This is the patch to provide clean intrinsic function overloading support in LLVM. It cleans up the intrinsic definitions and generally smooths the process for more complicated intrinsic writing. It will be used by the upcoming atomic intrinsics as well as vector and float intrinsics in the future.

This also changes the syntax for llvm.bswap, llvm.part.set, llvm.part.select, and llvm.ct* intrinsics. They are automatically upgraded by both the LLVM ASM reader and the bitcode reader. The test cases have been updated, with special tests added to ensure the automatic upgrading is supported.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40807 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 12 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index d1f7669..afb681f 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -2814,10 +2814,6 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     SDOperand Arg = getValue(I.getOperand(1));
     MVT::ValueType Ty = Arg.getValueType();
     SDOperand result = DAG.getNode(ISD::CTTZ, Ty, Arg);
-    if (Ty < MVT::i32)
-      result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
-    else if (Ty > MVT::i32)
-      result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
     setValue(&I, result);
     return 0;
   }
@@ -2825,10 +2821,6 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     SDOperand Arg = getValue(I.getOperand(1));
     MVT::ValueType Ty = Arg.getValueType();
     SDOperand result = DAG.getNode(ISD::CTLZ, Ty, Arg);
-    if (Ty < MVT::i32)
-      result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
-    else if (Ty > MVT::i32)
-      result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
     setValue(&I, result);
     return 0;
   }
@@ -2836,10 +2828,6 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
     SDOperand Arg = getValue(I.getOperand(1));
     MVT::ValueType Ty = Arg.getValueType();
     SDOperand result = DAG.getNode(ISD::CTPOP, Ty, Arg);
-    if (Ty < MVT::i32)
-      result = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, result);
-    else if (Ty > MVT::i32)
-      result = DAG.getNode(ISD::TRUNCATE, MVT::i32, result);
     setValue(&I, result);
     return 0;
   }