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authorTom Stellard <thomas.stellard@amd.com>2014-04-09 00:20:55 +0000
committerTom Stellard <thomas.stellard@amd.com>2014-04-09 00:20:55 +0000
commitcccd27683c7fa4a9e8e09d2f2a735a9bb6e56a0b (patch)
treec37eac6126788b3542fcfb84683db1bc7453543d
parentc69aaa1a2ca8dd581aec9aa326ddfd57d4827294 (diff)
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Merging r203054:
------------------------------------------------------------------------ r203054 | hfinkel | 2014-03-05 20:28:23 -0500 (Wed, 05 Mar 2014) | 7 lines The PPC global base register cannot be r0 The global base register cannot be r0 because it might end up as the first argument to addi or addis. Fixes PR18316. I don't have a small stable test case. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205823 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/PowerPC/PPCISelDAGToDAG.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 6ba6af6446..d25762a5bb 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -261,11 +261,11 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() {
DebugLoc dl;
if (PPCLowering.getPointerTy() == MVT::i32) {
- GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRCRegClass);
+ GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::GPRC_NOR0RegClass);
BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR));
BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR), GlobalBaseReg);
} else {
- GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RCRegClass);
+ GlobalBaseReg = RegInfo->createVirtualRegister(&PPC::G8RC_NOX0RegClass);
BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MovePCtoLR8));
BuildMI(FirstMBB, MBBI, dl, TII.get(PPC::MFLR8), GlobalBaseReg);
}