commit c6a419123acd82213a59a8f9e1020e4da6a409dd
author Aditya Nandakumar <aditya_nandakumar@apple.com> Tue Jun 20 19:25:23 2017 +0000
committer Aditya Nandakumar <aditya_nandakumar@apple.com> Tue Jun 20 19:25:23 2017 +0000
tree c7c80b9d341767936ea7ba112b0eba0b7cad45fa
parent 7859216b28a1ddc91e593578533890b6faee4cfd

[GISel]: Add G_FMA opcode for fused multiply adds

https://reviews.llvm.org/D34372

Reviewed by dsanders

llvm-svn: 305824

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index dccd8e07..7fefbf9 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -686,6 +686,13 @@
         .addUse(getOrCreateVReg(*CI.getArgOperand(0)))
         .addUse(getOrCreateVReg(*CI.getArgOperand(1)));
     return true;
+  case Intrinsic::fma:
+    MIRBuilder.buildInstr(TargetOpcode::G_FMA)
+        .addDef(getOrCreateVReg(CI))
+        .addUse(getOrCreateVReg(*CI.getArgOperand(0)))
+        .addUse(getOrCreateVReg(*CI.getArgOperand(1)))
+        .addUse(getOrCreateVReg(*CI.getArgOperand(2)));
+    return true;
   case Intrinsic::memcpy:
   case Intrinsic::memmove:
   case Intrinsic::memset: