[llvm] d3ce069 - [AArch64][GlobalISel] Legalize ptr shuffle vector to s64 (#116013)

via llvm-commits llvm-commits at lists.llvm.org
Sat Nov 23 09:00:54 PST 2024


Author: David Green
Date: 2024-11-23T17:00:51Z
New Revision: d3ce069572cb565da613df9828ac54f7edb2fc00

URL: https://github.com/llvm/llvm-project/commit/d3ce069572cb565da613df9828ac54f7edb2fc00
DIFF: https://github.com/llvm/llvm-project/commit/d3ce069572cb565da613df9828ac54f7edb2fc00.diff

LOG: [AArch64][GlobalISel] Legalize ptr shuffle vector to s64 (#116013)

This converts all ptr element shuffle vectors to s64, so that the
existing vector legalization handling can lower them as needed. This
prevents a lot of fallbacks that currently try to generate things like
`<2 x ptr> G_EXT`.

I'm not sure if bitcast/inttoptr/ptrtoint is intended to be necessary
for vectors of pointers, but it uses buildCast for the casts, which now
generates a ptrtoint/inttoptr.

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
    llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
    llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
    llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
    llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
    llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir
    llvm/test/CodeGen/AArch64/arm64-ext.ll
    llvm/test/CodeGen/AArch64/neon-perm.ll
    llvm/test/CodeGen/AArch64/neon-vector-splat.ll
    llvm/test/CodeGen/AArch64/shufflevector.ll

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
index f682b20816d57f..2384b22c052662 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerHelper.h
@@ -378,6 +378,8 @@ class LegalizerHelper {
                                         LLT CastTy);
   LegalizeResult bitcastConcatVector(MachineInstr &MI, unsigned TypeIdx,
                                      LLT CastTy);
+  LegalizeResult bitcastShuffleVector(MachineInstr &MI, unsigned TypeIdx,
+                                      LLT CastTy);
   LegalizeResult bitcastExtractSubvector(MachineInstr &MI, unsigned TypeIdx,
                                          LLT CastTy);
   LegalizeResult bitcastInsertSubvector(MachineInstr &MI, unsigned TypeIdx,

diff  --git a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
index 8b1c11a6f41301..b681a0708db4b9 100644
--- a/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
+++ b/llvm/include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
@@ -292,6 +292,9 @@ LegalityPredicate isPointer(unsigned TypeIdx);
 /// True iff the specified type index is a pointer with the specified address
 /// space.
 LegalityPredicate isPointer(unsigned TypeIdx, unsigned AddrSpace);
+/// True iff the specified type index is a vector of pointers (with any address
+/// space).
+LegalityPredicate isPointerVector(unsigned TypeIdx);
 
 /// True if the type index is a vector with element type \p EltTy
 LegalityPredicate elementTypeIs(unsigned TypeIdx, LLT EltTy);

diff  --git a/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp b/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
index b7541effafe5ce..30c2d089c31214 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalityPredicates.cpp
@@ -101,6 +101,12 @@ LegalityPredicate LegalityPredicates::isPointer(unsigned TypeIdx,
   };
 }
 
+LegalityPredicate LegalityPredicates::isPointerVector(unsigned TypeIdx) {
+  return [=](const LegalityQuery &Query) {
+    return Query.Types[TypeIdx].isPointerVector();
+  };
+}
+
 LegalityPredicate LegalityPredicates::elementTypeIs(unsigned TypeIdx,
                                                     LLT EltTy) {
   return [=](const LegalityQuery &Query) {

diff  --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 062dbbe904de33..321760ef822bc2 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -3697,6 +3697,41 @@ LegalizerHelper::bitcastConcatVector(MachineInstr &MI, unsigned TypeIdx,
   return Legalized;
 }
 
+// This bitcasts a shuffle vector to a 
diff erent type currently of the same
+// element size. Mostly used to legalize ptr vectors, where ptrtoint/inttoptr
+// will be used instead.
+//
+// <16 x p0> = G_CONCAT_VECTORS <4 x p0>, <4 x p0>, mask
+// ===>
+// <4 x s64> = G_PTRTOINT <4 x p0>
+// <4 x s64> = G_PTRTOINT <4 x p0>
+// <16 x s64> = G_CONCAT_VECTORS <4 x s64>, <4 x s64>, mask
+// <16 x p0> = G_INTTOPTR <16 x s64>
+LegalizerHelper::LegalizeResult
+LegalizerHelper::bitcastShuffleVector(MachineInstr &MI, unsigned TypeIdx,
+                                      LLT CastTy) {
+  auto ShuffleMI = cast<GShuffleVector>(&MI);
+  LLT DstTy = MRI.getType(ShuffleMI->getReg(0));
+  LLT SrcTy = MRI.getType(ShuffleMI->getReg(1));
+
+  // We currently only handle vectors of the same size.
+  if (TypeIdx != 0 ||
+      CastTy.getScalarSizeInBits() != DstTy.getScalarSizeInBits() ||
+      CastTy.getElementCount() != DstTy.getElementCount())
+    return UnableToLegalize;
+
+  LLT NewSrcTy = SrcTy.changeElementType(CastTy.getScalarType());
+
+  auto Inp1 = MIRBuilder.buildCast(NewSrcTy, ShuffleMI->getReg(1));
+  auto Inp2 = MIRBuilder.buildCast(NewSrcTy, ShuffleMI->getReg(2));
+  auto Shuf =
+      MIRBuilder.buildShuffleVector(CastTy, Inp1, Inp2, ShuffleMI->getMask());
+  MIRBuilder.buildCast(ShuffleMI->getReg(0), Shuf);
+
+  MI.eraseFromParent();
+  return Legalized;
+}
+
 /// This attempts to bitcast G_EXTRACT_SUBVECTOR to CastTy.
 ///
 ///  <vscale x 8 x i1> = G_EXTRACT_SUBVECTOR <vscale x 16 x i1>, N
@@ -4133,6 +4168,8 @@ LegalizerHelper::bitcast(MachineInstr &MI, unsigned TypeIdx, LLT CastTy) {
     return bitcastInsertVectorElt(MI, TypeIdx, CastTy);
   case TargetOpcode::G_CONCAT_VECTORS:
     return bitcastConcatVector(MI, TypeIdx, CastTy);
+  case TargetOpcode::G_SHUFFLE_VECTOR:
+    return bitcastShuffleVector(MI, TypeIdx, CastTy);
   case TargetOpcode::G_EXTRACT_SUBVECTOR:
     return bitcastExtractSubvector(MI, TypeIdx, CastTy);
   case TargetOpcode::G_INSERT_SUBVECTOR:

diff  --git a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
index d910e33ac40f65..be347006a81f92 100644
--- a/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/MachineIRBuilder.cpp
@@ -600,12 +600,13 @@ MachineInstrBuilder MachineIRBuilder::buildCast(const DstOp &Dst,
     return buildCopy(Dst, Src);
 
   unsigned Opcode;
-  if (SrcTy.isPointer() && DstTy.isScalar())
+  if (SrcTy.isPointerOrPointerVector())
     Opcode = TargetOpcode::G_PTRTOINT;
-  else if (DstTy.isPointer() && SrcTy.isScalar())
+  else if (DstTy.isPointerOrPointerVector())
     Opcode = TargetOpcode::G_INTTOPTR;
   else {
-    assert(!SrcTy.isPointer() && !DstTy.isPointer() && "n G_ADDRCAST yet");
+    assert(!SrcTy.isPointerOrPointerVector() &&
+           !DstTy.isPointerOrPointerVector() && "no G_ADDRCAST yet");
     Opcode = TargetOpcode::G_BITCAST;
   }
 

diff  --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
index c8f01068f72189..9c1bbafd337e93 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
@@ -840,13 +840,15 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
   getActionDefinitionsBuilder(G_PTRTOINT)
       .legalFor({{s64, p0}, {v2s64, v2p0}})
       .widenScalarToNextPow2(0, 64)
-      .clampScalar(0, s64, s64);
+      .clampScalar(0, s64, s64)
+      .clampMaxNumElements(0, s64, 2);
 
   getActionDefinitionsBuilder(G_INTTOPTR)
       .unsupportedIf([&](const LegalityQuery &Query) {
         return Query.Types[0].getSizeInBits() != Query.Types[1].getSizeInBits();
       })
-      .legalFor({{p0, s64}, {v2p0, v2s64}});
+      .legalFor({{p0, s64}, {v2p0, v2s64}})
+      .clampMaxNumElements(1, s64, 2);
 
   // Casts for 32 and 64-bit width type are just copies.
   // Same for 128-bit width type, except they are on the FPR bank.
@@ -1053,7 +1055,7 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
         if (DstTy != SrcTy)
           return false;
         return llvm::is_contained(
-            {v2s64, v2p0, v2s32, v4s32, v4s16, v16s8, v8s8, v8s16}, DstTy);
+            {v2s64, v2s32, v4s32, v4s16, v16s8, v8s8, v8s16}, DstTy);
       })
       // G_SHUFFLE_VECTOR can have scalar sources (from 1 x s vectors), we
       // just want those lowered into G_BUILD_VECTOR
@@ -1079,7 +1081,12 @@ AArch64LegalizerInfo::AArch64LegalizerInfo(const AArch64Subtarget &ST)
       .clampNumElements(0, v8s8, v16s8)
       .clampNumElements(0, v4s16, v8s16)
       .clampNumElements(0, v4s32, v4s32)
-      .clampNumElements(0, v2s64, v2s64);
+      .clampNumElements(0, v2s64, v2s64)
+      .bitcastIf(isPointerVector(0), [=](const LegalityQuery &Query) {
+        // Bitcast pointers vector to i64.
+        const LLT DstTy = Query.Types[0];
+        return std::pair(0, LLT::vector(DstTy.getElementCount(), 64));
+      });
 
   getActionDefinitionsBuilder(G_CONCAT_VECTORS)
       .legalFor({{v4s32, v2s32}, {v8s16, v4s16}, {v16s8, v8s8}})

diff  --git a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir
index c92718f9e9b3c7..2464026aa125b5 100644
--- a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir
+++ b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-shuffle-vector.mir
@@ -59,8 +59,11 @@ body:             |
     ; CHECK-NEXT: {{  $}}
     ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x p0>) = COPY $q0
     ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x p0>) = COPY $q1
-    ; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<2 x p0>) = G_SHUFFLE_VECTOR [[COPY]](<2 x p0>), [[COPY1]], shufflemask(0, 0)
-    ; CHECK-NEXT: $q0 = COPY [[SHUF]](<2 x p0>)
+    ; CHECK-NEXT: [[PTRTOINT:%[0-9]+]]:_(<2 x s64>) = G_PTRTOINT [[COPY]](<2 x p0>)
+    ; CHECK-NEXT: [[PTRTOINT1:%[0-9]+]]:_(<2 x s64>) = G_PTRTOINT [[COPY1]](<2 x p0>)
+    ; CHECK-NEXT: [[SHUF:%[0-9]+]]:_(<2 x s64>) = G_SHUFFLE_VECTOR [[PTRTOINT]](<2 x s64>), [[PTRTOINT1]], shufflemask(0, 0)
+    ; CHECK-NEXT: [[INTTOPTR:%[0-9]+]]:_(<2 x p0>) = G_INTTOPTR [[SHUF]](<2 x s64>)
+    ; CHECK-NEXT: $q0 = COPY [[INTTOPTR]](<2 x p0>)
     ; CHECK-NEXT: RET_ReallyLR implicit $q0
     %0:_(<2 x p0>) = COPY $q0
     %1:_(<2 x p0>) = COPY $q1

diff  --git a/llvm/test/CodeGen/AArch64/arm64-ext.ll b/llvm/test/CodeGen/AArch64/arm64-ext.ll
index e32d83327fe424..50df6a0388587b 100644
--- a/llvm/test/CodeGen/AArch64/arm64-ext.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-ext.ll
@@ -1,8 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
 ; RUN: llc < %s -mtriple=arm64-eabi -global-isel=0 | FileCheck %s --check-prefixes=CHECK,CHECK-SD
-; RUN: llc < %s -mtriple=arm64-eabi -global-isel=1 -global-isel-abort=2 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
-
-; CHECK-GI:       warning: Instruction selection used fallback path for test_v2p0
+; RUN: llc < %s -mtriple=arm64-eabi -global-isel=1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
 
 define <8 x i8> @test_vextd(<8 x i8> %tmp1, <8 x i8> %tmp2) {
 ; CHECK-LABEL: test_vextd:

diff  --git a/llvm/test/CodeGen/AArch64/neon-perm.ll b/llvm/test/CodeGen/AArch64/neon-perm.ll
index def0f15790a9ba..7218204ba844ca 100644
--- a/llvm/test/CodeGen/AArch64/neon-perm.ll
+++ b/llvm/test/CodeGen/AArch64/neon-perm.ll
@@ -1,13 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s --check-prefixes=CHECK,CHECK-SD
-; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon -global-isel -global-isel-abort=2 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
-
-; CHECK-GI:       warning: Instruction selection used fallback path for test_vuzp1q_p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for test_vuzp2q_p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for test_vzip1q_p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for test_vzip2q_p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for test_vtrn1q_p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for test_vtrn2q_p0
+; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon -global-isel | FileCheck %s --check-prefixes=CHECK,CHECK-GI
 
 %struct.int8x8x2_t = type { [2 x <8 x i8>] }
 %struct.int16x4x2_t = type { [2 x <4 x i16>] }

diff  --git a/llvm/test/CodeGen/AArch64/neon-vector-splat.ll b/llvm/test/CodeGen/AArch64/neon-vector-splat.ll
index 489eaf179a1bd2..d3846cab46f55d 100644
--- a/llvm/test/CodeGen/AArch64/neon-vector-splat.ll
+++ b/llvm/test/CodeGen/AArch64/neon-vector-splat.ll
@@ -1,8 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -global-isel=0 | FileCheck %s --check-prefixes=CHECK,CHECK-SD
-; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -global-isel=1 -global-isel-abort=2 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
-
-; CHECK-GI:       warning: Instruction selection used fallback path for shuffle8
+; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -global-isel=1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI
 
 define <2 x i32> @shuffle(ptr %P) {
 ; CHECK-SD-LABEL: shuffle:
@@ -116,10 +114,16 @@ define <2 x i64> @shuffle7(ptr %P) {
 }
 
 define <2 x ptr> @shuffle8(ptr %P) {
-; CHECK-LABEL: shuffle8:
-; CHECK:       // %bb.0:
-; CHECK-NEXT:    ld1r { v0.2d }, [x0]
-; CHECK-NEXT:    ret
+; CHECK-SD-LABEL: shuffle8:
+; CHECK-SD:       // %bb.0:
+; CHECK-SD-NEXT:    ld1r { v0.2d }, [x0]
+; CHECK-SD-NEXT:    ret
+;
+; CHECK-GI-LABEL: shuffle8:
+; CHECK-GI:       // %bb.0:
+; CHECK-GI-NEXT:    ldr q0, [x0]
+; CHECK-GI-NEXT:    dup v0.2d, v0.d[0]
+; CHECK-GI-NEXT:    ret
   %lv2ptr = load <2 x ptr>, ptr %P
   %sv2ptr = shufflevector <2 x ptr> %lv2ptr, <2 x ptr> undef, <2 x i32> zeroinitializer
   ret <2 x ptr> %sv2ptr

diff  --git a/llvm/test/CodeGen/AArch64/shufflevector.ll b/llvm/test/CodeGen/AArch64/shufflevector.ll
index 69d3174581e3ef..0f5b240e387ed0 100644
--- a/llvm/test/CodeGen/AArch64/shufflevector.ll
+++ b/llvm/test/CodeGen/AArch64/shufflevector.ll
@@ -1,11 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
 ; RUN: llc -mtriple=aarch64-none-linux-gnu %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD
-; 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_v2p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for shufflevector_v2p0_zeroes
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for shufflevector_v4p0
-; CHECK-GI-NEXT:  warning: Instruction selection used fallback path for shufflevector_v4p0_zeroes
+; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-GI
 
 ; ===== Legal Vector Types =====
 
@@ -392,13 +387,49 @@ define <4 x i64> @shufflevector_v4i64(<4 x i64> %a, <4 x i64> %b) {
     ret <4 x i64> %c
 }
 
+define <3 x ptr> @shufflevector_v3p0(<3 x ptr> %a, <3 x ptr> %b) {
+; CHECK-SD-LABEL: shufflevector_v3p0:
+; CHECK-SD:       // %bb.0:
+; CHECK-SD-NEXT:    fmov d2, d5
+; CHECK-SD-NEXT:    fmov d0, d1
+; CHECK-SD-NEXT:    fmov d1, d3
+; CHECK-SD-NEXT:    ret
+;
+; CHECK-GI-LABEL: shufflevector_v3p0:
+; CHECK-GI:       // %bb.0:
+; CHECK-GI-NEXT:    fmov x8, d0
+; CHECK-GI-NEXT:    fmov x9, d3
+; CHECK-GI-NEXT:    mov v0.d[0], x8
+; CHECK-GI-NEXT:    mov v2.d[0], x9
+; CHECK-GI-NEXT:    fmov x8, d1
+; CHECK-GI-NEXT:    fmov x9, d4
+; CHECK-GI-NEXT:    mov v0.d[1], x8
+; CHECK-GI-NEXT:    mov v2.d[1], x9
+; CHECK-GI-NEXT:    fmov x8, d5
+; CHECK-GI-NEXT:    mov v1.d[0], x8
+; CHECK-GI-NEXT:    ext v0.16b, v0.16b, v2.16b, #8
+; CHECK-GI-NEXT:    fmov x10, d1
+; CHECK-GI-NEXT:    mov d2, v0.d[1]
+; CHECK-GI-NEXT:    fmov d1, d2
+; CHECK-GI-NEXT:    fmov d2, x10
+; CHECK-GI-NEXT:    ret
+    %c = shufflevector <3 x ptr> %a, <3 x ptr> %b, <3 x i32> <i32 1, i32 3, i32 5>
+    ret <3 x ptr> %c
+}
+
 define <4 x ptr> @shufflevector_v4p0(<4 x ptr> %a, <4 x ptr> %b) {
-; CHECK-LABEL: shufflevector_v4p0:
-; CHECK:       // %bb.0:
-; CHECK-NEXT:    zip2 v2.2d, v2.2d, v3.2d
-; CHECK-NEXT:    zip2 v0.2d, v0.2d, v1.2d
-; CHECK-NEXT:    mov v1.16b, v2.16b
-; CHECK-NEXT:    ret
+; CHECK-SD-LABEL: shufflevector_v4p0:
+; CHECK-SD:       // %bb.0:
+; CHECK-SD-NEXT:    zip2 v2.2d, v2.2d, v3.2d
+; CHECK-SD-NEXT:    zip2 v0.2d, v0.2d, v1.2d
+; CHECK-SD-NEXT:    mov v1.16b, v2.16b
+; CHECK-SD-NEXT:    ret
+;
+; CHECK-GI-LABEL: shufflevector_v4p0:
+; CHECK-GI:       // %bb.0:
+; CHECK-GI-NEXT:    zip2 v0.2d, v0.2d, v1.2d
+; CHECK-GI-NEXT:    zip2 v1.2d, v2.2d, v3.2d
+; CHECK-GI-NEXT:    ret
     %c = shufflevector <4 x ptr> %a, <4 x ptr> %b, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
     ret <4 x ptr> %c
 }
@@ -549,13 +580,13 @@ define <3 x i8> @shufflevector_v3i8(<3 x i8> %a, <3 x i8> %b) {
 ; CHECK-GI:       // %bb.0:
 ; CHECK-GI-NEXT:    fmov s0, w0
 ; CHECK-GI-NEXT:    fmov s1, w3
-; CHECK-GI-NEXT:    adrp x8, .LCPI34_0
+; CHECK-GI-NEXT:    adrp x8, .LCPI35_0
 ; CHECK-GI-NEXT:    mov v0.b[1], w1
 ; CHECK-GI-NEXT:    mov v1.b[1], w4
 ; CHECK-GI-NEXT:    mov v0.b[2], w2
 ; CHECK-GI-NEXT:    mov v1.b[2], w5
 ; CHECK-GI-NEXT:    mov v0.d[1], v1.d[0]
-; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI34_0]
+; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI35_0]
 ; CHECK-GI-NEXT:    tbl v0.16b, { v0.16b }, v1.16b
 ; CHECK-GI-NEXT:    umov w0, v0.b[0]
 ; CHECK-GI-NEXT:    umov w1, v0.b[1]
@@ -570,9 +601,9 @@ define <7 x i8> @shufflevector_v7i8(<7 x i8> %a, <7 x i8> %b) {
 ; CHECK-SD:       // %bb.0:
 ; CHECK-SD-NEXT:    // kill: def $d0 killed $d0 def $q0
 ; CHECK-SD-NEXT:    // kill: def $d1 killed $d1 def $q1
-; CHECK-SD-NEXT:    adrp x8, .LCPI35_0
+; CHECK-SD-NEXT:    adrp x8, .LCPI36_0
 ; CHECK-SD-NEXT:    mov v0.d[1], v1.d[0]
-; CHECK-SD-NEXT:    ldr d1, [x8, :lo12:.LCPI35_0]
+; CHECK-SD-NEXT:    ldr d1, [x8, :lo12:.LCPI36_0]
 ; CHECK-SD-NEXT:    tbl v0.8b, { v0.16b }, v1.8b
 ; CHECK-SD-NEXT:    ret
 ;
@@ -580,9 +611,9 @@ define <7 x i8> @shufflevector_v7i8(<7 x i8> %a, <7 x i8> %b) {
 ; CHECK-GI:       // %bb.0:
 ; CHECK-GI-NEXT:    // kill: def $d0 killed $d0 def $q0
 ; CHECK-GI-NEXT:    // kill: def $d1 killed $d1 def $q1
-; CHECK-GI-NEXT:    adrp x8, .LCPI35_0
+; CHECK-GI-NEXT:    adrp x8, .LCPI36_0
 ; CHECK-GI-NEXT:    mov v0.d[1], v1.d[0]
-; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI35_0]
+; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI36_0]
 ; CHECK-GI-NEXT:    tbl v0.16b, { v0.16b }, v1.16b
 ; CHECK-GI-NEXT:    // kill: def $d0 killed $d0 killed $q0
 ; CHECK-GI-NEXT:    ret
@@ -601,9 +632,9 @@ define <3 x i16> @shufflevector_v3i16(<3 x i16> %a, <3 x i16> %b) {
 ; CHECK-GI:       // %bb.0:
 ; CHECK-GI-NEXT:    // kill: def $d0 killed $d0 def $q0
 ; CHECK-GI-NEXT:    // kill: def $d1 killed $d1 def $q1
-; CHECK-GI-NEXT:    adrp x8, .LCPI36_0
+; CHECK-GI-NEXT:    adrp x8, .LCPI37_0
 ; CHECK-GI-NEXT:    mov v0.d[1], v1.d[0]
-; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI36_0]
+; CHECK-GI-NEXT:    ldr d1, [x8, :lo12:.LCPI37_0]
 ; CHECK-GI-NEXT:    tbl v0.16b, { v0.16b }, v1.16b
 ; CHECK-GI-NEXT:    // kill: def $d0 killed $d0 killed $q0
 ; CHECK-GI-NEXT:    ret
@@ -614,18 +645,18 @@ define <3 x i16> @shufflevector_v3i16(<3 x i16> %a, <3 x i16> %b) {
 define <7 x i16> @shufflevector_v7i16(<7 x i16> %a, <7 x i16> %b) {
 ; CHECK-SD-LABEL: shufflevector_v7i16:
 ; CHECK-SD:       // %bb.0:
-; CHECK-SD-NEXT:    adrp x8, .LCPI37_0
+; CHECK-SD-NEXT:    adrp x8, .LCPI38_0
 ; CHECK-SD-NEXT:    // kill: def $q1 killed $q1 killed $q0_q1 def $q0_q1
-; CHECK-SD-NEXT:    ldr q2, [x8, :lo12:.LCPI37_0]
+; CHECK-SD-NEXT:    ldr q2, [x8, :lo12:.LCPI38_0]
 ; CHECK-SD-NEXT:    // kill: def $q0 killed $q0 killed $q0_q1 def $q0_q1
 ; CHECK-SD-NEXT:    tbl v0.16b, { v0.16b, v1.16b }, v2.16b
 ; CHECK-SD-NEXT:    ret
 ;
 ; CHECK-GI-LABEL: shufflevector_v7i16:
 ; CHECK-GI:       // %bb.0:
-; CHECK-GI-NEXT:    adrp x8, .LCPI37_0
+; CHECK-GI-NEXT:    adrp x8, .LCPI38_0
 ; CHECK-GI-NEXT:    // kill: def $q0 killed $q0 killed $q0_q1 def $q0_q1
-; CHECK-GI-NEXT:    ldr q2, [x8, :lo12:.LCPI37_0]
+; CHECK-GI-NEXT:    ldr q2, [x8, :lo12:.LCPI38_0]
 ; CHECK-GI-NEXT:    // kill: def $q1 killed $q1 killed $q0_q1 def $q0_q1
 ; CHECK-GI-NEXT:    tbl v0.16b, { v0.16b, v1.16b }, v2.16b
 ; CHECK-GI-NEXT:    ret
@@ -642,9 +673,9 @@ define <3 x i32> @shufflevector_v3i32(<3 x i32> %a, <3 x i32> %b) {
 ;
 ; CHECK-GI-LABEL: shufflevector_v3i32:
 ; CHECK-GI:       // %bb.0:
-; CHECK-GI-NEXT:    adrp x8, .LCPI38_0
+; CHECK-GI-NEXT:    adrp x8, .LCPI39_0
 ; CHECK-GI-NEXT:    // kill: def $q0 killed $q0 killed $q0_q1 def $q0_q1
-; CHECK-GI-NEXT:    ldr q2, [x8, :lo12:.LCPI38_0]
+; CHECK-GI-NEXT:    ldr q2, [x8, :lo12:.LCPI39_0]
 ; CHECK-GI-NEXT:    // kill: def $q1 killed $q1 killed $q0_q1 def $q0_q1
 ; CHECK-GI-NEXT:    tbl v0.16b, { v0.16b, v1.16b }, v2.16b
 ; CHECK-GI-NEXT:    ret


        


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