From 69156b4c20249e7800cc09e0eef0beb3d15ac1ad Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 6 Sep 2015 18:34:38 +0000
Subject: Import llvm 3.7.0 release (r246257).

---
 lib/Target/AMDGPU/SIRegisterInfo.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/Target/AMDGPU/SIRegisterInfo.cpp')

diff --git a/lib/Target/AMDGPU/SIRegisterInfo.cpp b/lib/Target/AMDGPU/SIRegisterInfo.cpp
index ce4acafac9fa..54c4d549fac7 100644
--- 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) {
@@ -499,7 +500,7 @@ unsigned SIRegisterInfo::findUnusedRegister(const MachineRegisterInfo &MRI,
 
   for (TargetRegisterClass::iterator I = RC->begin(), E = RC->end();
        I != E; ++I) {
-    if (MRI.reg_nodbg_empty(*I))
+    if (!MRI.isPhysRegUsed(*I))
       return *I;
   }
   return AMDGPU::NoRegister;
-- 
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