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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 | 1b67d6c565d9743a5ac1d1c17eabc42b81cd976c (patch) | |
| tree | d97d5dd5994405d0500a3a2fd7661fd7511ceb7b /llvm/lib/CodeGen/MachineVerifier.cpp | |
| parent | 1064992c8426856d5d4f643d9ac26313c179a82a (diff) | |
| download | bcm5719-llvm-1b67d6c565d9743a5ac1d1c17eabc42b81cd976c.tar.gz bcm5719-llvm-1b67d6c565d9743a5ac1d1c17eabc42b81cd976c.zip | |
Ignore debug values when performing MachineVerifier liveness checks. Fixes
PR8822.
llvm-svn: 122207
Diffstat (limited to 'llvm/lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index f7713fd1eec..4025e296ce0 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/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); |
