diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUtils.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp index 79bfea058c2..e158e40ebf9 100644 --- a/llvm/lib/Transforms/Utils/LoopUtils.cpp +++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp @@ -830,6 +830,11 @@ bool llvm::findStringMetadataForLoop(Loop *TheLoop, StringRef Name) { // Return false if LoopID is false. if (!LoopID) return false; + + // First operand should refer to the loop id itself. + assert(LoopID->getNumOperands() > 0 && "requires at least one operand"); + assert(LoopID->getOperand(0) == LoopID && "invalid loop id"); + // Iterate over LoopID operands and look for MDString Metadata for (unsigned i = 1, e = LoopID->getNumOperands(); i < e; ++i) { MDNode *MD = dyn_cast<MDNode>(LoopID->getOperand(i)); |
