From: Tom Stellard <thomas.stellard@amd.com>
Date: Thu, 10 Oct 2013 17:11:19 +0000 (+0000)
Subject: R600/SI: Mark the EXEC register as reserved
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=219e788dc6e38120266d366a51286739fa33123b;p=oota-llvm.git

R600/SI: Mark the EXEC register as reserved

This prevents the machine verifier from complaining about uses of
an undefined physical register.

Reviewed-by: Vincent Lejeune<vljn at ovi.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192364 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/R600/SIRegisterInfo.cpp b/lib/Target/R600/SIRegisterInfo.cpp
index 5d12564fe8b..7f69ef6f286 100644
--- a/lib/Target/R600/SIRegisterInfo.cpp
+++ b/lib/Target/R600/SIRegisterInfo.cpp
@@ -25,6 +25,7 @@ SIRegisterInfo::SIRegisterInfo(AMDGPUTargetMachine &tm)
 
 BitVector SIRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
   BitVector Reserved(getNumRegs());
+  Reserved.set(AMDGPU::EXEC);
   return Reserved;
 }