diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegAllocLinearScan.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp index 91dda771475..2cfa755d169 100644 --- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp +++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp @@ -1036,7 +1036,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval *cur) { // If copy coalescer has assigned a "preferred" register, check if it's // available first. if (cur->preference) { - if (prt_->isRegAvail(cur->preference)) { + if (prt_->isRegAvail(cur->preference) && RC->contains(cur->preference)) { DOUT << "\t\tassigned the preferred register: " << tri_->getName(cur->preference) << "\n"; return cur->preference; |
