diff options
| author | Craig Topper <craig.topper@intel.com> | 2017-08-11 16:22:45 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-08-11 16:22:45 +0000 |
| commit | 09c4df1c6db5b0dbd71a30310d4792277b74c6f7 (patch) | |
| tree | 6785e97328030364b0769f960813a40c1b4e573c /lib/IR/AutoUpgrade.cpp | |
| parent | eab12873b7ec8b7ea556340aa19e3e20d70bb952 (diff) | |
[AVX512] Remove and autoupgrade many of the broadcast intrinsics
Summary:
This autoupgrades most of the broadcast intrinsics. They've been unused in clang for some time.
This leaves the 32x2 intrinsics because they are still used in clang.
Reviewers: RKSimon, zvi, igorb
Reviewed By: RKSimon
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D36606
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310725 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/AutoUpgrade.cpp')
| -rw-r--r-- | lib/IR/AutoUpgrade.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp index 16dfd6bd023..0c2062d80d6 100644 --- a/lib/IR/AutoUpgrade.cpp +++ b/lib/IR/AutoUpgrade.cpp @@ -239,6 +239,14 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { Name.startswith("avx2.pblendd.") || // Added in 3.7 Name.startswith("avx.vbroadcastf128") || // Added in 4.0 Name == "avx2.vbroadcasti128" || // Added in 3.7 + Name.startswith("avx512.mask.broadcastf32x4.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcastf64x2.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti32x4.") || // Added in 6.0 + Name.startswith("avx512.mask.broadcasti64x2.") || // Added in 6.0 + Name == "avx512.mask.broadcastf32x8.512" || // Added in 6.0 + Name == "avx512.mask.broadcasti32x8.512" || // Added in 6.0 + Name == "avx512.mask.broadcastf64x4.512" || // Added in 6.0 + Name == "avx512.mask.broadcasti64x4.512" || // Added in 6.0 Name == "xop.vpcmov" || // Added in 3.8 Name == "xop.vpcmov.256" || // Added in 5.0 Name.startswith("avx512.mask.move.s") || // Added in 4.0 @@ -1221,6 +1229,21 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { else Rep = Builder.CreateShuffleVector(Load, UndefValue::get(Load->getType()), { 0, 1, 2, 3, 0, 1, 2, 3 }); + } else if (IsX86 && (Name.startswith("avx512.mask.broadcastf") || + Name.startswith("avx512.mask.broadcasti"))) { + unsigned NumSrcElts = + CI->getArgOperand(0)->getType()->getVectorNumElements(); + unsigned NumDstElts = CI->getType()->getVectorNumElements(); + + SmallVector<uint32_t, 8> ShuffleMask(NumDstElts); + for (unsigned i = 0; i != NumDstElts; ++i) + ShuffleMask[i] = i % NumSrcElts; + + Rep = Builder.CreateShuffleVector(CI->getArgOperand(0), + CI->getArgOperand(0), + ShuffleMask); + Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, + CI->getArgOperand(1)); } else if (IsX86 && (Name.startswith("avx2.pbroadcast") || Name.startswith("avx2.vbroadcast") || Name.startswith("avx512.pbroadcast") || |