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| author | dim <dim@FreeBSD.org> | 2011-06-12 18:01:31 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-06-12 18:01:31 +0000 |
| commit | d4c7939beafe09c033866ebd290e274af0cc826d (patch) | |
| tree | a9b264321873e7d25e69b8671c9f705ebc6d30ee /contrib/llvm/lib/CodeGen/UnreachableBlockElim.cpp | |
| parent | b164882ef981a8ed5c085469231831e221fa1323 (diff) | |
| parent | ece02cd5829cea836e9365b0845a8ef042d17b0a (diff) | |
| download | FreeBSD-src-d4c7939beafe09c033866ebd290e274af0cc826d.zip FreeBSD-src-d4c7939beafe09c033866ebd290e274af0cc826d.tar.gz | |
Upgrade our copy of llvm/clang to r132879, from upstream's trunk.
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; } |
