CodeGen: add sensible defaults for the ISD::FROUND operation

Some exotic types didn't know how to handle FROUND, which ARM64 uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205088 91177308-0d34-0410-b5e6-96231b3b80d8

Author: TNorthover

lib/CodeGen/TargetLoweringBase.cpp

@@ -205,6 +205,11 @@ static void InitLibcallNames(const char **Names, const TargetMachine &TM) {
   Names[RTLIB::FLOOR_F80] = "floorl";
   Names[RTLIB::FLOOR_F128] = "floorl";
   Names[RTLIB::FLOOR_PPCF128] = "floorl";
+  Names[RTLIB::ROUND_F32] = "roundf";
+  Names[RTLIB::ROUND_F64] = "round";
+  Names[RTLIB::ROUND_F80] = "roundl";
+  Names[RTLIB::ROUND_F128] = "roundl";
+  Names[RTLIB::ROUND_PPCF128] = "roundl";
   Names[RTLIB::COPYSIGN_F32] = "copysignf";
   Names[RTLIB::COPYSIGN_F64] = "copysign";
   Names[RTLIB::COPYSIGN_F80] = "copysignl";
@@ -760,6 +765,7 @@ void TargetLoweringBase::initActions() {
   setOperationAction(ISD::FCEIL,  MVT::f16, Expand);
   setOperationAction(ISD::FRINT,  MVT::f16, Expand);
   setOperationAction(ISD::FTRUNC, MVT::f16, Expand);
+  setOperationAction(ISD::FROUND, MVT::f16, Expand);
   setOperationAction(ISD::FLOG ,  MVT::f32, Expand);
   setOperationAction(ISD::FLOG2,  MVT::f32, Expand);
   setOperationAction(ISD::FLOG10, MVT::f32, Expand);
@@ -770,6 +776,7 @@ void TargetLoweringBase::initActions() {
   setOperationAction(ISD::FCEIL,  MVT::f32, Expand);
   setOperationAction(ISD::FRINT,  MVT::f32, Expand);
   setOperationAction(ISD::FTRUNC, MVT::f32, Expand);
+  setOperationAction(ISD::FROUND, MVT::f32, Expand);
   setOperationAction(ISD::FLOG ,  MVT::f64, Expand);
   setOperationAction(ISD::FLOG2,  MVT::f64, Expand);
   setOperationAction(ISD::FLOG10, MVT::f64, Expand);
@@ -780,6 +787,7 @@ void TargetLoweringBase::initActions() {
   setOperationAction(ISD::FCEIL,  MVT::f64, Expand);
   setOperationAction(ISD::FRINT,  MVT::f64, Expand);
   setOperationAction(ISD::FTRUNC, MVT::f64, Expand);
+  setOperationAction(ISD::FROUND, MVT::f64, Expand);
   setOperationAction(ISD::FLOG ,  MVT::f128, Expand);
   setOperationAction(ISD::FLOG2,  MVT::f128, Expand);
   setOperationAction(ISD::FLOG10, MVT::f128, Expand);
@@ -790,6 +798,7 @@ void TargetLoweringBase::initActions() {
   setOperationAction(ISD::FCEIL,  MVT::f128, Expand);
   setOperationAction(ISD::FRINT,  MVT::f128, Expand);
   setOperationAction(ISD::FTRUNC, MVT::f128, Expand);
+  setOperationAction(ISD::FROUND, MVT::f128, Expand);
 
   // Default ISD::TRAP to expand (which turns it into abort).
   setOperationAction(ISD::TRAP, MVT::Other, Expand);