[AMDGPU] Increases available SGPR for Calling Convention
Summary:
SGPR in CC can be either hw initialized or set by other chained shaders
and so this increases the SGPR count availalbe to CC to 105.
Change-Id: I3dfadc750fe4a3e2bd07117a2899fd13f3e2fef3
Subscribers: arsenm, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61261
llvm-svn: 360778
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
index 409fbfa..1f813ef 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
@@ -63,9 +63,9 @@
case MVT::v2f32:
case MVT::v4i16:
case MVT::v4f16: {
- // Up to SGPR0-SGPR39
+ // Up to SGPR0-SGPR105
return allocateCCRegs(ValNo, ValVT, LocVT, LocInfo, ArgFlags, State,
- &AMDGPU::SGPR_64RegClass, 20);
+ &AMDGPU::SGPR_64RegClass, 53);
}
default:
return false;