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adding autoUpgrade support to broadcast[f|i]32x2 intrinsics

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llvm-svn: 312879
This commit is contained in:
Uriel Korach 2017-09-10 08:40:13 +00:00
parent 32b30a50d0
commit 34f7febfe4
3 changed files with 20 additions and 31 deletions
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20
include/llvm/IR/IntrinsicsX86.td
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@ -4414,26 +4414,6 @@ let TargetPrefix = "x86" in { // All intrinsics start with "llvm.x86.".
def int_x86_avx512_vbroadcast_sd_512 :
Intrinsic<[llvm_v8f64_ty], [llvm_ptr_ty], [IntrReadMem, IntrArgMemOnly]>;
def int_x86_avx512_mask_broadcastf32x2_256 :
Intrinsic<[llvm_v8f32_ty],
[llvm_v4f32_ty, llvm_v8f32_ty, llvm_i8_ty], [IntrNoMem]>;
def int_x86_avx512_mask_broadcastf32x2_512 :
Intrinsic<[llvm_v16f32_ty],
[llvm_v4f32_ty, llvm_v16f32_ty, llvm_i16_ty], [IntrNoMem]>;
def int_x86_avx512_mask_broadcasti32x2_128 :
Intrinsic<[llvm_v4i32_ty],
[llvm_v4i32_ty, llvm_v4i32_ty, llvm_i8_ty], [IntrNoMem]>;
def int_x86_avx512_mask_broadcasti32x2_256 :
Intrinsic<[llvm_v8i32_ty],
[llvm_v4i32_ty, llvm_v8i32_ty, llvm_i8_ty], [IntrNoMem]>;
def int_x86_avx512_mask_broadcasti32x2_512 :
Intrinsic<[llvm_v16i32_ty],
[llvm_v4i32_ty, llvm_v16i32_ty, llvm_i16_ty], [IntrNoMem]>;
def int_x86_avx512_broadcastmw_512 :
GCCBuiltin<"__builtin_ia32_broadcastmw512">,
Intrinsic<[llvm_v16i32_ty], [llvm_i16_ty], [IntrNoMem]>;

21
lib/IR/AutoUpgrade.cpp
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@ -72,7 +72,9 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) {
// like to use this information to remove upgrade code for some older
// intrinsics. It is currently undecided how we will determine that future
// point.
if (Name.startswith("sse2.pcmpeq.") || // Added in 3.1
if (Name.startswith("avx512.mask.broadcastf32x2") || // Added in 6.0
Name.startswith("avx512.mask.broadcasti32x2") || // Added in 6.0
Name.startswith("sse2.pcmpeq.") || // Added in 3.1
Name.startswith("sse2.pcmpgt.") || // Added in 3.1
Name.startswith("avx2.pcmpeq.") || // Added in 3.1
Name.startswith("avx2.pcmpgt.") || // Added in 3.1
@ -803,6 +805,20 @@ static Value *upgradeIntMinMax(IRBuilder<> &Builder, CallInst &CI,
return Res;
}
static Value *upgradeBroadcastf32x2(IRBuilder<> &Builder, CallInst &CI) {
Value *Op0 = CI.getArgOperand(0);
Value *RetArg = CI.getReturnedArgOperand();
llvm::VectorType *Ty = RetArg->getType();
unsigned NumElts = Ty->getVectorNumElements();
uint32_t Indices[NumElts];
for(unsigned i = 0; i < NumElts; ++i)
Indices[i] = i % 2;
Value *Res = Builder.CreateShuffleVector(Op0,UndefValue::get(Ty),Indices);
return EmitX86Select(Builder, CI.getArgOperand(2), Res, CI.getArgOperand(1));
}
static Value *upgradeMaskedCompare(IRBuilder<> &Builder, CallInst &CI,
unsigned CC, bool Signed) {
Value *Op0 = CI.getArgOperand(0);
@ -1059,6 +1075,9 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
Name.startswith("avx2.pmaxs") ||
Name.startswith("avx512.mask.pmaxs"))) {
Rep = upgradeIntMinMax(Builder, *CI, ICmpInst::ICMP_SGT);
} else if (IsX86 && (Name.startswith("avx512.mask.broadcastf32x2") ||
Name.startswith("avx512.mask.broadcasti32x2"))) {
Rep =upgradeBroadcastf32x2(Builder, *CI);
} else if (IsX86 && (Name == "sse2.pmaxu.b" ||
Name == "sse41.pmaxuw" ||
Name == "sse41.pmaxud" ||

10
lib/Target/X86/X86IntrinsicsInfo.h
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@ -478,16 +478,6 @@ static const IntrinsicData IntrinsicsWithoutChain[] = {
X86ISD::FADDS_RND, 0),
X86_INTRINSIC_DATA(avx512_mask_add_ss_round, INTR_TYPE_SCALAR_MASK_RM,
X86ISD::FADDS_RND, 0),
X86_INTRINSIC_DATA(avx512_mask_broadcastf32x2_256, BRCST32x2_TO_VEC,
X86ISD::VBROADCAST, 0),
X86_INTRINSIC_DATA(avx512_mask_broadcastf32x2_512, BRCST32x2_TO_VEC,
X86ISD::VBROADCAST, 0),
X86_INTRINSIC_DATA(avx512_mask_broadcasti32x2_128, BRCST32x2_TO_VEC,
X86ISD::VBROADCAST, 0),
X86_INTRINSIC_DATA(avx512_mask_broadcasti32x2_256, BRCST32x2_TO_VEC,
X86ISD::VBROADCAST, 0),
X86_INTRINSIC_DATA(avx512_mask_broadcasti32x2_512, BRCST32x2_TO_VEC,
X86ISD::VBROADCAST, 0),
X86_INTRINSIC_DATA(avx512_mask_cmp_pd_128, CMP_MASK_CC, X86ISD::CMPM, 0),
X86_INTRINSIC_DATA(avx512_mask_cmp_pd_256, CMP_MASK_CC, X86ISD::CMPM, 0),
X86_INTRINSIC_DATA(avx512_mask_cmp_pd_512, CMP_MASK_CC, X86ISD::CMPM,