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| author | Matthijs Kooijman <matthijs@stdin.nl> | 2008-06-05 08:48:32 +0000 |
|---|---|---|
| committer | Matthijs Kooijman <matthijs@stdin.nl> | 2008-06-05 08:48:32 +0000 |
| commit | 257da0a7fc2df19444e57e7c84a278c6c1b9b551 (patch) | |
| tree | 81d70701a9aa2db61fd45abf153f2d5bb2fbe816 /lib/Transforms/IPO | |
| parent | 41335411a84aaf709e79b86b7dc109976940b772 (diff) | |
| download | llvm-257da0a7fc2df19444e57e7c84a278c6c1b9b551.tar.gz llvm-257da0a7fc2df19444e57e7c84a278c6c1b9b551.tar.bz2 llvm-257da0a7fc2df19444e57e7c84a278c6c1b9b551.tar.xz | |
Let StructRetPromotion check if it's users are really calling it and not
passing its pointer. Fixes test with added testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51991 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/IPO')
| -rw-r--r-- | lib/Transforms/IPO/StructRetPromotion.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/IPO/StructRetPromotion.cpp b/lib/Transforms/IPO/StructRetPromotion.cpp index 174a6fa767..97a532b8b1 100644 --- a/lib/Transforms/IPO/StructRetPromotion.cpp +++ b/lib/Transforms/IPO/StructRetPromotion.cpp @@ -158,6 +158,10 @@ bool SRETPromotion::isSafeToUpdateAllCallers(Function *F) { for (Value::use_iterator FnUseI = F->use_begin(), FnUseE = F->use_end(); FnUseI != FnUseE; ++FnUseI) { + // The function is passed in as an argument to (possibly) another function, + // we can't change it! + if (FnUseI.getOperandNo() != 0) + return false; CallSite CS = CallSite::get(*FnUseI); Instruction *Call = CS.getInstruction(); |