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| author | Cameron Zwarich <zwarich@apple.com> | 2010-12-20 00:08:10 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2010-12-20 00:08:10 +0000 |
| commit | 8ec88ba58866a840a27ab5172fd2b954780b52f3 (patch) | |
| tree | f37129dbd3371112452cb2009d445106053aa17e /lib/CodeGen/MachineVerifier.cpp | |
| parent | a0fd0d5b27257c7397e9f6e4234cd600683c9248 (diff) | |
Ignore debug values when performing MachineVerifier liveness checks. Fixes
PR8822.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122207 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | lib/CodeGen/MachineVerifier.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp index f7713fd1ee..4025e296ce 100644 --- a/lib/CodeGen/MachineVerifier.cpp +++ b/lib/CodeGen/MachineVerifier.cpp @@ -587,7 +587,9 @@ MachineVerifier::visitMachineOperand(const MachineOperand *MO, unsigned MONum) { return; // Check Live Variables. - if (MO->isUndef()) { + if (MI->isDebugValue()) { + // Liveness checks are not valid for debug values. + } else if (MO->isUndef()) { // An <undef> doesn't refer to any register, so just skip it. } else if (MO->isUse()) { regsLiveInButUnused.erase(Reg); |