R600: remove manual BFE optimization

Fixed since r233079

Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
reviewer: arsenm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234715 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp
index 62a33fad64bcecd7e433a9479740cb4f6a6cf903..ad557077f3f31c681fb92f5af9138f090896f478 100644 (file)
--- a/lib/Target/R600/AMDGPUISelLowering.cpp
+++ b/lib/Target/R600/AMDGPUISelLowering.cpp
@@ -1685,14 +1685,8 @@ void AMDGPUTargetLowering::LowerUDIVREM64(SDValue Op,
     const unsigned bitPos = halfBitWidth - i - 1;
     SDValue POS = DAG.getConstant(bitPos, HalfVT);
     // Get value of high bit
-    // TODO: Remove the BFE part when the optimization is fixed
-    SDValue HBit;
-    if (halfBitWidth == 32 && Subtarget->hasBFE()) {
-      HBit = DAG.getNode(AMDGPUISD::BFE_U32, DL, HalfVT, LHS_Lo, POS, one);
-    } else {
-      HBit = DAG.getNode(ISD::SRL, DL, HalfVT, LHS_Lo, POS);
-      HBit = DAG.getNode(ISD::AND, DL, HalfVT, HBit, one);
-    }
+    SDValue HBit = DAG.getNode(ISD::SRL, DL, HalfVT, LHS_Lo, POS);
+    HBit = DAG.getNode(ISD::AND, DL, HalfVT, HBit, one);
     HBit = DAG.getNode(ISD::ZERO_EXTEND, DL, VT, HBit);
 
     // Shift