359 lines
11 KiB
Plaintext
359 lines
11 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=aarch64 -run-pass=aarch64-postlegalizer-lowering -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: splat_4xi32
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $w0
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; CHECK-LABEL: name: splat_4xi32
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; CHECK: liveins: $w0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[DUP:%[0-9]+]]:_(<4 x s32>) = G_DUP [[COPY]](s32)
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; CHECK: $q0 = COPY [[DUP]](<4 x s32>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s32) = COPY $w0
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%2:_(<4 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<4 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<4 x s32>) = G_SHUFFLE_VECTOR %1(<4 x s32>), %2, shufflemask(0, 0, 0, 0)
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$q0 = COPY %4(<4 x s32>)
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RET_ReallyLR implicit $q0
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...
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---
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name: splat_2xi64
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $x0
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; CHECK-LABEL: name: splat_2xi64
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; CHECK: liveins: $x0
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s64>) = G_DUP [[COPY]](s64)
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; CHECK: $q0 = COPY [[DUP]](<2 x s64>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s64) = COPY $x0
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%2:_(<2 x s64>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s64>) = G_INSERT_VECTOR_ELT %2, %0(s64), %3(s32)
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%4:_(<2 x s64>) = G_SHUFFLE_VECTOR %1(<2 x s64>), %2, shufflemask(0, 0)
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$q0 = COPY %4(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: splat_2xi32
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $w0
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; CHECK-LABEL: name: splat_2xi32
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; CHECK: liveins: $w0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s32>) = G_DUP [[COPY]](s32)
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; CHECK: $d0 = COPY [[DUP]](<2 x s32>)
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; CHECK: RET_ReallyLR implicit $d0
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%0:_(s32) = COPY $w0
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%2:_(<2 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<2 x s32>) = G_SHUFFLE_VECTOR %1(<2 x s32>), %2, shufflemask(0, 0)
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$d0 = COPY %4(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: splat_4xf32
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $s0
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; CHECK-LABEL: name: splat_4xf32
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
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; CHECK: [[DUP:%[0-9]+]]:_(<4 x s32>) = G_DUP [[COPY]](s32)
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; CHECK: $q0 = COPY [[DUP]](<4 x s32>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s32) = COPY $s0
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%2:_(<4 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<4 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<4 x s32>) = G_SHUFFLE_VECTOR %1(<4 x s32>), %2, shufflemask(0, 0, 0, 0)
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$q0 = COPY %4(<4 x s32>)
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RET_ReallyLR implicit $q0
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...
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---
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name: splat_2xf64
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $d0
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; CHECK-LABEL: name: splat_2xf64
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; CHECK: liveins: $d0
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $d0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s64>) = G_DUP [[COPY]](s64)
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; CHECK: $q0 = COPY [[DUP]](<2 x s64>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s64) = COPY $d0
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%2:_(<2 x s64>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s64>) = G_INSERT_VECTOR_ELT %2, %0(s64), %3(s32)
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%4:_(<2 x s64>) = G_SHUFFLE_VECTOR %1(<2 x s64>), %2, shufflemask(0, 0)
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$q0 = COPY %4(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: splat_2xf32
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $s0
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; CHECK-LABEL: name: splat_2xf32
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s32>) = G_DUP [[COPY]](s32)
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; CHECK: $d0 = COPY [[DUP]](<2 x s32>)
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; CHECK: RET_ReallyLR implicit $d0
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%0:_(s32) = COPY $s0
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%2:_(<2 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<2 x s32>) = G_SHUFFLE_VECTOR %1(<2 x s32>), %2, shufflemask(0, 0)
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$d0 = COPY %4(<2 x s32>)
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RET_ReallyLR implicit $d0
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...
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---
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name: splat_2xf64_copies
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $d0
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; This test is exactly the same as splat_2xf64, except it adds two copies.
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; These copies shouldn't get in the way of matching the dup pattern.
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; CHECK-LABEL: name: splat_2xf64_copies
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; CHECK: liveins: $d0
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $d0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s64>) = G_DUP [[COPY]](s64)
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; CHECK: $q0 = COPY [[DUP]](<2 x s64>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s64) = COPY $d0
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%2:_(<2 x s64>) = G_IMPLICIT_DEF
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%6:_(<2 x s64>) = COPY %2
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s64>) = G_INSERT_VECTOR_ELT %6, %0(s64), %3(s32)
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%7:_(<2 x s64>) = COPY %1
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%4:_(<2 x s64>) = G_SHUFFLE_VECTOR %7(<2 x s64>), %2, shufflemask(0, 0)
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$q0 = COPY %4(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: not_all_zeros
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $x0
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; Make sure that we don't do the optimization when it's not all zeroes.
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; CHECK-LABEL: name: not_all_zeros
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; CHECK: liveins: $x0
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[DEF:%[0-9]+]]:_(<2 x s64>) = G_IMPLICIT_DEF
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[IVEC:%[0-9]+]]:_(<2 x s64>) = G_INSERT_VECTOR_ELT [[DEF]], [[COPY]](s64), [[C]](s32)
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; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[EXT:%[0-9]+]]:_(<2 x s64>) = G_EXT [[IVEC]], [[DEF]], [[C1]](s32)
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; CHECK: $q0 = COPY [[EXT]](<2 x s64>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s64) = COPY $x0
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%2:_(<2 x s64>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s64>) = G_INSERT_VECTOR_ELT %2, %0(s64), %3(s32)
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%4:_(<2 x s64>) = G_SHUFFLE_VECTOR %1(<2 x s64>), %2, shufflemask(0, 1)
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$q0 = COPY %4(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: all_undef
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $x0
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; If all the elements are undefined, we consider it a splat. In this case,
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; we can choose 0 as our index.
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;
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; We should get a G_DUP here.
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;
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; CHECK-LABEL: name: all_undef
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; CHECK: liveins: $x0
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: [[DUP:%[0-9]+]]:_(<2 x s64>) = G_DUP [[COPY]](s64)
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; CHECK: $q0 = COPY [[DUP]](<2 x s64>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s64) = COPY $x0
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%2:_(<2 x s64>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<2 x s64>) = G_INSERT_VECTOR_ELT %2, %0(s64), %3(s32)
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%4:_(<2 x s64>) = G_SHUFFLE_VECTOR %1(<2 x s64>), %2, shufflemask(-1, -1)
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$q0 = COPY %4(<2 x s64>)
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RET_ReallyLR implicit $q0
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...
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---
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name: one_undef
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $s0
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; Make sure we can skip past undef values.
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;
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; We should get a G_DUP here.
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;
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; CHECK-LABEL: name: one_undef
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
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; CHECK: [[DUP:%[0-9]+]]:_(<4 x s32>) = G_DUP [[COPY]](s32)
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; CHECK: $q0 = COPY [[DUP]](<4 x s32>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s32) = COPY $s0
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%2:_(<4 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<4 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<4 x s32>) = G_SHUFFLE_VECTOR %1(<4 x s32>), %2, shufflemask(0, -1, 0, 0)
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$q0 = COPY %4(<4 x s32>)
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RET_ReallyLR implicit $q0
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...
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---
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name: not_all_zeros_with_undefs
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $s0
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; Check a non-splat mask with an undef value. We shouldn't get a G_DUP here.
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;
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; CHECK-LABEL: name: not_all_zeros_with_undefs
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; CHECK: liveins: $s0
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; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $s0
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; CHECK: [[DEF:%[0-9]+]]:_(<4 x s32>) = G_IMPLICIT_DEF
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; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
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; CHECK: [[IVEC:%[0-9]+]]:_(<4 x s32>) = G_INSERT_VECTOR_ELT [[DEF]], [[COPY]](s32), [[C]](s32)
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; CHECK: [[SHUF:%[0-9]+]]:_(<4 x s32>) = G_SHUFFLE_VECTOR [[IVEC]](<4 x s32>), [[DEF]], shufflemask(undef, 0, 0, 3)
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; CHECK: $q0 = COPY [[SHUF]](<4 x s32>)
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; CHECK: RET_ReallyLR implicit $q0
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%0:_(s32) = COPY $s0
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%2:_(<4 x s32>) = G_IMPLICIT_DEF
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%3:_(s32) = G_CONSTANT i32 0
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%1:_(<4 x s32>) = G_INSERT_VECTOR_ELT %2, %0(s32), %3(s32)
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%4:_(<4 x s32>) = G_SHUFFLE_VECTOR %1(<4 x s32>), %2, shufflemask(-1, 0, 0, 3)
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$q0 = COPY %4(<4 x s32>)
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RET_ReallyLR implicit $q0
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...
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---
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name: splat_4xi16
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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body: |
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bb.1.entry:
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liveins: $h0
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; CHECK-LABEL: name: splat_4xi16
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; CHECK: liveins: $h0
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; CHECK: %copy:_(s16) = COPY $h0
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; CHECK: %splat:_(<4 x s16>) = G_DUP %copy(s16)
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; CHECK: $d0 = COPY %splat(<4 x s16>)
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; CHECK: RET_ReallyLR implicit $d0
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%copy:_(s16) = COPY $h0
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%undef:_(<4 x s16>) = G_IMPLICIT_DEF
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%cst:_(s32) = G_CONSTANT i32 0
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%ins:_(<4 x s16>) = G_INSERT_VECTOR_ELT %undef, %copy(s16), %cst(s32)
|
||
|
|
%splat:_(<4 x s16>) = G_SHUFFLE_VECTOR %ins(<4 x s16>), %undef, shufflemask(0, 0, 0, 0)
|
||
|
|
$d0 = COPY %splat(<4 x s16>)
|
||
|
|
RET_ReallyLR implicit $d0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: splat_8xi8
|
||
|
|
alignment: 4
|
||
|
|
legalized: true
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.1.entry:
|
||
|
|
liveins: $w0
|
||
|
|
; CHECK-LABEL: name: splat_8xi8
|
||
|
|
; CHECK: liveins: $w0
|
||
|
|
; CHECK: %copy:_(s32) = COPY $w0
|
||
|
|
; CHECK: %splat:_(<8 x s8>) = G_DUP %copy(s32)
|
||
|
|
; CHECK: $d0 = COPY %splat(<8 x s8>)
|
||
|
|
; CHECK: RET_ReallyLR implicit $d0
|
||
|
|
%copy:_(s32) = COPY $w0
|
||
|
|
%undef:_(<8 x s8>) = G_IMPLICIT_DEF
|
||
|
|
%cst:_(s32) = G_CONSTANT i32 0
|
||
|
|
%ins:_(<8 x s8>) = G_INSERT_VECTOR_ELT %undef, %copy(s32), %cst(s32)
|
||
|
|
%splat:_(<8 x s8>) = G_SHUFFLE_VECTOR %ins(<8 x s8>), %undef, shufflemask(0, 0, 0, 0, 0, 0, 0, 0)
|
||
|
|
$d0 = COPY %splat(<8 x s8>)
|
||
|
|
RET_ReallyLR implicit $d0
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: build_vector
|
||
|
|
alignment: 4
|
||
|
|
legalized: true
|
||
|
|
tracksRegLiveness: true
|
||
|
|
body: |
|
||
|
|
bb.1.entry:
|
||
|
|
liveins: $w0, $w1, $w2, $w3
|
||
|
|
; The G_SHUFFLE_VECTOR is fed by a G_BUILD_VECTOR, and the 0th input
|
||
|
|
; operand is not a constant. We should get a G_DUP.
|
||
|
|
;
|
||
|
|
; CHECK-LABEL: name: build_vector
|
||
|
|
; CHECK: liveins: $w0, $w1, $w2, $w3
|
||
|
|
; CHECK: %lane:_(s32) = COPY $w0
|
||
|
|
; CHECK: %shuf:_(<4 x s32>) = G_DUP %lane(s32)
|
||
|
|
; CHECK: $q0 = COPY %shuf(<4 x s32>)
|
||
|
|
; CHECK: RET_ReallyLR implicit $q0
|
||
|
|
%lane:_(s32) = COPY $w0
|
||
|
|
%b:_(s32) = COPY $w1
|
||
|
|
%c:_(s32) = COPY $w2
|
||
|
|
%d:_(s32) = COPY $w3
|
||
|
|
%undef:_(<4 x s32>) = G_IMPLICIT_DEF
|
||
|
|
%buildvec:_(<4 x s32>) = G_BUILD_VECTOR %lane, %b, %c, %d
|
||
|
|
%shuf:_(<4 x s32>) = G_SHUFFLE_VECTOR %buildvec(<4 x s32>), %undef, shufflemask(0, 0, 0, 0)
|
||
|
|
$q0 = COPY %shuf(<4 x s32>)
|
||
|
|
RET_ReallyLR implicit $q0
|