From a131d3fb29ebfeea79cd42e843dee861d67d3818 Mon Sep 17 00:00:00 2001
From: Wei Ding <wei.ding2@amd.com>
Date: Thu, 24 Aug 2017 04:18:24 +0000
Subject: Add ‘llvm.experimental.constrained.fma‘ Intrinsic.
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Differential Revision: http://reviews.llvm.org/D36335

llvm-svn: 311629
---
 llvm/lib/IR/IntrinsicInst.cpp | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

(limited to 'llvm/lib/IR/IntrinsicInst.cpp')

diff --git a/llvm/lib/IR/IntrinsicInst.cpp b/llvm/lib/IR/IntrinsicInst.cpp
index 8b12c55937f..67bd5b69bb0 100644
--- a/llvm/lib/IR/IntrinsicInst.cpp
+++ b/llvm/lib/IR/IntrinsicInst.cpp
@@ -14,10 +14,10 @@
 // are all subclasses of the CallInst class.  Note that none of these classes
 // has state or virtual methods, which is an important part of this gross/neat
 // hack working.
-// 
+//
 // In some cases, arguments to intrinsics need to be generic and are defined as
 // type pointer to empty struct { }*.  To access the real item of interest the
-// cast instruction needs to be stripped away. 
+// cast instruction needs to be stripped away.
 //
 //===----------------------------------------------------------------------===//
 
@@ -98,7 +98,7 @@ Value *InstrProfIncrementInst::getStep() const {
 ConstrainedFPIntrinsic::RoundingMode
 ConstrainedFPIntrinsic::getRoundingMode() const {
   unsigned NumOperands = getNumArgOperands();
-  Metadata *MD = 
+  Metadata *MD =
       dyn_cast<MetadataAsValue>(getArgOperand(NumOperands - 2))->getMetadata();
   if (!MD || !isa<MDString>(MD))
     return rmInvalid;
@@ -118,7 +118,7 @@ ConstrainedFPIntrinsic::getRoundingMode() const {
 ConstrainedFPIntrinsic::ExceptionBehavior
 ConstrainedFPIntrinsic::getExceptionBehavior() const {
   unsigned NumOperands = getNumArgOperands();
-  Metadata *MD = 
+  Metadata *MD =
       dyn_cast<MetadataAsValue>(getArgOperand(NumOperands - 1))->getMetadata();
   if (!MD || !isa<MDString>(MD))
     return ebInvalid;
@@ -132,7 +132,7 @@ ConstrainedFPIntrinsic::getExceptionBehavior() const {
 
 bool ConstrainedFPIntrinsic::isUnaryOp() const {
   switch (getIntrinsicID()) {
-    default: 
+    default:
       return false;
     case Intrinsic::experimental_constrained_sqrt:
     case Intrinsic::experimental_constrained_sin:
@@ -147,3 +147,13 @@ bool ConstrainedFPIntrinsic::isUnaryOp() const {
       return true;
   }
 }
+
+bool ConstrainedFPIntrinsic::isTernaryOp() const {
+  switch (getIntrinsicID()) {
+    default:
+      return false;
+    case Intrinsic::experimental_constrained_fma:
+      return true;
+  }
+}
+
-- 
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