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| author | Bill Wendling <isanbard@gmail.com> | 2011-10-17 18:43:40 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2011-10-17 18:43:40 +0000 |
| commit | 63a4ea185965b3278fb07b7b865910eb18ee83ad (patch) | |
| tree | d4469cba160af830b117b8b8075ed7197f613e03 /llvm/lib/Transforms | |
| parent | 975bfc9b45ef7384a4d744fb5f7fdf61325001bf (diff) | |
| download | bcm5719-llvm-63a4ea185965b3278fb07b7b865910eb18ee83ad.tar.gz bcm5719-llvm-63a4ea185965b3278fb07b7b865910eb18ee83ad.zip | |
Correct over-zealous removal of hack.
Some code want to check that *any* call within a function has the 'returns
twice' attribute, not just that the current function has one.
llvm-svn: 142221
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp b/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp index 1022485a948..e21eb9dca27 100644 --- a/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp +++ b/llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp @@ -213,7 +213,7 @@ bool TailCallElim::runOnFunction(Function &F) { // Finally, if this function contains no non-escaping allocas, or calls // setjmp, mark all calls in the function as eligible for tail calls //(there is no stack memory for them to access). - if (!FunctionContainsEscapingAllocas && !F.hasFnAttr(Attribute::ReturnsTwice)) + if (!FunctionContainsEscapingAllocas && !F.callsFunctionThatReturnsTwice()) for (Function::iterator BB = F.begin(), E = F.end(); BB != E; ++BB) for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I) if (CallInst *CI = dyn_cast<CallInst>(I)) { |
