[clang] f4bba07 - [ARM][MVE][Intrinsics] Add MVE VABD intrinsics. Add unit tests.

Mark Murray via cfe-commits cfe-commits at lists.llvm.org
Wed Nov 27 08:52:25 PST 2019


Author: Mark Murray
Date: 2019-11-27T16:52:04Z
New Revision: f4bba07b87ce7ad60d908d2fe02abe88d2d48fa4

URL: https://github.com/llvm/llvm-project/commit/f4bba07b87ce7ad60d908d2fe02abe88d2d48fa4
DIFF: https://github.com/llvm/llvm-project/commit/f4bba07b87ce7ad60d908d2fe02abe88d2d48fa4.diff

LOG: [ARM][MVE][Intrinsics] Add MVE VABD intrinsics. Add unit tests.

Summary: Add MVE VABD intrinsics. Add unit tests.

Reviewers: simon_tatham, ostannard, dmgreen

Subscribers: kristof.beyls, hiraditya, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D70545

Added: 
    clang/test/CodeGen/arm-mve-intrinsics/vabdq.c
    llvm/test/CodeGen/Thumb2/mve-intrinsics/vabdq.ll

Modified: 
    clang/include/clang/Basic/arm_mve.td
    llvm/include/llvm/IR/IntrinsicsARM.td
    llvm/lib/Target/ARM/ARMInstrMVE.td

Removed: 
    


################################################################################
diff  --git a/clang/include/clang/Basic/arm_mve.td b/clang/include/clang/Basic/arm_mve.td
index d8d199f464d9..0d827485ae40 100644
--- a/clang/include/clang/Basic/arm_mve.td
+++ b/clang/include/clang/Basic/arm_mve.td
@@ -28,6 +28,7 @@ foreach n = [ 2, 4 ] in {
                               "Intrinsic::arm_mve_vld"#n#"q":$IRIntr)>;
 }
 
+
 let params = T.Int in {
 def vaddq: Intrinsic<Vector, (args Vector:$a, Vector:$b), (add $a, $b)>;
 def vsubq: Intrinsic<Vector, (args Vector:$a, Vector:$b), (sub $a, $b)>;
@@ -41,6 +42,14 @@ def vsubqf: Intrinsic<Vector, (args Vector:$a, Vector:$b), (fsub $a, $b)>,
 }
 
 let params = T.Usual in {
+def vabdq: Intrinsic<Vector, (args Vector:$a, Vector:$b),
+                             (IRInt<"vabd", [Vector]> $a, $b)>;
+}
+
+let params = T.Usual in {
+def vabdq_m: Intrinsic<
+    Vector, (args Vector:$inactive, Vector:$a, Vector:$b, Predicate:$pred),
+    (IRInt<"abd_predicated", [Vector, Predicate]> $a, $b, $pred, $inactive)>;
 def vaddq_m: Intrinsic<
     Vector, (args Vector:$inactive, Vector:$a, Vector:$b, Predicate:$pred),
     (IRInt<"add_predicated", [Vector, Predicate]> $a, $b, $pred, $inactive)>;

diff  --git a/clang/test/CodeGen/arm-mve-intrinsics/vabdq.c b/clang/test/CodeGen/arm-mve-intrinsics/vabdq.c
new file mode 100644
index 000000000000..a416bfb773e6
--- /dev/null
+++ b/clang/test/CodeGen/arm-mve-intrinsics/vabdq.c
@@ -0,0 +1,95 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// RUN: %clang_cc1 -triple thumbv8.1m.main-arm-none-eabi -target-feature +mve.fp -mfloat-abi hard -fallow-half-arguments-and-returns -O0 -disable-O0-optnone -S -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
+// RUN: %clang_cc1 -triple thumbv8.1m.main-arm-none-eabi -target-feature +mve.fp -mfloat-abi hard -fallow-half-arguments-and-returns -O0 -disable-O0-optnone -DPOLYMORPHIC -S -emit-llvm -o - %s | opt -S -mem2reg | FileCheck %s
+
+#include <arm_mve.h>
+
+// CHECK-LABEL: @test_vabdq_s8(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = call <16 x i8> @llvm.arm.mve.vabd.v16i8(<16 x i8> [[A:%.*]], <16 x i8> [[B:%.*]])
+// CHECK-NEXT:    ret <16 x i8> [[TMP0]]
+//
+int8x16_t test_vabdq_s8(int8x16_t a, int8x16_t b)
+{
+#ifdef POLYMORPHIC
+    return vabdq(a, b);
+#else /* POLYMORPHIC */
+    return vabdq_s8(a, b);
+#endif /* POLYMORPHIC */
+}
+
+// CHECK-LABEL: @test_vabdq_u32(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = call <4 x i32> @llvm.arm.mve.vabd.v4i32(<4 x i32> [[A:%.*]], <4 x i32> [[B:%.*]])
+// CHECK-NEXT:    ret <4 x i32> [[TMP0]]
+//
+uint32x4_t test_vabdq_u32(uint32x4_t a, uint32x4_t b)
+{
+#ifdef POLYMORPHIC
+    return vabdq(a, b);
+#else /* POLYMORPHIC */
+    return vabdq_u32(a, b);
+#endif /* POLYMORPHIC */
+}
+
+// CHECK-LABEL: @test_vabdq_f32(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = call <8 x half> @llvm.arm.mve.vabd.v8f16(<8 x half> [[A:%.*]], <8 x half> [[B:%.*]])
+// CHECK-NEXT:    ret <8 x half> [[TMP0]]
+//
+float16x8_t test_vabdq_f32(float16x8_t a, float16x8_t b)
+{
+#ifdef POLYMORPHIC
+    return vabdq(a, b);
+#else /* POLYMORPHIC */
+    return vabdq_f16(a, b);
+#endif /* POLYMORPHIC */
+}
+
+// CHECK-LABEL: @test_vabdq_m_u16(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = zext i16 [[P:%.*]] to i32
+// CHECK-NEXT:    [[TMP1:%.*]] = call <8 x i1> @llvm.arm.mve.pred.i2v.v8i1(i32 [[TMP0]])
+// CHECK-NEXT:    [[TMP2:%.*]] = call <8 x i16> @llvm.arm.mve.abd.predicated.v8i16.v8i1(<8 x i16> [[A:%.*]], <8 x i16> [[B:%.*]], <8 x i1> [[TMP1]], <8 x i16> [[INACTIVE:%.*]])
+// CHECK-NEXT:    ret <8 x i16> [[TMP2]]
+//
+uint16x8_t test_vabdq_m_u16(uint16x8_t inactive, uint16x8_t a, uint16x8_t b, mve_pred16_t p)
+{
+#ifdef POLYMORPHIC
+    return vabdq_m(inactive, a, b, p);
+#else /* POLYMORPHIC */
+    return vabdq_m_u16(inactive, a, b, p);
+#endif /* POLYMORPHIC */
+}
+
+// CHECK-LABEL: @test_vabdq_m_s8(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = zext i16 [[P:%.*]] to i32
+// CHECK-NEXT:    [[TMP1:%.*]] = call <16 x i1> @llvm.arm.mve.pred.i2v.v16i1(i32 [[TMP0]])
+// CHECK-NEXT:    [[TMP2:%.*]] = call <16 x i8> @llvm.arm.mve.abd.predicated.v16i8.v16i1(<16 x i8> [[A:%.*]], <16 x i8> [[B:%.*]], <16 x i1> [[TMP1]], <16 x i8> [[INACTIVE:%.*]])
+// CHECK-NEXT:    ret <16 x i8> [[TMP2]]
+//
+int8x16_t test_vabdq_m_s8(int8x16_t inactive, int8x16_t a, int8x16_t b, mve_pred16_t p)
+{
+#ifdef POLYMORPHIC
+    return vabdq_m(inactive, a, b, p);
+#else /* POLYMORPHIC */
+    return vabdq_m_s8(inactive, a, b, p);
+#endif /* POLYMORPHIC */
+}
+
+// CHECK-LABEL: @test_vabdq_m_f32(
+// CHECK-NEXT:  entry:
+// CHECK-NEXT:    [[TMP0:%.*]] = zext i16 [[P:%.*]] to i32
+// CHECK-NEXT:    [[TMP1:%.*]] = call <4 x i1> @llvm.arm.mve.pred.i2v.v4i1(i32 [[TMP0]])
+// CHECK-NEXT:    [[TMP2:%.*]] = call <4 x float> @llvm.arm.mve.abd.predicated.v4f32.v4i1(<4 x float> [[A:%.*]], <4 x float> [[B:%.*]], <4 x i1> [[TMP1]], <4 x float> [[INACTIVE:%.*]])
+// CHECK-NEXT:    ret <4 x float> [[TMP2]]
+//
+float32x4_t test_vabdq_m_f32(float32x4_t inactive, float32x4_t a, float32x4_t b, mve_pred16_t p)
+{
+#ifdef POLYMORPHIC
+    return vabdq_m(inactive, a, b, p);
+#else /* POLYMORPHIC */
+    return vabdq_m_f32(inactive, a, b, p);
+#endif /* POLYMORPHIC */
+}

diff  --git a/llvm/include/llvm/IR/IntrinsicsARM.td b/llvm/include/llvm/IR/IntrinsicsARM.td
index 31069666b1e9..3a69b87ea342 100644
--- a/llvm/include/llvm/IR/IntrinsicsARM.td
+++ b/llvm/include/llvm/IR/IntrinsicsARM.td
@@ -796,6 +796,9 @@ multiclass IntrinsicSignSuffix<list<LLVMType> rets, list<LLVMType> params = [],
   def _u: Intrinsic<rets, params, props, name, sdprops>;
 }
 
+def int_arm_mve_abd_predicated: Intrinsic<[llvm_anyvector_ty],
+   [LLVMMatchType<0>, LLVMMatchType<0>, llvm_anyvector_ty, LLVMMatchType<0>],
+   [IntrNoMem]>;
 def int_arm_mve_add_predicated: Intrinsic<[llvm_anyvector_ty],
    [LLVMMatchType<0>, LLVMMatchType<0>, llvm_anyvector_ty, LLVMMatchType<0>],
    [IntrNoMem]>;
@@ -866,6 +869,9 @@ defm int_arm_mve_sqrshr: ARM_MVE_qrshift<[llvm_i32_ty]>;
 def int_arm_mve_lsll: ARM_MVE_qrshift_single<[llvm_i32_ty, llvm_i32_ty]>;
 def int_arm_mve_asrl: ARM_MVE_qrshift_single<[llvm_i32_ty, llvm_i32_ty]>;
 
+def int_arm_mve_vabd: Intrinsic<
+   [llvm_anyvector_ty],
+   [LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>;
 def int_arm_mve_vadc: Intrinsic<
    [llvm_anyvector_ty, llvm_i32_ty],
    [LLVMMatchType<0>, LLVMMatchType<0>, llvm_i32_ty], [IntrNoMem]>;

diff  --git a/llvm/lib/Target/ARM/ARMInstrMVE.td b/llvm/lib/Target/ARM/ARMInstrMVE.td
index 31fee84596b3..9c658047dba6 100644
--- a/llvm/lib/Target/ARM/ARMInstrMVE.td
+++ b/llvm/lib/Target/ARM/ARMInstrMVE.td
@@ -1664,7 +1664,8 @@ let Predicates = [HasMVEInt] in {
 }
 
 
-class MVE_VABD_int<string suffix, bit U, bits<2> size, list<dag> pattern=[]>
+class MVE_VABD_int<string suffix, bit U, bits<2> size,
+                     list<dag> pattern=[]>
   : MVE_int<"vabd", suffix, size, pattern> {
 
   let Inst{28} = U;
@@ -1676,12 +1677,35 @@ class MVE_VABD_int<string suffix, bit U, bits<2> size, list<dag> pattern=[]>
   let validForTailPredication = 1;
 }
 
-def MVE_VABDs8  : MVE_VABD_int<"s8", 0b0, 0b00>;
-def MVE_VABDs16 : MVE_VABD_int<"s16", 0b0, 0b01>;
-def MVE_VABDs32 : MVE_VABD_int<"s32", 0b0, 0b10>;
-def MVE_VABDu8  : MVE_VABD_int<"u8", 0b1, 0b00>;
-def MVE_VABDu16 : MVE_VABD_int<"u16", 0b1, 0b01>;
-def MVE_VABDu32 : MVE_VABD_int<"u32", 0b1, 0b10>;
+multiclass MVE_VABD_m<MVEVectorVTInfo VTI,
+                      Intrinsic unpred_int, Intrinsic pred_int> {
+  def "" : MVE_VABD_int<VTI.Suffix, VTI.Unsigned, VTI.Size>;
+
+  let Predicates = [HasMVEInt] in {
+    // Unpredicated absolute 
diff erence
+    def : Pat<(VTI.Vec (unpred_int (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn))),
+              (VTI.Vec (!cast<Instruction>(NAME)
+                            (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn)))>;
+
+    // Predicated absolute 
diff erence
+    def : Pat<(VTI.Vec (pred_int (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn),
+                            (VTI.Pred VCCR:$mask), (VTI.Vec MQPR:$inactive))),
+              (VTI.Vec (!cast<Instruction>(NAME)
+                            (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn),
+                            (i32 1), (VTI.Pred VCCR:$mask),
+                            (VTI.Vec MQPR:$inactive)))>;
+  }
+}
+
+multiclass MVE_VABD<MVEVectorVTInfo VTI>
+  : MVE_VABD_m<VTI, int_arm_mve_vabd, int_arm_mve_abd_predicated>;
+
+defm MVE_VABDs8  : MVE_VABD<MVE_v16s8>;
+defm MVE_VABDs16 : MVE_VABD<MVE_v8s16>;
+defm MVE_VABDs32 : MVE_VABD<MVE_v4s32>;
+defm MVE_VABDu8  : MVE_VABD<MVE_v16u8>;
+defm MVE_VABDu16 : MVE_VABD<MVE_v8u16>;
+defm MVE_VABDu32 : MVE_VABD<MVE_v4u32>;
 
 class MVE_VRHADD<string suffix, bit U, bits<2> size, list<dag> pattern=[]>
   : MVE_int<"vrhadd", suffix, size, pattern> {
@@ -2950,8 +2974,28 @@ class MVE_VABD_fp<string suffix, bit size>
   let validForTailPredication = 1;
 }
 
-def MVE_VABDf32 : MVE_VABD_fp<"f32", 0b0>;
-def MVE_VABDf16 : MVE_VABD_fp<"f16", 0b1>;
+multiclass MVE_VABDT_fp_m<MVEVectorVTInfo VTI,
+                            Intrinsic unpred_int, Intrinsic pred_int> {
+  def "" : MVE_VABD_fp<VTI.Suffix, VTI.Size{0}>;
+
+  let Predicates = [HasMVEFloat] in {
+    def : Pat<(VTI.Vec (unpred_int (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn))),
+              (VTI.Vec (!cast<Instruction>(NAME)
+                            (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn)))>;
+    def : Pat<(VTI.Vec (pred_int (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn),
+                            (VTI.Pred VCCR:$mask), (VTI.Vec MQPR:$inactive))),
+              (VTI.Vec (!cast<Instruction>(NAME)
+                            (VTI.Vec MQPR:$Qm), (VTI.Vec MQPR:$Qn),
+                            (i32 1), (VTI.Pred VCCR:$mask),
+                            (VTI.Vec MQPR:$inactive)))>;
+  }
+}
+
+multiclass MVE_VABD_fp_m<MVEVectorVTInfo VTI>
+  : MVE_VABDT_fp_m<VTI, int_arm_mve_vabd, int_arm_mve_abd_predicated>;
+
+defm MVE_VABDf32 : MVE_VABD_fp_m<MVE_v4f32>;
+defm MVE_VABDf16 : MVE_VABD_fp_m<MVE_v8f16>;
 
 class MVE_VCVT_fix<string suffix, bit fsi, bit U, bit op,
                    Operand imm_operand_type, list<dag> pattern=[]>

diff  --git a/llvm/test/CodeGen/Thumb2/mve-intrinsics/vabdq.ll b/llvm/test/CodeGen/Thumb2/mve-intrinsics/vabdq.ll
new file mode 100644
index 000000000000..bafff00ea1de
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb2/mve-intrinsics/vabdq.ll
@@ -0,0 +1,62 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv8.1m.main -mattr=+mve.fp -verify-machineinstrs -o - %s | FileCheck %s
+
+define arm_aapcs_vfpcc <4 x i32> @test_vabdq_u32(<4 x i32> %a, <4 x i32> %b) {
+; CHECK-LABEL: test_vabdq_u32:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vabd.s32 q0, q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %0 = tail call <4 x i32> @llvm.arm.mve.vabd.v4i32(<4 x i32>%a, <4 x i32>%b)
+  ret <4 x i32> %0
+}
+
+declare <4 x i32> @llvm.arm.mve.vabd.v4i32(<4 x i32>, <4 x i32>)
+
+define arm_aapcs_vfpcc <4 x float> @test_vabdq_f32(<4 x float> %a, <4 x float> %b) {
+; CHECK-LABEL: test_vabdq_f32:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vabd.f32 q0, q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %0 = tail call <4 x float> @llvm.arm.mve.vabd.v4f32(<4 x float>%a, <4 x float>%b)
+  ret <4 x float> %0
+}
+
+declare <4 x float> @llvm.arm.mve.vabd.v4f32(<4 x float>, <4 x float>)
+
+define arm_aapcs_vfpcc <16 x i8> @test_vabdq_m_s8(<16 x i8> %inactive, <16 x i8> %a, <16 x i8> %b, i16 zeroext %p) {
+; CHECK-LABEL: test_vabdq_m_s8:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmsr p0, r0
+; CHECK-NEXT:    vpst
+; CHECK-NEXT:    vabdt.s8 q0, q1, q2
+; CHECK-NEXT:    bx lr
+entry:
+  %0 = zext i16 %p to i32
+  %1 = tail call <16 x i1> @llvm.arm.mve.pred.i2v.v16i1(i32 %0)
+  %2 = tail call <16 x i8> @llvm.arm.mve.abd.predicated.v16i8.v16i1(<16 x i8> %a, <16 x i8> %b, <16 x i1> %1, <16 x i8> %inactive)
+  ret <16 x i8> %2
+}
+
+declare <16 x i1> @llvm.arm.mve.pred.i2v.v16i1(i32)
+
+declare <16 x i8> @llvm.arm.mve.abd.predicated.v16i8.v16i1(<16 x i8>, <16 x i8>, <16 x i1>, <16 x i8>)
+
+define arm_aapcs_vfpcc <8 x half> @test_vabdq_m_f16(<8 x half> %inactive, <8 x half> %a, <8 x half> %b, i16 zeroext %p) {
+; CHECK-LABEL: test_vabdq_m_f16:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmsr p0, r0
+; CHECK-NEXT:    vpst
+; CHECK-NEXT:    vabdt.f16 q0, q1, q2
+; CHECK-NEXT:    bx lr
+entry:
+  %0 = zext i16 %p to i32
+  %1 = tail call <8 x i1> @llvm.arm.mve.pred.i2v.v8i1(i32 %0)
+  %2 = tail call <8 x half> @llvm.arm.mve.abd.predicated.v8f16.v8i1(<8 x half> %a, <8 x half> %b, <8 x i1> %1, <8 x half> %inactive)
+  ret <8 x half> %2
+}
+
+declare <8 x i1> @llvm.arm.mve.pred.i2v.v8i1(i32)
+
+declare <8 x half> @llvm.arm.mve.abd.predicated.v8f16.v8i1(<8 x half>, <8 x half>, <8 x i1>, <8 x half>)


        


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