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| author | Craig Topper <craig.topper@intel.com> | 2018-04-11 04:55:04 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2018-04-11 04:55:04 +0000 |
| commit | 9507fa358cdf3df95d890c6a8dcb415522e7390f (patch) | |
| tree | eb5f3466a146216cd244328e100e835c23b2d467 /llvm/lib/IR/AutoUpgrade.cpp | |
| parent | 20c8bcae81c12ba5ef8a90fadaffea28d1a33334 (diff) | |
| download | bcm5719-llvm-9507fa358cdf3df95d890c6a8dcb415522e7390f.tar.gz bcm5719-llvm-9507fa358cdf3df95d890c6a8dcb415522e7390f.zip | |
[X86] Remove 128/256-bit masked pmaddubsw and pmaddwd intrinsics. Replace 512-bit masked intrinsic with unmasked intrinsic and a select.
The 128/256-bit versions were no longer used by clang. It uses the legacy SSE/AVX2 version and a select. The 512-bit was changed to the same for consistency.
llvm-svn: 329774
Diffstat (limited to 'llvm/lib/IR/AutoUpgrade.cpp')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index 29b84799891..41309f2ef74 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -173,6 +173,8 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { Name.startswith("avx512.mask.pmul.hr.sw.") || // Added in 7.0 Name.startswith("avx512.mask.pmulh.w.") || // Added in 7.0 Name.startswith("avx512.mask.pmulhu.w.") || // Added in 7.0 + Name.startswith("avx512.mask.pmaddw.d.") || // Added in 7.0 + Name.startswith("avx512.mask.pmaddubs.w.") || // Added in 7.0 Name.startswith("avx512.mask.packsswb.") || // Added in 5.0 Name.startswith("avx512.mask.packssdw.") || // Added in 5.0 Name.startswith("avx512.mask.packuswb.") || // Added in 5.0 @@ -1071,6 +1073,24 @@ static bool upgradeAVX512MaskToSelect(StringRef Name, IRBuilder<> &Builder, IID = Intrinsic::x86_avx512_pmulhu_w_512; else llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmaddw.d.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_sse2_pmadd_wd; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmadd_wd; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmaddw_d_512; + else + llvm_unreachable("Unexpected intrinsic"); + } else if (Name.startswith("pmaddubs.w.")) { + if (VecWidth == 128) + IID = Intrinsic::x86_ssse3_pmadd_ub_sw_128; + else if (VecWidth == 256) + IID = Intrinsic::x86_avx2_pmadd_ub_sw; + else if (VecWidth == 512) + IID = Intrinsic::x86_avx512_pmaddubs_w_512; + else + llvm_unreachable("Unexpected intrinsic"); } else if (Name.startswith("packsswb.")) { if (VecWidth == 128) IID = Intrinsic::x86_sse2_packsswb_128; |
