[x86] generate IR for AVX2 integer min/max builtins

Sibling patch to r272932:
http://reviews.llvm.org/rL272932

llvm-svn: 272933

1 files changed, 17 insertions, 5 deletions

diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 8b8996bde95..4cc0560de3f 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -6826,28 +6826,40 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
   case X86::BI__builtin_ia32_pcmpgtq512_mask:
     return EmitX86MaskedCompare(*this, ICmpInst::ICMP_SGT, Ops);
 
-  // TODO: Handle 64/256/512-bit vector widths of min/max.
+  // TODO: Handle 64/512-bit vector widths of min/max.
   case X86::BI__builtin_ia32_pmaxsb128:
   case X86::BI__builtin_ia32_pmaxsw128:
-  case X86::BI__builtin_ia32_pmaxsd128: {
+  case X86::BI__builtin_ia32_pmaxsd128:
+  case X86::BI__builtin_ia32_pmaxsb256:
+  case X86::BI__builtin_ia32_pmaxsw256:
+  case X86::BI__builtin_ia32_pmaxsd256: {
     Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_SGT, Ops[0], Ops[1]);
     return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
   }
   case X86::BI__builtin_ia32_pmaxub128:
   case X86::BI__builtin_ia32_pmaxuw128:
-  case X86::BI__builtin_ia32_pmaxud128: {
+  case X86::BI__builtin_ia32_pmaxud128:
+  case X86::BI__builtin_ia32_pmaxub256:
+  case X86::BI__builtin_ia32_pmaxuw256:
+  case X86::BI__builtin_ia32_pmaxud256: {
     Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_UGT, Ops[0], Ops[1]);
     return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
   }
   case X86::BI__builtin_ia32_pminsb128:
   case X86::BI__builtin_ia32_pminsw128:
-  case X86::BI__builtin_ia32_pminsd128: {
+  case X86::BI__builtin_ia32_pminsd128:
+  case X86::BI__builtin_ia32_pminsb256:
+  case X86::BI__builtin_ia32_pminsw256:
+  case X86::BI__builtin_ia32_pminsd256: {
     Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_SLT, Ops[0], Ops[1]);
     return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
   }
   case X86::BI__builtin_ia32_pminub128:
   case X86::BI__builtin_ia32_pminuw128:
-  case X86::BI__builtin_ia32_pminud128: {
+  case X86::BI__builtin_ia32_pminud128:
+  case X86::BI__builtin_ia32_pminub256:
+  case X86::BI__builtin_ia32_pminuw256:
+  case X86::BI__builtin_ia32_pminud256: {
     Value *Cmp = Builder.CreateICmp(ICmpInst::ICMP_ULT, Ops[0], Ops[1]);
     return Builder.CreateSelect(Cmp, Ops[0], Ops[1]);
   }