diff options
Diffstat (limited to 'llvm/lib/CodeGen/Analysis.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/Analysis.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp index 1600c67a7c6..6ac5de2c617 100644 --- a/llvm/lib/CodeGen/Analysis.cpp +++ b/llvm/lib/CodeGen/Analysis.cpp @@ -498,8 +498,7 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, // chain interposes between I and the return. if (I->mayHaveSideEffects() || I->mayReadFromMemory() || !isSafeToSpeculativelyExecute(I)) - for (BasicBlock::const_iterator BBI = prior(prior(ExitBB->end())); ; - --BBI) { + for (BasicBlock::const_iterator BBI = std::prev(ExitBB->end(), 2);; --BBI) { if (&*BBI == I) break; // Debug info intrinsics do not get in the way of tail call optimization. |
