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| author | Devang Patel <dpatel@apple.com> | 2010-03-17 23:52:37 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-03-17 23:52:37 +0000 |
| commit | 7976f6f03cddbab019caeb034ebd55ad4476bfeb (patch) | |
| tree | 26ff636f6204b831ae9548bd51314202960759f4 /llvm/lib/CodeGen | |
| parent | 274a0d3794b98ce17947b8c06eb184bdce58742e (diff) | |
| download | bcm5719-llvm-7976f6f03cddbab019caeb034ebd55ad4476bfeb.tar.gz bcm5719-llvm-7976f6f03cddbab019caeb034ebd55ad4476bfeb.zip | |
Debug info intrinsic does not intefer during tail call optimization.
llvm-svn: 98778
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 11293e47f64..07dc2384a98 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -4282,6 +4282,9 @@ isInTailCallPosition(CallSite CS, Attributes CalleeRetAttr, --BBI) { if (&*BBI == I) break; + // Debug info intrinsic does not intefer during tail call optimization. + if (isa<DbgInfoIntrinsic>(BBI)) + continue; if (BBI->mayHaveSideEffects() || BBI->mayReadFromMemory() || !BBI->isSafeToSpeculativelyExecute()) return false; |
