[llvm] r192555 - R600/SI: Support byval arguments

[Vincent Lejeune]

Author: vljn
Date: Sun Oct 13 12:56:16 2013
New Revision: 192555

URL: http://llvm.org/viewvc/llvm-project?rev=192555&view=rev
Log:
R600/SI: Support byval arguments

Modified:
    llvm/trunk/lib/Target/R600/AMDGPUCallingConv.td
    llvm/trunk/lib/Target/R600/SIISelLowering.cpp

Modified: llvm/trunk/lib/Target/R600/AMDGPUCallingConv.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/AMDGPUCallingConv.td?rev=192555&r1=192554&r2=192555&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/AMDGPUCallingConv.td (original)
+++ llvm/trunk/lib/Target/R600/AMDGPUCallingConv.td Sun Oct 13 12:56:16 2013
@@ -33,7 +33,12 @@ def CC_SI : CallingConv<[
     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 ]
+  >>>
 
 ]>;
 

Modified: llvm/trunk/lib/Target/R600/SIISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/R600/SIISelLowering.cpp?rev=192555&r1=192554&r2=192555&view=diff
==============================================================================
--- llvm/trunk/lib/Target/R600/SIISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/R600/SIISelLowering.cpp Sun Oct 13 12:56:16 2013
@@ -158,7 +158,8 @@ SDValue SITargetLowering::LowerFormalArg
     const ISD::InputArg &Arg = Ins[i];
 
     // First check if it's a PS input addr
-    if (Info->ShaderType == ShaderType::PIXEL && !Arg.Flags.isInReg()) {
+    if (Info->ShaderType == ShaderType::PIXEL && !Arg.Flags.isInReg() &&
+        !Arg.Flags.isByVal()) {
 
       assert((PSInputNum <= 15) && "Too many PS inputs!");