AMDGPU/SI: Add missing spill class

The compiler was failing to spill for some shaders.

Patch By: Axel Davy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245087 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/AMDGPU/SIRegisterInfo.cpp b/lib/Target/AMDGPU/SIRegisterInfo.cpp
index 9834aa9ecb5671982061000b7983b8479b3e635e..a0e6fba745cbeac0c58a219d80dbf11fafd5012f 100644 (file)
--- a/lib/Target/AMDGPU/SIRegisterInfo.cpp
+++ b/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -348,7 +348,8 @@ const TargetRegisterClass *SIRegisterInfo::getPhysRegClass(unsigned Reg) const {
     &AMDGPU::SReg_128RegClass,
     &AMDGPU::VReg_256RegClass,
     &AMDGPU::SReg_256RegClass,
-    &AMDGPU::VReg_512RegClass
+    &AMDGPU::VReg_512RegClass,
+    &AMDGPU::SReg_512RegClass
   };
 
   for (const TargetRegisterClass *BaseClass : BaseClasses) {