[clang] [Clang][AArch64]Add QCVTN builtin to SVE2.1 (PR #75454)
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Thu Dec 14 01:58:23 PST 2023
https://github.com/CarolineConcatto created https://github.com/llvm/llvm-project/pull/75454
``` c
// All the intrinsics below are [SVE2.1 or SME2]
// Variants are also available for _u16[_s32]_x2 and _u16[_u32]_x2
svint16_t svqcvtn_s16[_s32_x2](svint32x2_t zn);
```
According to PR#257[1]
[1]https://github.com/ARM-software/acle/pull/257
>From 3508b4fbd9b4b9b51553a590b237e443fb58e098 Mon Sep 17 00:00:00 2001
From: Caroline Concatto <caroline.concatto at arm.com>
Date: Thu, 14 Dec 2023 09:50:36 +0000
Subject: [PATCH] [Clang][AArch64]Add QCVTN builtin to SVE2.1
``` c
// All the intrinsics below are [SVE2.1 or SME2]
// Variants are also available for _u16[_s32]_x2 and _u16[_u32]_x2
svint16_t svqcvtn_s16[_s32_x2](svint32x2_t zn);
```
According to PR#257[1]
[1]https://github.com/ARM-software/acle/pull/257
---
clang/include/clang/Basic/arm_sve.td | 4 +-
.../acle_sve2p1_qcvtn.c | 78 +++++++++++++++++++
2 files changed, 81 insertions(+), 1 deletion(-)
create mode 100644 clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_qcvtn.c
diff --git a/clang/include/clang/Basic/arm_sve.td b/clang/include/clang/Basic/arm_sve.td
index db6f17d1c493af..6979e65fbf4cb4 100644
--- a/clang/include/clang/Basic/arm_sve.td
+++ b/clang/include/clang/Basic/arm_sve.td
@@ -2266,11 +2266,13 @@ let TargetGuard = "sme2" in {
//
// Multi-vector saturating extract narrow and interleave
//
-let TargetGuard = "sme2" in {
+let TargetGuard = "sme2|sve2p1" in {
def SVQCVTN_S16_S32_X2 : SInst<"svqcvtn_s16[_{d}_x2]", "h2.d", "i", MergeNone, "aarch64_sve_sqcvtn_x2", [IsStreamingCompatible], []>;
def SVQCVTN_U16_U32_X2 : SInst<"svqcvtn_u16[_{d}_x2]", "e2.d", "Ui", MergeNone, "aarch64_sve_uqcvtn_x2", [IsStreamingCompatible], []>;
def SVQCVTN_U16_S32_X2 : SInst<"svqcvtn_u16[_{d}_x2]", "e2.d", "i", MergeNone, "aarch64_sve_sqcvtun_x2", [IsStreamingCompatible], []>;
+}
+let TargetGuard = "sme2" in {
def SVQCVTN_S8_S32_X4 : SInst<"svqcvtn_s8[_{d}_x4]", "q4.d", "i", MergeNone, "aarch64_sve_sqcvtn_x4", [IsStreaming], []>;
def SVQCVTN_U8_U32_X4 : SInst<"svqcvtn_u8[_{d}_x4]", "b4.d", "Ui", MergeNone, "aarch64_sve_uqcvtn_x4", [IsStreaming], []>;
def SVQCVTN_U8_S32_X4 : SInst<"svqcvtn_u8[_{d}_x4]", "b4.d", "i", MergeNone, "aarch64_sve_sqcvtun_x4", [IsStreaming], []>;
diff --git a/clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_qcvtn.c b/clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_qcvtn.c
new file mode 100644
index 00000000000000..477b7b0a08e671
--- /dev/null
+++ b/clang/test/CodeGen/aarch64-sve2p1-intrinsics/acle_sve2p1_qcvtn.c
@@ -0,0 +1,78 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+
+// REQUIRES: aarch64-registered-target
+
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16 -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve1p1 -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -D__SVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16 -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -D__SVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16 -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2p1 -target-feature +bf16 -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -D__SVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s
+// RUN: %clang_cc1 -D__SVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -emit-llvm -o - -x c++ %s | opt -S -p mem2reg,instcombine,tailcallelim | FileCheck %s -check-prefix=CPP-CHECK
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +sme2 -target-feature +bf16 -DSME2_STANDALONE_TEST -S -disable-O0-optnone -Werror -Wall -o /dev/null %s
+
+#include <arm_sme_draft_spec_subject_to_change.h>
+
+#ifdef SVE_OVERLOADED_FORMS
+// A simple used,unused... macro, long enough to represent any SVE builtin.
+#define SVE_ACLE_FUNC(A1,A2_UNUSED,A3,A4_UNUSED) A1##A3
+#else
+#define SVE_ACLE_FUNC(A1,A2,A3,A4) A1##A2##A3##A4
+#endif
+
+// CHECK-LABEL: @test_qcvtn_s16_s32_x2(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.sqcvtn.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+// CPP-CHECK-LABEL: @_Z21test_qcvtn_s16_s32_x211svint32x2_t(
+// CPP-CHECK-NEXT: entry:
+// CPP-CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CPP-CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CPP-CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.sqcvtn.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CPP-CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+svint16_t test_qcvtn_s16_s32_x2(svint32x2_t zn) __arm_streaming_compatible {
+ return SVE_ACLE_FUNC(svqcvtn_s16,_s32_x2,,)(zn);
+}
+
+// CHECK-LABEL: @test_qcvtn_u16_u32_x2(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.uqcvtn.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+// CPP-CHECK-LABEL: @_Z21test_qcvtn_u16_u32_x212svuint32x2_t(
+// CPP-CHECK-NEXT: entry:
+// CPP-CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CPP-CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CPP-CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.uqcvtn.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CPP-CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+svuint16_t test_qcvtn_u16_u32_x2(svuint32x2_t zn) __arm_streaming_compatible {
+ return SVE_ACLE_FUNC(svqcvtn_u16,_u32_x2,,)(zn);
+}
+
+// CHECK-LABEL: @test_qcvtn_u16_s32_x2(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.sqcvtun.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+// CPP-CHECK-LABEL: @_Z21test_qcvtn_u16_s32_x211svint32x2_t(
+// CPP-CHECK-NEXT: entry:
+// CPP-CHECK-NEXT: [[TMP0:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN:%.*]], i64 0)
+// CPP-CHECK-NEXT: [[TMP1:%.*]] = tail call <vscale x 4 x i32> @llvm.vector.extract.nxv4i32.nxv8i32(<vscale x 8 x i32> [[ZN]], i64 4)
+// CPP-CHECK-NEXT: [[TMP2:%.*]] = tail call <vscale x 8 x i16> @llvm.aarch64.sve.sqcvtun.x2.nxv4i32(<vscale x 4 x i32> [[TMP0]], <vscale x 4 x i32> [[TMP1]])
+// CPP-CHECK-NEXT: ret <vscale x 8 x i16> [[TMP2]]
+//
+svuint16_t test_qcvtn_u16_s32_x2(svint32x2_t zn) __arm_streaming_compatible {
+ return SVE_ACLE_FUNC(svqcvtn_u16,_s32_x2,,)(zn);
+}
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