AMDGPU: Rename builtins to use amdgcn prefix

Keep the ones still used by libclc around for now.

Emit the new amdgcn intrinsic name if not targeting r600,
in which case the old AMDGPU name is still used.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@258560 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 39 insertions, 25 deletions

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 787ac5361b..25ef606c5e 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -6887,8 +6887,8 @@ static Value *emitFPIntBuiltin(CodeGenFunction &CGF,
 Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
                                               const CallExpr *E) {
   switch (BuiltinID) {
-  case AMDGPU::BI__builtin_amdgpu_div_scale:
-  case AMDGPU::BI__builtin_amdgpu_div_scalef: {
+  case AMDGPU::BI__builtin_amdgcn_div_scale:
+  case AMDGPU::BI__builtin_amdgcn_div_scalef: {
     // Translate from the intrinsics's struct return to the builtin's out
     // argument.
 
@@ -6898,7 +6898,7 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
     llvm::Value *Y = EmitScalarExpr(E->getArg(1));
     llvm::Value *Z = EmitScalarExpr(E->getArg(2));
 
-    llvm::Value *Callee = CGM.getIntrinsic(Intrinsic::AMDGPU_div_scale,
+    llvm::Value *Callee = CGM.getIntrinsic(Intrinsic::amdgcn_div_scale,
                                            X->getType());
 
     llvm::Value *Tmp = Builder.CreateCall(Callee, {X, Y, Z});
@@ -6913,40 +6913,54 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
     Builder.CreateStore(FlagExt, FlagOutPtr);
     return Result;
   }
-  case AMDGPU::BI__builtin_amdgpu_div_fmas:
-  case AMDGPU::BI__builtin_amdgpu_div_fmasf: {
+  case AMDGPU::BI__builtin_amdgcn_div_fmas:
+  case AMDGPU::BI__builtin_amdgcn_div_fmasf: {
     llvm::Value *Src0 = EmitScalarExpr(E->getArg(0));
     llvm::Value *Src1 = EmitScalarExpr(E->getArg(1));
     llvm::Value *Src2 = EmitScalarExpr(E->getArg(2));
     llvm::Value *Src3 = EmitScalarExpr(E->getArg(3));
 
-    llvm::Value *F = CGM.getIntrinsic(Intrinsic::AMDGPU_div_fmas,
+    llvm::Value *F = CGM.getIntrinsic(Intrinsic::amdgcn_div_fmas,
                                       Src0->getType());
     llvm::Value *Src3ToBool = Builder.CreateIsNotNull(Src3);
     return Builder.CreateCall(F, {Src0, Src1, Src2, Src3ToBool});
   }
-  case AMDGPU::BI__builtin_amdgpu_div_fixup:
-  case AMDGPU::BI__builtin_amdgpu_div_fixupf:
-    return emitTernaryFPBuiltin(*this, E, Intrinsic::AMDGPU_div_fixup);
-  case AMDGPU::BI__builtin_amdgpu_trig_preop:
-  case AMDGPU::BI__builtin_amdgpu_trig_preopf:
-    return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_trig_preop);
-  case AMDGPU::BI__builtin_amdgpu_rcp:
-  case AMDGPU::BI__builtin_amdgpu_rcpf:
-    return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rcp);
+  case AMDGPU::BI__builtin_amdgcn_div_fixup:
+  case AMDGPU::BI__builtin_amdgcn_div_fixupf:
+    return emitTernaryFPBuiltin(*this, E, Intrinsic::amdgcn_div_fixup);
+  case AMDGPU::BI__builtin_amdgcn_trig_preop:
+  case AMDGPU::BI__builtin_amdgcn_trig_preopf:
+    return emitFPIntBuiltin(*this, E, Intrinsic::amdgcn_trig_preop);
+  case AMDGPU::BI__builtin_amdgcn_rcp:
+  case AMDGPU::BI__builtin_amdgcn_rcpf:
+    return emitUnaryFPBuiltin(*this, E, Intrinsic::amdgcn_rcp);
+  case AMDGPU::BI__builtin_amdgcn_rsq:
+  case AMDGPU::BI__builtin_amdgcn_rsqf:
+    return emitUnaryFPBuiltin(*this, E, Intrinsic::amdgcn_rsq);
+  case AMDGPU::BI__builtin_amdgcn_rsq_clamped:
+  case AMDGPU::BI__builtin_amdgcn_rsq_clampedf:
+    return emitUnaryFPBuiltin(*this, E, Intrinsic::amdgcn_rsq_clamped);
+  case AMDGPU::BI__builtin_amdgcn_ldexp:
+  case AMDGPU::BI__builtin_amdgcn_ldexpf:
+    return emitFPIntBuiltin(*this, E, Intrinsic::amdgcn_ldexp);
+  case AMDGPU::BI__builtin_amdgcn_class:
+  case AMDGPU::BI__builtin_amdgcn_classf:
+    return emitFPIntBuiltin(*this, E, Intrinsic::amdgcn_class);
+
+    // Legacy amdgpu prefix
   case AMDGPU::BI__builtin_amdgpu_rsq:
-  case AMDGPU::BI__builtin_amdgpu_rsqf:
-    return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rsq);
-  case AMDGPU::BI__builtin_amdgpu_rsq_clamped:
-  case AMDGPU::BI__builtin_amdgpu_rsq_clampedf:
-    return emitUnaryFPBuiltin(*this, E, Intrinsic::AMDGPU_rsq_clamped);
+  case AMDGPU::BI__builtin_amdgpu_rsqf: {
+    if (getTarget().getTriple().getArch() == Triple::amdgcn)
+      return emitUnaryFPBuiltin(*this, E, Intrinsic::amdgcn_rsq);
+    return emitUnaryFPBuiltin(*this, E, Intrinsic::r600_rsq);
+  }
   case AMDGPU::BI__builtin_amdgpu_ldexp:
-  case AMDGPU::BI__builtin_amdgpu_ldexpf:
+  case AMDGPU::BI__builtin_amdgpu_ldexpf: {
+    if (getTarget().getTriple().getArch() == Triple::amdgcn)
+      return emitFPIntBuiltin(*this, E, Intrinsic::amdgcn_ldexp);
     return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_ldexp);
-  case AMDGPU::BI__builtin_amdgpu_class:
-  case AMDGPU::BI__builtin_amdgpu_classf:
-    return emitFPIntBuiltin(*this, E, Intrinsic::AMDGPU_class);
-   default:
+  }
+  default:
     return nullptr;
   }
 }