diff options
| author | hrs <hrs@FreeBSD.org> | 2011-06-16 12:24:02 +0000 |
|---|---|---|
| committer | hrs <hrs@FreeBSD.org> | 2011-06-16 12:24:02 +0000 |
| commit | 7afd303ca9e45353e1af220a988ddac723fde355 (patch) | |
| tree | 356c3cc3903b4ba969f103c2c6ccc21fc748bdaa /contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp | |
| parent | b2a6f5600367e61c439c79db2317d4619960e2ce (diff) | |
| parent | cc8fba8d7c933e32931cfc80150a2ed465e70825 (diff) | |
| download | FreeBSD-src-7afd303ca9e45353e1af220a988ddac723fde355.zip FreeBSD-src-7afd303ca9e45353e1af220a988ddac723fde355.tar.gz | |
Merge from HEAD@222977.
Diffstat (limited to 'contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp')
| -rw-r--r-- | contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp b/contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp index 48d8ab1..52693f0 100644 --- a/contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp +++ b/contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp @@ -196,8 +196,11 @@ bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) { temp->eraseFromParent(); ModifiedPHI = true; - if (Input != Output) - F.getRegInfo().replaceRegWith(Output, Input); + if (Input != Output) { + MachineRegisterInfo &MRI = F.getRegInfo(); + MRI.constrainRegClass(Input, MRI.getRegClass(Output)); + MRI.replaceRegWith(Output, Input); + } continue; } |
