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ret <2 x float> undef
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}
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define <2 x half> @test_vecsplit_2v2s16_v4s16(<4 x half> %a) {
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ret <2 x half> undef
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}
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define void @test_s128(i128 %p) { ret void }
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...
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---
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name: test_v2s64_unmerge
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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- { id: 2, class: fpr }
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- { id: 3, class: fpr }
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body: |
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bb.1 (%ir-block.0):
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liveins: $q0
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; CHECK-LABEL: name: test_v2s64_unmerge
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%0:fpr(<2 x s64>) = COPY $q0
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; Since 2 * 64 = 128, we can just directly copy.
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; CHECK: %2:fpr64 = COPY %0.dsub
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; CHECK: %3:fpr64 = CPYi64 %0, 1
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%2:fpr(s64), %3:fpr(s64) = G_UNMERGE_VALUES %0(<2 x s64>)
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%1:fpr(<2 x s64>) = G_BUILD_VECTOR %2(s64), %3(s64)
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$q0 = COPY %1(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: test_v4s32_unmerge
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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- { id: 2, class: fpr }
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- { id: 3, class: fpr }
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- { id: 4, class: fpr }
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- { id: 5, class: fpr }
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body: |
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bb.1 (%ir-block.0):
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liveins: $q0
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; CHECK-LABEL: name: test_v4s32_unmerge
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%0:fpr(<4 x s32>) = COPY $q0
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; Since 4 * 32 = 128, we can just directly copy.
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; CHECK: %2:fpr32 = COPY %0.ssub
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; CHECK: %3:fpr32 = CPYi32 %0, 1
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; CHECK: %4:fpr32 = CPYi32 %0, 2
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; CHECK: %5:fpr32 = CPYi32 %0, 3
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%2:fpr(s32), %3:fpr(s32), %4:fpr(s32), %5:fpr(s32) = G_UNMERGE_VALUES %0(<4 x s32>)
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%1:fpr(<4 x s32>) = G_BUILD_VECTOR %2(s32), %3(s32), %4(s32), %5(s32)
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$q0 = COPY %1(<4 x s32>)
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RET_ReallyLR implicit $q0
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...
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---
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name: test_v4s16_unmerge
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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- { id: 2, class: fpr }
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- { id: 3, class: fpr }
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- { id: 4, class: fpr }
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- { id: 5, class: fpr }
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body: |
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bb.1 (%ir-block.0):
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liveins: $d0
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; CHECK-LABEL: name: test_v4s16_unmerge
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%0:fpr(<4 x s16>) = COPY $d0
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; Since 4 * 16 != 128, we need to widen using implicit defs.
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; Note that we expect to reuse one of the INSERT_SUBREG results, as CPYi16
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; expects a lane > 0.
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; CHECK-DAG: [[IMPDEF1:%[0-9]+]]:fpr128 = IMPLICIT_DEF
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; CHECK-NEXT: [[INS_SHARED:%[0-9]+]]:fpr128 = INSERT_SUBREG [[IMPDEF1]], %0, %subreg.dsub
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; CHECK: [[IMPDEF2:%[0-9]+]]:fpr128 = IMPLICIT_DEF
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; CHECK-NEXT: [[INS2:%[0-9]+]]:fpr128 = INSERT_SUBREG [[IMPDEF2]], %0, %subreg.dsub
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; CHECK: [[IMPDEF3:%[0-9]+]]:fpr128 = IMPLICIT_DEF
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; CHECK-NEXT: [[INS3:%[0-9]+]]:fpr128 = INSERT_SUBREG [[IMPDEF3]], %0, %subreg.dsub
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; CHECK: %2:fpr16 = COPY [[INS_SHARED]].hsub
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; CHECK: %3:fpr16 = CPYi16 [[INS_SHARED]], 1
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; CHECK: %4:fpr16 = CPYi16 [[INS2]], 2
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; CHECK: %5:fpr16 = CPYi16 [[INS3]], 3
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%2:fpr(s16), %3:fpr(s16), %4:fpr(s16), %5:fpr(s16) = G_UNMERGE_VALUES %0(<4 x s16>)
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%1:fpr(<4 x s16>) = G_BUILD_VECTOR %2(s16), %3(s16), %4(s16), %5(s16)
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$d0 = COPY %1(<4 x s16>)
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RET_ReallyLR implicit $d0
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...
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---
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name: test_v8s16_unmerge
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fpr }
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- { id: 1, class: fpr }
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- { id: 2, class: fpr }
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- { id: 3, class: fpr }
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- { id: 4, class: fpr }
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- { id: 5, class: fpr }
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- { id: 6, class: fpr }
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- { id: 7, class: fpr }
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- { id: 8, class: fpr }
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- { id: 9, class: fpr }
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body: |
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bb.1 (%ir-block.0):
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liveins: $q0
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; CHECK-LABEL: name: test_v8s16_unmerge
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%0:fpr(<8 x s16>) = COPY $q0
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; Since 8 * 16 = 128, we can just directly copy.
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; CHECK: %2:fpr16 = COPY %0.hsub
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; CHECK: %3:fpr16 = CPYi16 %0, 1
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; CHECK: %4:fpr16 = CPYi16 %0, 2
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; CHECK: %5:fpr16 = CPYi16 %0, 3
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; CHECK: %6:fpr16 = CPYi16 %0, 4
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; CHECK: %7:fpr16 = CPYi16 %0, 5
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; CHECK: %8:fpr16 = CPYi16 %0, 6
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; CHECK: %9:fpr16 = CPYi16 %0, 7
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%2:fpr(s16), %3:fpr(s16), %4:fpr(s16), %5:fpr(s16), %6:fpr(s16), %7:fpr(s16), %8:fpr(s16), %9:fpr(s16) = G_UNMERGE_VALUES %0(<8 x s16>)
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%1:fpr(<8 x s16>) = G_BUILD_VECTOR %2:fpr(s16), %3:fpr(s16), %4:fpr(s16), %5:fpr(s16), %6:fpr(s16), %7:fpr(s16), %8:fpr(s16), %9:fpr(s16)
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$q0 = COPY %1(<8 x s16>)
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RET_ReallyLR implicit $q0
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...
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---
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name: test_vecsplit_2v2s32_v4s32
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.1 (%ir-block.0):
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liveins: $q0
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; CHECK-LABEL: name: test_vecsplit_2v2s32_v4s32
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; CHECK: liveins: $q0
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; CHECK: [[COPY:%[0-9]+]]:fpr128 = COPY $q0
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; CHECK: [[COPY1:%[0-9]+]]:fpr64 = COPY [[COPY]].dsub
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; CHECK: [[CPYi64_:%[0-9]+]]:fpr64 = CPYi64 [[COPY]], 1
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; CHECK: $d0 = COPY [[COPY1]]
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; CHECK: $d1 = COPY [[CPYi64_]]
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; CHECK: RET_ReallyLR implicit $d0
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%0:fpr(<4 x s32>) = COPY $q0
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%1:fpr(<2 x s32>), %2:fpr(<2 x s32>) = G_UNMERGE_VALUES %0(<4 x s32>)
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$d0 = COPY %1(<2 x s32>)
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$d1 = COPY %2(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: test_vecsplit_2v2s16_v4s16
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.1 (%ir-block.0):
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liveins: $d0
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; CHECK-LABEL: name: test_vecsplit_2v2s16_v4s16
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; CHECK: liveins: $d0
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; CHECK: [[COPY:%[0-9]+]]:fpr64 = COPY $d0
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; CHECK: [[COPY1:%[0-9]+]]:fpr32 = COPY [[COPY]].ssub
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; CHECK: [[DEF:%[0-9]+]]:fpr128 = IMPLICIT_DEF
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; CHECK: [[INSERT_SUBREG:%[0-9]+]]:fpr128 = INSERT_SUBREG [[DEF]], [[COPY]], %subreg.dsub
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; CHECK: [[CPYi32_:%[0-9]+]]:fpr32 = CPYi32 [[INSERT_SUBREG]], 1
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; CHECK: $s0 = COPY [[COPY1]]
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; CHECK: $s1 = COPY [[CPYi32_]]
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; CHECK: RET_ReallyLR implicit $s0
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%0:fpr(<4 x s16>) = COPY $d0
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%1:fpr(<2 x s16>), %2:fpr(<2 x s16>) = G_UNMERGE_VALUES %0(<4 x s16>)
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$s0 = COPY %1(<2 x s16>)
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$s1 = COPY %2(<2 x s16>)
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RET_ReallyLR implicit $s0
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...
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---
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name: test_s128
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alignment: 4
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legalized: true
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regBankSelected: true
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tracksRegLiveness: true
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body: |
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bb.1:
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liveins: $q0
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%0:fpr(s128) = COPY $q0
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%1:fpr(s64), %2:fpr(s64) = G_UNMERGE_VALUES %0(s128)
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$d0 = COPY %1(s64)
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$d1 = COPY %2(s64)
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RET_ReallyLR implicit $d0, implicit $d1
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...
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