commit c9bc8a55809d831d8a54381bfdebc88b8a0ed38c
author Tim Northover <tnorthover@apple.com> Fri Jan 27 21:31:17 2017 +0000
committer Tim Northover <tnorthover@apple.com> Fri Jan 27 21:31:17 2017 +0000
tree aa6e2919565cd221d1048e8018b8edccb57073a3
parent 78aacbe2f9e26ba327a5d97e6e79f24b547db8c6

GlobalISel: mark incoming landing-pad registers as live.

Should fix machine verifier failures.

llvm-svn: 293334

llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp

diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
index 4a642f4..ce3e682 100644
--- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
@@ -759,6 +759,7 @@
   SmallVector<unsigned, 2> Regs;
   SmallVector<uint64_t, 2> Offsets;
   if (unsigned Reg = TLI.getExceptionPointerRegister(PersonalityFn)) {
+    MBB.addLiveIn(Reg);
     unsigned VReg = MRI->createGenericVirtualRegister(Tys[0]);
     MIRBuilder.buildCopy(VReg, Reg);
     Regs.push_back(VReg);
@@ -766,6 +767,7 @@
   }
 
   if (unsigned Reg = TLI.getExceptionSelectorRegister(PersonalityFn)) {
+    MBB.addLiveIn(Reg);
     unsigned VReg = MRI->createGenericVirtualRegister(Tys[1]);
     MIRBuilder.buildCopy(VReg, Reg);
     Regs.push_back(VReg);