[llvm] [AArch64][GlobalISel] Legalize G_SHUFFLE_VECTOR for Odd-Sized Vectors (PR #83038)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 29 07:34:01 PST 2024
https://github.com/chuongg3 updated https://github.com/llvm/llvm-project/pull/83038
>From a53af8ec5a8cd0f872df6927a078753e1533857f Mon Sep 17 00:00:00 2001
From: Tuan Chuong Goh <chuong.goh at arm.com>
Date: Fri, 23 Feb 2024 13:47:52 +0000
Subject: [PATCH] [AArch64][GlobalISel] Legalize G_SHUFFLE_VECTOR for Odd-Sized
vectors
Legalize Smaller/Larger than legal vectors with i8 and i16 element sizes.
Vectors with elements smaller than i8 will get widened to i8 elements.
---
.../llvm/CodeGen/GlobalISel/LegalizerInfo.h | 12 +
.../CodeGen/GlobalISel/LegalizerHelper.cpp | 1 +
.../AArch64/GISel/AArch64LegalizerInfo.cpp | 3 +
.../AArch64/GlobalISel/legalize-select.mir | 72 +++---
llvm/test/CodeGen/AArch64/shufflevector.ll | 232 ++++++++++++------
5 files changed, 212 insertions(+), 108 deletions(-)
diff --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
index 637c2c71b02411..6afaea3f3fc5c6 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
@@ -908,6 +908,18 @@ class LegalizeRuleSet {
LegalizeMutations::widenScalarOrEltToNextPow2(TypeIdx, MinSize));
}
+ /// Widen the scalar or vector element type to the next power of two that is
+ /// at least MinSize. No effect if the scalar size is a power of two.
+ LegalizeRuleSet &widenScalarOrEltToNextPow2OrMinSize(unsigned TypeIdx,
+ unsigned MinSize = 0) {
+ using namespace LegalityPredicates;
+ return actionIf(
+ LegalizeAction::WidenScalar,
+ any(scalarOrEltNarrowerThan(TypeIdx, MinSize),
+ scalarOrEltSizeNotPow2(typeIdx(TypeIdx))),
+ LegalizeMutations::widenScalarOrEltToNextPow2(TypeIdx, MinSize));
+ }
+
LegalizeRuleSet &narrowScalar(unsigned TypeIdx, LegalizeMutation Mutation) {
using namespace LegalityPredicates;
return actionIf(LegalizeAction::NarrowScalar, isScalar(typeIdx(TypeIdx)),
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 8079f853aef855..1d016e684c48f6 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -2495,6 +2495,7 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
case TargetOpcode::G_OR:
case TargetOpcode::G_XOR:
case TargetOpcode::G_SUB:
+ case TargetOpcode::G_SHUFFLE_VECTOR:
// Perform operation at larger width (any extension is fines here, high bits
// don't affect the result) and then truncate the result back to the
// original type.
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
index 91323e456a5ef8..84b4ecb7d2700a 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -956,6 +956,9 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
},
changeTo(1, 0))
.moreElementsToNextPow2(0)
+ .widenScalarOrEltToNextPow2OrMinSize(0, 8)
+ .clampNumElements(0, v8s8, v16s8)
+ .clampNumElements(0, v4s16, v8s16)
.clampNumElements(0, v4s32, v4s32)
.clampNumElements(0, v2s64, v2s64)
.moreElementsIf(
diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-select.mir b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-select.mir
index 4879ffd28784c1..63a26dcfea4762 100644
--- a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-select.mir
+++ b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-select.mir
@@ -287,39 +287,47 @@ body: |
; CHECK-NEXT: %q0:_(<4 x s32>) = COPY $q0
; CHECK-NEXT: %q1:_(<4 x s32>) = COPY $q1
; CHECK-NEXT: %q2:_(<4 x s32>) = COPY $q2
- ; CHECK-NEXT: %vec_cond0:_(<4 x s1>) = G_ICMP intpred(eq), %q0(<4 x s32>), %q1
- ; CHECK-NEXT: %vec_cond1:_(<4 x s1>) = G_ICMP intpred(eq), %q0(<4 x s32>), %q2
+ ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(<4 x s32>) = G_ICMP intpred(eq), %q0(<4 x s32>), %q1
+ ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(<4 x s32>) = G_ICMP intpred(eq), %q0(<4 x s32>), %q2
; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 4100
- ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_FCONSTANT float 0.000000e+00
- ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[C1]](s32), [[C1]](s32), [[C1]](s32), [[C1]](s32)
- ; CHECK-NEXT: %cmp:_(s1) = G_ICMP intpred(eq), %w0(s32), [[C]]
- ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT %cmp(s1)
- ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[ZEXT]], 1
- ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s1) = G_TRUNC [[SEXT_INREG]](s32)
- ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(<4 x s1>) = G_IMPLICIT_DEF
- ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
- ; CHECK-NEXT: [[IVEC:%[0-9]+]]:_(<4 x s1>) = G_INSERT_VECTOR_ELT [[DEF]], [[TRUNC]](s1), [[C2]](s64)
- ; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<4 x s1>) = G_SHUFFLE_VECTOR [[IVEC]](<4 x s1>), [[DEF]], shufflemask(0, 0, 0, 0)
- ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s8) = G_CONSTANT i8 1
- ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s1) = G_TRUNC [[C3]](s8)
- ; CHECK-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<4 x s1>) = G_BUILD_VECTOR [[TRUNC1]](s1), [[TRUNC1]](s1), [[TRUNC1]](s1), [[TRUNC1]](s1)
- ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[SHUF]](<4 x s1>)
- ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[BUILD_VECTOR1]](<4 x s1>)
- ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(<4 x s16>) = G_XOR [[ANYEXT]], [[ANYEXT1]]
- ; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(<4 x s1>) = G_TRUNC [[XOR]](<4 x s16>)
- ; CHECK-NEXT: [[ANYEXT2:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT %vec_cond0(<4 x s1>)
- ; CHECK-NEXT: [[ANYEXT3:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[SHUF]](<4 x s1>)
- ; CHECK-NEXT: [[AND:%[0-9]+]]:_(<4 x s16>) = G_AND [[ANYEXT2]], [[ANYEXT3]]
- ; CHECK-NEXT: [[TRUNC3:%[0-9]+]]:_(<4 x s1>) = G_TRUNC [[AND]](<4 x s16>)
- ; CHECK-NEXT: [[ANYEXT4:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT %vec_cond1(<4 x s1>)
- ; CHECK-NEXT: [[ANYEXT5:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[TRUNC2]](<4 x s1>)
- ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(<4 x s16>) = G_AND [[ANYEXT4]], [[ANYEXT5]]
- ; CHECK-NEXT: [[TRUNC4:%[0-9]+]]:_(<4 x s1>) = G_TRUNC [[AND1]](<4 x s16>)
- ; CHECK-NEXT: [[ANYEXT6:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[TRUNC3]](<4 x s1>)
- ; CHECK-NEXT: [[ANYEXT7:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[TRUNC4]](<4 x s1>)
- ; CHECK-NEXT: [[OR:%[0-9]+]]:_(<4 x s16>) = G_OR [[ANYEXT6]], [[ANYEXT7]]
- ; CHECK-NEXT: %select:_(<4 x s1>) = G_TRUNC [[OR]](<4 x s16>)
- ; CHECK-NEXT: %zext_select:_(<4 x s32>) = G_ZEXT %select(<4 x s1>)
+ ; CHECK-NEXT: [[ICMP2:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), %w0(s32), [[C]]
+ ; CHECK-NEXT: [[SEXT_INREG:%[0-9]+]]:_(s32) = G_SEXT_INREG [[ICMP2]], 1
+ ; CHECK-NEXT: [[DEF:%[0-9]+]]:_(s8) = G_IMPLICIT_DEF
+ ; CHECK-NEXT: [[DEF1:%[0-9]+]]:_(s16) = G_IMPLICIT_DEF
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s16) = COPY [[DEF1]](s16)
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s16) = COPY [[DEF1]](s16)
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s16) = COPY [[DEF1]](s16)
+ ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s16>) = G_BUILD_VECTOR [[COPY]](s16), [[COPY1]](s16), [[COPY2]](s16), [[DEF1]](s16)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
+ ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SEXT_INREG]](s32)
+ ; CHECK-NEXT: [[IVEC:%[0-9]+]]:_(<4 x s16>) = G_INSERT_VECTOR_ELT [[BUILD_VECTOR]], [[TRUNC]](s16), [[C1]](s64)
+ ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s16), [[UV1:%[0-9]+]]:_(s16), [[UV2:%[0-9]+]]:_(s16), [[UV3:%[0-9]+]]:_(s16) = G_UNMERGE_VALUES [[IVEC]](<4 x s16>)
+ ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s8) = G_TRUNC [[UV]](s16)
+ ; CHECK-NEXT: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[UV1]](s16)
+ ; CHECK-NEXT: [[TRUNC3:%[0-9]+]]:_(s8) = G_TRUNC [[UV2]](s16)
+ ; CHECK-NEXT: [[TRUNC4:%[0-9]+]]:_(s8) = G_TRUNC [[UV3]](s16)
+ ; CHECK-NEXT: [[DEF2:%[0-9]+]]:_(s8) = G_IMPLICIT_DEF
+ ; CHECK-NEXT: [[BUILD_VECTOR1:%[0-9]+]]:_(<8 x s8>) = G_BUILD_VECTOR [[TRUNC1]](s8), [[TRUNC2]](s8), [[TRUNC3]](s8), [[TRUNC4]](s8), [[DEF2]](s8), [[DEF2]](s8), [[DEF2]](s8), [[DEF2]](s8)
+ ; CHECK-NEXT: [[BUILD_VECTOR2:%[0-9]+]]:_(<8 x s8>) = G_BUILD_VECTOR [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF]](s8), [[DEF2]](s8), [[DEF2]](s8), [[DEF2]](s8), [[DEF2]](s8)
+ ; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<8 x s8>) = G_SHUFFLE_VECTOR [[BUILD_VECTOR1]](<8 x s8>), [[BUILD_VECTOR2]], shufflemask(0, 0, 0, 0, undef, undef, undef, undef)
+ ; CHECK-NEXT: [[UV4:%[0-9]+]]:_(<4 x s8>), [[UV5:%[0-9]+]]:_(<4 x s8>) = G_UNMERGE_VALUES [[SHUF]](<8 x s8>)
+ ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s16) = G_CONSTANT i16 1
+ ; CHECK-NEXT: [[COPY3:%[0-9]+]]:_(s16) = COPY [[C2]](s16)
+ ; CHECK-NEXT: [[COPY4:%[0-9]+]]:_(s16) = COPY [[C2]](s16)
+ ; CHECK-NEXT: [[COPY5:%[0-9]+]]:_(s16) = COPY [[C2]](s16)
+ ; CHECK-NEXT: [[BUILD_VECTOR3:%[0-9]+]]:_(<4 x s16>) = G_BUILD_VECTOR [[COPY3]](s16), [[COPY4]](s16), [[COPY5]](s16), [[C2]](s16)
+ ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[UV4]](<4 x s8>)
+ ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(<4 x s16>) = G_XOR [[ANYEXT]], [[BUILD_VECTOR3]]
+ ; CHECK-NEXT: [[TRUNC5:%[0-9]+]]:_(<4 x s16>) = G_TRUNC [[ICMP]](<4 x s32>)
+ ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(<4 x s16>) = G_ANYEXT [[UV4]](<4 x s8>)
+ ; CHECK-NEXT: [[AND:%[0-9]+]]:_(<4 x s16>) = G_AND [[TRUNC5]], [[ANYEXT1]]
+ ; CHECK-NEXT: [[TRUNC6:%[0-9]+]]:_(<4 x s16>) = G_TRUNC [[ICMP1]](<4 x s32>)
+ ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(<4 x s16>) = G_AND [[TRUNC6]], [[XOR]]
+ ; CHECK-NEXT: [[OR:%[0-9]+]]:_(<4 x s16>) = G_OR [[AND]], [[AND1]]
+ ; CHECK-NEXT: [[ANYEXT2:%[0-9]+]]:_(<4 x s32>) = G_ANYEXT [[OR]](<4 x s16>)
+ ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
+ ; CHECK-NEXT: [[BUILD_VECTOR4:%[0-9]+]]:_(<4 x s32>) = G_BUILD_VECTOR [[C3]](s32), [[C3]](s32), [[C3]](s32), [[C3]](s32)
+ ; CHECK-NEXT: %zext_select:_(<4 x s32>) = G_AND [[ANYEXT2]], [[BUILD_VECTOR4]]
; CHECK-NEXT: $q0 = COPY %zext_select(<4 x s32>)
; CHECK-NEXT: RET_ReallyLR implicit $q0
%w0:_(s32) = COPY $w0
diff --git a/llvm/test/CodeGen/AArch64/shufflevector.ll b/llvm/test/CodeGen/AArch64/shufflevector.ll
index df59eb8e629f44..5638347ee63340 100644
--- a/llvm/test/CodeGen/AArch64/shufflevector.ll
+++ b/llvm/test/CodeGen/AArch64/shufflevector.ll
@@ -3,15 +3,7 @@
; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel -global-isel-abort=2 %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
; CHECK-GI: warning: Instruction selection used fallback path for shufflevector_v2i1
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v4i8
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v32i8
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v2i16
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v16i16
; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v2i1_zeroes
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v4i8_zeroes
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v32i8_zeroes
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v2i16_zeroes
-; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v16i16_zeroes
; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v3i8
; CHECK-GI-NEXT: warning: Instruction selection used fallback path for shufflevector_v3i8_zeroes
@@ -205,68 +197,142 @@ define <2 x i1> @shufflevector_v2i1(<2 x i1> %a, <2 x i1> %b){
}
define i32 @shufflevector_v4i8(<4 x i8> %a, <4 x i8> %b){
-; CHECK-LABEL: shufflevector_v4i8:
-; CHECK: // %bb.0:
-; CHECK-NEXT: sub sp, sp, #16
-; CHECK-NEXT: .cfi_def_cfa_offset 16
-; CHECK-NEXT: ext v0.8b, v1.8b, v0.8b, #6
-; CHECK-NEXT: zip1 v1.4h, v1.4h, v0.4h
-; CHECK-NEXT: ext v0.8b, v0.8b, v1.8b, #4
-; CHECK-NEXT: xtn v0.8b, v0.8h
-; CHECK-NEXT: fmov w0, s0
-; CHECK-NEXT: add sp, sp, #16
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v4i8:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: sub sp, sp, #16
+; CHECK-SD-NEXT: .cfi_def_cfa_offset 16
+; CHECK-SD-NEXT: ext v0.8b, v1.8b, v0.8b, #6
+; CHECK-SD-NEXT: zip1 v1.4h, v1.4h, v0.4h
+; CHECK-SD-NEXT: ext v0.8b, v0.8b, v1.8b, #4
+; CHECK-SD-NEXT: xtn v0.8b, v0.8h
+; CHECK-SD-NEXT: fmov w0, s0
+; CHECK-SD-NEXT: add sp, sp, #16
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v4i8:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-GI-NEXT: mov h2, v0.h[1]
+; CHECK-GI-NEXT: // kill: def $d1 killed $d1 def $q1
+; CHECK-GI-NEXT: mov h3, v1.h[1]
+; CHECK-GI-NEXT: adrp x8, .LCPI15_0
+; CHECK-GI-NEXT: mov h4, v0.h[2]
+; CHECK-GI-NEXT: mov h5, v0.h[3]
+; CHECK-GI-NEXT: mov h6, v1.h[3]
+; CHECK-GI-NEXT: mov v0.b[1], v2.b[0]
+; CHECK-GI-NEXT: mov h2, v1.h[2]
+; CHECK-GI-NEXT: mov v1.b[1], v3.b[0]
+; CHECK-GI-NEXT: mov v0.b[2], v4.b[0]
+; CHECK-GI-NEXT: mov v1.b[2], v2.b[0]
+; CHECK-GI-NEXT: mov v0.b[3], v5.b[0]
+; CHECK-GI-NEXT: mov v1.b[3], v6.b[0]
+; CHECK-GI-NEXT: mov v0.b[4], v0.b[0]
+; CHECK-GI-NEXT: mov v1.b[4], v0.b[0]
+; CHECK-GI-NEXT: mov v0.b[5], v0.b[0]
+; CHECK-GI-NEXT: mov v1.b[5], v0.b[0]
+; CHECK-GI-NEXT: mov v0.b[6], v0.b[0]
+; CHECK-GI-NEXT: mov v1.b[6], v0.b[0]
+; CHECK-GI-NEXT: mov v0.b[7], v0.b[0]
+; CHECK-GI-NEXT: mov v1.b[7], v0.b[0]
+; CHECK-GI-NEXT: mov v0.d[1], v1.d[0]
+; CHECK-GI-NEXT: ldr d1, [x8, :lo12:.LCPI15_0]
+; CHECK-GI-NEXT: tbl v0.16b, { v0.16b }, v1.16b
+; CHECK-GI-NEXT: fmov w0, s0
+; CHECK-GI-NEXT: ret
%c = shufflevector <4 x i8> %a, <4 x i8> %b, <4 x i32> <i32 1, i32 2, i32 4, i32 7>
%d = bitcast <4 x i8> %c to i32
ret i32 %d
}
define <32 x i8> @shufflevector_v32i8(<32 x i8> %a, <32 x i8> %b){
-; CHECK-LABEL: shufflevector_v32i8:
-; CHECK: // %bb.0:
-; CHECK-NEXT: // kill: def $q2 killed $q2 def $q1_q2
-; CHECK-NEXT: adrp x8, .LCPI16_0
-; CHECK-NEXT: adrp x9, .LCPI16_1
-; CHECK-NEXT: mov v1.16b, v0.16b
-; CHECK-NEXT: ldr q3, [x8, :lo12:.LCPI16_0]
-; CHECK-NEXT: ldr q4, [x9, :lo12:.LCPI16_1]
-; CHECK-NEXT: tbl v0.16b, { v1.16b, v2.16b }, v3.16b
-; CHECK-NEXT: tbl v1.16b, { v1.16b, v2.16b }, v4.16b
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v32i8:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: // kill: def $q2 killed $q2 def $q1_q2
+; CHECK-SD-NEXT: adrp x8, .LCPI16_0
+; CHECK-SD-NEXT: adrp x9, .LCPI16_1
+; CHECK-SD-NEXT: mov v1.16b, v0.16b
+; CHECK-SD-NEXT: ldr q3, [x8, :lo12:.LCPI16_0]
+; CHECK-SD-NEXT: ldr q4, [x9, :lo12:.LCPI16_1]
+; CHECK-SD-NEXT: tbl v0.16b, { v1.16b, v2.16b }, v3.16b
+; CHECK-SD-NEXT: tbl v1.16b, { v1.16b, v2.16b }, v4.16b
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v32i8:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: mov v3.16b, v0.16b
+; CHECK-GI-NEXT: adrp x8, .LCPI16_1
+; CHECK-GI-NEXT: adrp x9, .LCPI16_0
+; CHECK-GI-NEXT: mov v4.16b, v2.16b
+; CHECK-GI-NEXT: ldr q0, [x8, :lo12:.LCPI16_1]
+; CHECK-GI-NEXT: ldr q1, [x9, :lo12:.LCPI16_0]
+; CHECK-GI-NEXT: tbl v0.16b, { v3.16b, v4.16b }, v0.16b
+; CHECK-GI-NEXT: tbl v1.16b, { v3.16b, v4.16b }, v1.16b
+; CHECK-GI-NEXT: ret
%c = shufflevector <32 x i8> %a, <32 x i8> %b, <32 x i32> <i32 0, i32 32, i32 32, i32 32, i32 1, i32 32, i32 32, i32 32, i32 2, i32 32, i32 32, i32 32, i32 3, i32 32, i32 32, i32 32, i32 4, i32 32, i32 32, i32 32, i32 5, i32 32, i32 32, i32 32, i32 6, i32 32, i32 32, i32 32, i32 7, i32 32, i32 32, i32 32>
ret <32 x i8> %c
}
define i32 @shufflevector_v2i16(<2 x i16> %a, <2 x i16> %b){
-; CHECK-LABEL: shufflevector_v2i16:
-; CHECK: // %bb.0:
-; CHECK-NEXT: sub sp, sp, #16
-; CHECK-NEXT: .cfi_def_cfa_offset 16
-; CHECK-NEXT: ext v0.8b, v0.8b, v1.8b, #4
-; CHECK-NEXT: mov w8, v0.s[1]
-; CHECK-NEXT: fmov w9, s0
-; CHECK-NEXT: strh w9, [sp, #12]
-; CHECK-NEXT: strh w8, [sp, #14]
-; CHECK-NEXT: ldr w0, [sp, #12]
-; CHECK-NEXT: add sp, sp, #16
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v2i16:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: sub sp, sp, #16
+; CHECK-SD-NEXT: .cfi_def_cfa_offset 16
+; CHECK-SD-NEXT: ext v0.8b, v0.8b, v1.8b, #4
+; CHECK-SD-NEXT: mov w8, v0.s[1]
+; CHECK-SD-NEXT: fmov w9, s0
+; CHECK-SD-NEXT: strh w9, [sp, #12]
+; CHECK-SD-NEXT: strh w8, [sp, #14]
+; CHECK-SD-NEXT: ldr w0, [sp, #12]
+; CHECK-SD-NEXT: add sp, sp, #16
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v2i16:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-GI-NEXT: mov s2, v0.s[1]
+; CHECK-GI-NEXT: // kill: def $d1 killed $d1 def $q1
+; CHECK-GI-NEXT: mov s3, v1.s[1]
+; CHECK-GI-NEXT: adrp x8, .LCPI17_0
+; CHECK-GI-NEXT: mov v0.h[1], v2.h[0]
+; CHECK-GI-NEXT: mov v1.h[1], v3.h[0]
+; CHECK-GI-NEXT: mov v0.h[2], v0.h[0]
+; CHECK-GI-NEXT: mov v1.h[2], v0.h[0]
+; CHECK-GI-NEXT: mov v0.h[3], v0.h[0]
+; CHECK-GI-NEXT: mov v1.h[3], v0.h[0]
+; CHECK-GI-NEXT: mov v0.d[1], v1.d[0]
+; CHECK-GI-NEXT: ldr d1, [x8, :lo12:.LCPI17_0]
+; CHECK-GI-NEXT: tbl v0.16b, { v0.16b }, v1.16b
+; CHECK-GI-NEXT: fmov w0, s0
+; CHECK-GI-NEXT: ret
%c = shufflevector <2 x i16> %a, <2 x i16> %b, <2 x i32> <i32 1, i32 2>
%d = bitcast <2 x i16> %c to i32
ret i32 %d
}
define <16 x i16> @shufflevector_v16i16(<16 x i16> %a, <16 x i16> %b){
-; CHECK-LABEL: shufflevector_v16i16:
-; CHECK: // %bb.0:
-; CHECK-NEXT: // kill: def $q2 killed $q2 def $q1_q2
-; CHECK-NEXT: adrp x8, .LCPI18_0
-; CHECK-NEXT: adrp x9, .LCPI18_1
-; CHECK-NEXT: mov v1.16b, v0.16b
-; CHECK-NEXT: ldr q3, [x8, :lo12:.LCPI18_0]
-; CHECK-NEXT: ldr q4, [x9, :lo12:.LCPI18_1]
-; CHECK-NEXT: tbl v0.16b, { v1.16b, v2.16b }, v3.16b
-; CHECK-NEXT: tbl v1.16b, { v1.16b, v2.16b }, v4.16b
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v16i16:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: // kill: def $q2 killed $q2 def $q1_q2
+; CHECK-SD-NEXT: adrp x8, .LCPI18_0
+; CHECK-SD-NEXT: adrp x9, .LCPI18_1
+; CHECK-SD-NEXT: mov v1.16b, v0.16b
+; CHECK-SD-NEXT: ldr q3, [x8, :lo12:.LCPI18_0]
+; CHECK-SD-NEXT: ldr q4, [x9, :lo12:.LCPI18_1]
+; CHECK-SD-NEXT: tbl v0.16b, { v1.16b, v2.16b }, v3.16b
+; CHECK-SD-NEXT: tbl v1.16b, { v1.16b, v2.16b }, v4.16b
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v16i16:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: mov v3.16b, v0.16b
+; CHECK-GI-NEXT: adrp x8, .LCPI18_1
+; CHECK-GI-NEXT: adrp x9, .LCPI18_0
+; CHECK-GI-NEXT: mov v4.16b, v2.16b
+; CHECK-GI-NEXT: ldr q0, [x8, :lo12:.LCPI18_1]
+; CHECK-GI-NEXT: ldr q1, [x9, :lo12:.LCPI18_0]
+; CHECK-GI-NEXT: tbl v0.16b, { v3.16b, v4.16b }, v0.16b
+; CHECK-GI-NEXT: tbl v1.16b, { v3.16b, v4.16b }, v1.16b
+; CHECK-GI-NEXT: ret
%c = shufflevector <16 x i16> %a, <16 x i16> %b, <16 x i32> <i32 0, i32 16, i32 16, i32 16, i32 1, i32 16, i32 16, i32 16, i32 1, i32 16, i32 16, i32 16, i32 3, i32 16, i32 16, i32 16>
ret <16 x i16> %c
}
@@ -332,16 +398,23 @@ define <2 x i1> @shufflevector_v2i1_zeroes(<2 x i1> %a, <2 x i1> %b){
}
define i32 @shufflevector_v4i8_zeroes(<4 x i8> %a, <4 x i8> %b){
-; CHECK-LABEL: shufflevector_v4i8_zeroes:
-; CHECK: // %bb.0:
-; CHECK-NEXT: sub sp, sp, #16
-; CHECK-NEXT: .cfi_def_cfa_offset 16
-; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
-; CHECK-NEXT: dup v0.4h, v0.h[0]
-; CHECK-NEXT: xtn v0.8b, v0.8h
-; CHECK-NEXT: fmov w0, s0
-; CHECK-NEXT: add sp, sp, #16
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v4i8_zeroes:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: sub sp, sp, #16
+; CHECK-SD-NEXT: .cfi_def_cfa_offset 16
+; CHECK-SD-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-SD-NEXT: dup v0.4h, v0.h[0]
+; CHECK-SD-NEXT: xtn v0.8b, v0.8h
+; CHECK-SD-NEXT: fmov w0, s0
+; CHECK-SD-NEXT: add sp, sp, #16
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v4i8_zeroes:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: fmov w8, s0
+; CHECK-GI-NEXT: dup v0.8b, w8
+; CHECK-GI-NEXT: fmov w0, s0
+; CHECK-GI-NEXT: ret
%c = shufflevector <4 x i8> %a, <4 x i8> %b, <4 x i32> <i32 0, i32 0, i32 0, i32 0>
%d = bitcast <4 x i8> %c to i32
ret i32 %d
@@ -358,19 +431,26 @@ define <32 x i8> @shufflevector_v32i8_zeroes(<32 x i8> %a, <32 x i8> %b){
}
define i32 @shufflevector_v2i16_zeroes(<2 x i16> %a, <2 x i16> %b){
-; CHECK-LABEL: shufflevector_v2i16_zeroes:
-; CHECK: // %bb.0:
-; CHECK-NEXT: sub sp, sp, #16
-; CHECK-NEXT: .cfi_def_cfa_offset 16
-; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
-; CHECK-NEXT: dup v1.2s, v0.s[0]
-; CHECK-NEXT: fmov w9, s0
-; CHECK-NEXT: strh w9, [sp, #12]
-; CHECK-NEXT: mov w8, v1.s[1]
-; CHECK-NEXT: strh w8, [sp, #14]
-; CHECK-NEXT: ldr w0, [sp, #12]
-; CHECK-NEXT: add sp, sp, #16
-; CHECK-NEXT: ret
+; CHECK-SD-LABEL: shufflevector_v2i16_zeroes:
+; CHECK-SD: // %bb.0:
+; CHECK-SD-NEXT: sub sp, sp, #16
+; CHECK-SD-NEXT: .cfi_def_cfa_offset 16
+; CHECK-SD-NEXT: // kill: def $d0 killed $d0 def $q0
+; CHECK-SD-NEXT: dup v1.2s, v0.s[0]
+; CHECK-SD-NEXT: fmov w9, s0
+; CHECK-SD-NEXT: strh w9, [sp, #12]
+; CHECK-SD-NEXT: mov w8, v1.s[1]
+; CHECK-SD-NEXT: strh w8, [sp, #14]
+; CHECK-SD-NEXT: ldr w0, [sp, #12]
+; CHECK-SD-NEXT: add sp, sp, #16
+; CHECK-SD-NEXT: ret
+;
+; CHECK-GI-LABEL: shufflevector_v2i16_zeroes:
+; CHECK-GI: // %bb.0:
+; CHECK-GI-NEXT: fmov w8, s0
+; CHECK-GI-NEXT: dup v0.4h, w8
+; CHECK-GI-NEXT: fmov w0, s0
+; CHECK-GI-NEXT: ret
%c = shufflevector <2 x i16> %a, <2 x i16> %b, <2 x i32> <i32 0, i32 0>
%d = bitcast <2 x i16> %c to i32
ret i32 %d
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