AMDGPU: Remove llvm.AMDGPU.clamp intrinsic

llvm-svn: 295789

2 files changed, 0 insertions, 13 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 9e3ac8b871e..2928945bf8b 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -1013,17 +1013,6 @@ SDValue AMDGPUTargetLowering::LowerINTRINSIC_WO_CHAIN(SDValue Op,
 
   switch (IntrinsicID) {
   default: return Op;
-  case AMDGPUIntrinsic::AMDGPU_clamp: {
-    // Deprecated in favor of emitting min/max combo or fmed3.
-    ConstantFPSDNode *CSrc1 = dyn_cast<ConstantFPSDNode>(Op.getOperand(2));
-    ConstantFPSDNode *CSrc2 = dyn_cast<ConstantFPSDNode>(Op.getOperand(3));
-    if (CSrc1 && CSrc2 && CSrc1->isZero() && CSrc2->isExactlyValue(1.0))
-      return DAG.getNode(AMDGPUISD::CLAMP, DL, VT, Op.getOperand(1));
-
-    SDValue Max = DAG.getNode(ISD::FMAXNUM, DL, VT, Op.getOperand(1),
-                              Op.getOperand(2));
-    return DAG.getNode(ISD::FMINNUM, DL, VT, Max, Op.getOperand(3));
-  }
   case AMDGPUIntrinsic::AMDGPU_bfe_i32:
     return DAG.getNode(AMDGPUISD::BFE_I32, DL, VT,
                        Op.getOperand(1),
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUIntrinsics.td b/llvm/lib/Target/AMDGPU/AMDGPUIntrinsics.td
index a5724cdea6e..2fcf871e5cf 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUIntrinsics.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUIntrinsics.td
@@ -12,8 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 let TargetPrefix = "AMDGPU", isTarget = 1 in {
-  def int_AMDGPU_clamp : Intrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>], [IntrNoMem]>;
-
   def int_AMDGPU_kill : Intrinsic<[], [llvm_float_ty], []>;
   def int_AMDGPU_kilp : Intrinsic<[], [], []>;