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| author | Nuno Lopes <nunoplopes@sapo.pt> | 2017-08-08 16:13:24 +0000 |
|---|---|---|
| committer | Nuno Lopes <nunoplopes@sapo.pt> | 2017-08-08 16:13:24 +0000 |
| commit | c7d4110aa747e587405e811ddaacc8961c274042 (patch) | |
| tree | 5ec8fd591fe44bab648b0240eb48cd93b20fb61a /llvm/lib/Analysis/BasicAliasAnalysis.cpp | |
| parent | 91b7b991d419c97b9b1d2c72277d1b51619fd8c4 (diff) | |
| download | bcm5719-llvm-c7d4110aa747e587405e811ddaacc8961c274042.tar.gz bcm5719-llvm-c7d4110aa747e587405e811ddaacc8961c274042.zip | |
BasicAA: aliasGEP shouldn't get a PartialAlias response here
add an assert() to ensure that's the case (as I'm not convinced it won't happen)
llvm-svn: 310373
Diffstat (limited to 'llvm/lib/Analysis/BasicAliasAnalysis.cpp')
| -rw-r--r-- | llvm/lib/Analysis/BasicAliasAnalysis.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp index e682a644ef2..9bd4349835e 100644 --- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp +++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp @@ -1196,8 +1196,10 @@ AliasResult BasicAAResult::aliasGEP(const GEPOperator *GEP1, uint64_t V1Size, // If we get a No or May, then return it immediately, no amount of analysis // will improve this situation. - if (BaseAlias != MustAlias) + if (BaseAlias != MustAlias) { + assert(BaseAlias == NoAlias || BaseAlias == MayAlias); return BaseAlias; + } // Otherwise, we have a MustAlias. Since the base pointers alias each other // exactly, see if the computed offset from the common pointer tells us |
