1 files changed, 74 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/R600/AMDGPUCallingConv.td b/contrib/llvm/lib/Target/R600/AMDGPUCallingConv.td
new file mode 100644
index 000000000000..65cdb2467336
--- /dev/null
+++ b/contrib/llvm/lib/Target/R600/AMDGPUCallingConv.td
@@ -0,0 +1,74 @@
+//===---- AMDCallingConv.td - Calling Conventions for Radeon GPUs ---------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This describes the calling conventions for the AMD Radeon GPUs.
+//
+//===----------------------------------------------------------------------===//
+
+// Inversion of CCIfInReg
+class CCIfNotInReg<CCAction A> : CCIf<"!ArgFlags.isInReg()", A> {}
+
+// Calling convention for SI
+def CC_SI : CallingConv<[
+
+  CCIfInReg<CCIfType<[f32, i32] , CCAssignToReg<[
+    SGPR0, SGPR1, SGPR2, SGPR3, SGPR4, SGPR5, SGPR6, SGPR7,
+    SGPR8, SGPR9, SGPR10, SGPR11, SGPR12, SGPR13, SGPR14, SGPR15,
+    SGPR16
+  ]>>>,
+
+  CCIfInReg<CCIfType<[i64] , CCAssignToRegWithShadow<
+    [ SGPR0, SGPR2, SGPR4, SGPR6, SGPR8, SGPR10, SGPR12, SGPR14 ],
+    [ SGPR1, SGPR3, SGPR5, SGPR7, SGPR9, SGPR11, SGPR13, SGPR15 ]
+  >>>,
+
+  CCIfNotInReg<CCIfType<[f32, i32] , CCAssignToReg<[
+    VGPR0, VGPR1, VGPR2, VGPR3, VGPR4, VGPR5, VGPR6, VGPR7,
+    VGPR8, VGPR9, VGPR10, VGPR11, VGPR12, VGPR13, VGPR14, VGPR15,
+    VGPR16, VGPR17, VGPR18, VGPR19, VGPR20, VGPR21, VGPR22, VGPR23,
+    VGPR24, VGPR25, VGPR26, VGPR27, VGPR28, VGPR29, VGPR30, VGPR31
+  ]>>>,
+
+  CCIfByVal<CCIfType<[i64] , CCAssignToRegWithShadow<
+    [ SGPR0, SGPR2, SGPR4, SGPR6, SGPR8, SGPR10, SGPR12, SGPR14 ],
+    [ SGPR1, SGPR3, SGPR5, SGPR7, SGPR9, SGPR11, SGPR13, SGPR15 ]
+  >>>
+
+]>;
+
+// Calling convention for R600
+def CC_R600 : CallingConv<[
+  CCIfInReg<CCIfType<[v4f32, v4i32] , CCAssignToReg<[
+    T0_XYZW, T1_XYZW, T2_XYZW, T3_XYZW, T4_XYZW, T5_XYZW, T6_XYZW, T7_XYZW,
+    T8_XYZW, T9_XYZW, T10_XYZW, T11_XYZW, T12_XYZW, T13_XYZW, T14_XYZW, T15_XYZW,
+    T16_XYZW, T17_XYZW, T18_XYZW, T19_XYZW, T20_XYZW, T21_XYZW, T22_XYZW,
+    T23_XYZW, T24_XYZW, T25_XYZW, T26_XYZW, T27_XYZW, T28_XYZW, T29_XYZW,
+    T30_XYZW, T31_XYZW, T32_XYZW
+  ]>>>
+]>;
+
+// Calling convention for compute kernels
+def CC_AMDGPU_Kernel : CallingConv<[
+  CCCustom<"allocateStack">
+]>;
+
+def CC_AMDGPU : CallingConv<[
+  CCIf<"State.getTarget().getSubtarget<AMDGPUSubtarget>().getGeneration() >= "
+       "AMDGPUSubtarget::SOUTHERN_ISLANDS && "
+       "State.getMachineFunction().getInfo<SIMachineFunctionInfo>()->"#
+       "ShaderType == ShaderType::COMPUTE", CCDelegateTo<CC_AMDGPU_Kernel>>,
+  CCIf<"State.getTarget().getSubtarget<AMDGPUSubtarget>().getGeneration() < "
+       "AMDGPUSubtarget::SOUTHERN_ISLANDS && "
+       "State.getMachineFunction().getInfo<R600MachineFunctionInfo>()->"
+       "ShaderType == ShaderType::COMPUTE", CCDelegateTo<CC_AMDGPU_Kernel>>,
+  CCIf<"State.getTarget().getSubtarget<AMDGPUSubtarget>()"#
+       ".getGeneration() >= AMDGPUSubtarget::SOUTHERN_ISLANDS", CCDelegateTo<CC_SI>>,
+  CCIf<"State.getTarget().getSubtarget<AMDGPUSubtarget>()"#
+       ".getGeneration() < AMDGPUSubtarget::SOUTHERN_ISLANDS", CCDelegateTo<CC_R600>>
+]>;