R600OptimizeVectorRegisters.cpp: Tweak a warning. [-Wsometimes-uninitialized]

FIXME: Is it false alarm?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183371 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/R600/R600OptimizeVectorRegisters.cpp b/lib/Target/R600/R600OptimizeVectorRegisters.cpp
index abdcf5ad1122e403b2aea3f1aad940b559dfe7f2..7c4aee76dda02cb487f5ffe4276e9c69788bd4d7 100644 (file)
--- a/lib/Target/R600/R600OptimizeVectorRegisters.cpp
+++ b/lib/Target/R600/R600OptimizeVectorRegisters.cpp
@@ -179,7 +179,7 @@ MachineInstr *R600VectorRegMerger::RebuildVector(
     unsigned DstReg = MRI->createVirtualRegister(&AMDGPU::R600_Reg128RegClass);
     unsigned SubReg = (*It).first;
     unsigned Swizzle = (*It).second;
-    unsigned Chan;
+    unsigned Chan = 0xDEADBEEF;
     for (unsigned j = 0, je = RemapChan.size(); j < je; j++) {
       if (RemapChan[j].first == Swizzle) {
         Chan = RemapChan[j].second;