forked from OSchip/llvm-project
84 lines
2.7 KiB
YAML
84 lines
2.7 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -march=aarch64 -run-pass=legalizer %s -o - -verify-machineinstrs | FileCheck %s
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--- |
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64"
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declare i16 @llvm.bswap.i16(i16) #0
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define i16 @bswap_s16(i16 %a) { ret i16 0 }
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define <2 x i16> @bswap_2xi16(<2 x i16> %a) { ret <2 x i16> <i16 0, i16 0> }
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attributes #0 = { nounwind readnone speculatable willreturn }
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...
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---
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name: bswap_s16
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alignment: 4
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tracksRegLiveness: true
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liveins:
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- { reg: '$w0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.1:
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liveins: $w0
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; CHECK-LABEL: name: bswap_s16
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; CHECK: liveins: $w0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[COPY]](s32)
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; CHECK: [[BSWAP:%[0-9]+]]:_(s32) = G_BSWAP [[COPY1]]
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; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
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; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[BSWAP]], [[C]](s64)
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; CHECK: [[COPY2:%[0-9]+]]:_(s32) = COPY [[LSHR]](s32)
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; CHECK: $w0 = COPY [[COPY2]](s32)
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; CHECK: RET_ReallyLR implicit $w0
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%1:_(s32) = COPY $w0
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%0:_(s16) = G_TRUNC %1(s32)
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%2:_(s16) = G_BSWAP %0
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%3:_(s32) = G_ANYEXT %2(s16)
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$w0 = COPY %3(s32)
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RET_ReallyLR implicit $w0
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...
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---
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name: bswap_2xi16
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alignment: 4
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tracksRegLiveness: true
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registers:
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- { id: 0, class: _ }
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- { id: 1, class: _ }
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liveins:
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- { reg: '$s0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.1:
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liveins: $s0
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; CHECK-LABEL: name: bswap_2xi16
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $s0
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; CHECK: [[DEF:%[0-9]+]]:_(<8 x s8>) = G_IMPLICIT_DEF
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; CHECK: [[INSERT_SUBREG:%[0-9]+]]:_(<8 x s8>) = INSERT_SUBREG [[DEF]](<8 x s8>), [[COPY]](<2 x s16>), %subreg.ssub
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; CHECK: [[REV32_:%[0-9]+]]:_(<8 x s8>) = G_REV32 [[INSERT_SUBREG]]
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; CHECK: [[BITCAST:%[0-9]+]]:_(<2 x s32>) = G_BITCAST [[REV32_]](<8 x s8>)
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16
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; CHECK: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[C]](s32), [[C]](s32)
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; CHECK: [[LSHR:%[0-9]+]]:_(<2 x s32>) = G_LSHR [[BITCAST]], [[BUILD_VECTOR]](<2 x s32>)
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; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
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; CHECK: [[EVEC:%[0-9]+]]:_(s32) = G_EXTRACT_VECTOR_ELT [[LSHR]](<2 x s32>), [[C1]](s64)
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; CHECK: [[BITCAST1:%[0-9]+]]:_(<2 x s16>) = G_BITCAST [[EVEC]](s32)
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; CHECK: $s0 = COPY [[BITCAST1]](<2 x s16>)
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; CHECK: RET_ReallyLR
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%0:_(<2 x s16>) = COPY $s0
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%1:_(<2 x s16>) = G_BSWAP %0
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$s0 = COPY %1(<2 x s16>)
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RET_ReallyLR
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...
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