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[AArch64][SVE] Add bfloat16 support to svlen intrinsic

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Reviewed By: fpetrogalli

Differential Revision: https://reviews.llvm.org/D82186
This commit is contained in:
Cullen Rhodes 2020-06-19 09:37:14 +00:00
parent 26502ad609
commit fd2c4b8999
3 changed files with 32 additions and 0 deletions
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4
clang/include/clang/Basic/arm_sve.td
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@ -1281,6 +1281,10 @@ def SVCNTD : SInst<"svcntd", "n", "", MergeNone, "aarch64_sve_cntd", [IsAppendSV
def SVCNTP : SInst<"svcntp_{d}", "nPP", "PcPsPiPl", MergeNone, "aarch64_sve_cntp">;
def SVLEN : SInst<"svlen[_{d}]", "nd", "csilUcUsUiUlhfd", MergeNone>;
let ArchGuard = "defined(__ARM_FEATURE_SVE_BF16)" in {
def SVLEN_BF16 : SInst<"svlen[_{d}]", "nd", "b", MergeNone>;
}
////////////////////////////////////////////////////////////////////////////////
// Saturating scalar arithmetic

1
clang/lib/CodeGen/CGBuiltin.cpp
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@ -8434,6 +8434,7 @@ Value *CodeGenFunction::EmitAArch64SVEBuiltinExpr(unsigned BuiltinID,
case SVE::BI__builtin_sve_svpfalse_b:
return ConstantInt::getFalse(Ty);
case SVE::BI__builtin_sve_svlen_bf16:
case SVE::BI__builtin_sve_svlen_f16:
case SVE::BI__builtin_sve_svlen_f32:
case SVE::BI__builtin_sve_svlen_f64:

27
clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_len-bfloat.c Normal file
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@ -0,0 +1,27 @@
// REQUIRES: aarch64-registered-target
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -D__ARM_FEATURE_SVE_BF16 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -D__ARM_FEATURE_SVE_BF16 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -D__ARM_FEATURE_SVE_BF16 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -o - %s >/dev/null 2>%t
// RUN: FileCheck --check-prefix=ASM --allow-empty %s <%t
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
// If this check fails please read test/CodeGen/aarch64-sve-intrinsics/README for instructions on how to resolve it.
// ASM-NOT: warning
#include <arm_sve.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
uint64_t test_svlen_bf16(svbfloat16_t op)
{
// CHECK-LABEL: test_svlen_bf16
// CHECK: %[[VSCALE:.*]] = call i64 @llvm.vscale.i64()
// CHECK: %[[SHL:.*]] = shl i64 %[[VSCALE]], 3
// CHECK: ret i64 %[[SHL]]
// expected-warning@+1 {{implicit declaration of function 'svlen_bf16'}}
return SVE_ACLE_FUNC(svlen,_bf16,,)(op);
}