diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp index f298e118210..361963b962b 100644 --- a/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp +++ b/llvm/lib/Target/AArch64/AArch64A57FPLoadBalancing.cpp @@ -662,6 +662,10 @@ maybeKillChain(MachineOperand &MO, unsigned Idx, // determine if a chain should be ended and remove from ActiveChains. MachineInstr *MI = MO.getParent(); + if (MO.isReg() && MO.isDef()) + // We don't care about defs. We see them before uses, so reject them early. + return; + if (MO.isReg()) { // If this is a KILL of a current chain, record it. |
