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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-03-10 00:36:06 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-03-10 00:36:06 +0000 |
| commit | 9f3e5744ab4cf255f9cbf674a93fb844c510067f (patch) | |
| tree | c324b6c1f5c88171a7b31469d24a01c5723c8a27 /llvm/lib | |
| parent | 6ea6a144583dde3f04374ea6e55e904e790088a5 (diff) | |
| download | bcm5719-llvm-9f3e5744ab4cf255f9cbf674a93fb844c510067f.tar.gz bcm5719-llvm-9f3e5744ab4cf255f9cbf674a93fb844c510067f.zip | |
Add SSA verification to MachineVerifier.
Somehow we never verified SSA dominance before.
llvm-svn: 152458
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index f26886fd20f..91a536d0631 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -1014,8 +1014,18 @@ void MachineVerifier::visitMachineFunctionAfter() { } // Now check liveness info if available - if (LiveVars || LiveInts) - calcRegsRequired(); + calcRegsRequired(); + + if (MRI->isSSA() && !MF->empty()) { + BBInfo &MInfo = MBBInfoMap[&MF->front()]; + for (RegSet::iterator + I = MInfo.vregsRequired.begin(), E = MInfo.vregsRequired.end(); I != E; + ++I) { + report("Virtual register def doesn't dominate all uses.", MF); + *OS << "- register:\t" << PrintReg(*I) << '\n'; + } + } + if (LiveVars) verifyLiveVariables(); if (LiveInts) |
