From: Craig Topper <craig.topper@intel.com>
Date: Tue, 10 Jul 2018 00:50:03 +0000 (+0000)
Subject: [X86] Remove custom handling for __builtin_ia32_divss_round_mask and __builtin_ia32_d... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ba066d5d857128bff3ea63ff9cd504945c23ef26;p=clang

[X86] Remove custom handling for __builtin_ia32_divss_round_mask and __builtin_ia32_divsd_round_mask.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@336628 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index ba0519b355..ad983372df 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -10068,30 +10068,6 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
   case X86::BI__builtin_ia32_pternlogq256_maskz:
     return EmitX86Ternlog(*this, /*ZeroMask*/true, Ops);
 
-  case X86::BI__builtin_ia32_divss_round_mask:
-  case X86::BI__builtin_ia32_divsd_round_mask: {
-    Intrinsic::ID ID;
-    switch (BuiltinID) {
-    default: llvm_unreachable("Unsupported intrinsic!");
-    case X86::BI__builtin_ia32_divss_round_mask:
-      ID = Intrinsic::x86_avx512_mask_div_ss_round; break;
-    case X86::BI__builtin_ia32_divsd_round_mask:
-      ID = Intrinsic::x86_avx512_mask_div_sd_round; break;
-    }
-    Function *Intr = CGM.getIntrinsic(ID);
-
-    // If round parameter is not _MM_FROUND_CUR_DIRECTION, don't lower.
-    if (cast<llvm::ConstantInt>(Ops[4])->getZExtValue() != (uint64_t)4)
-      return Builder.CreateCall(Intr, Ops);
-
-    Value *A = Builder.CreateExtractElement(Ops[0], (uint64_t)0);
-    Value *B = Builder.CreateExtractElement(Ops[1], (uint64_t)0);
-    Value *C = Builder.CreateExtractElement(Ops[2], (uint64_t)0);
-    Value *Div = Builder.CreateFDiv(A, B);
-    Div = EmitX86ScalarSelect(*this, Ops[3], Div, C);
-    return Builder.CreateInsertElement(Ops[0], Div, (uint64_t)0);
-  }
-
   // 3DNow!
   case X86::BI__builtin_ia32_pswapdsf:
   case X86::BI__builtin_ia32_pswapdsi: {