diff options
Diffstat (limited to 'lib/Transforms/Scalar/CodeGenPrepare.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/CodeGenPrepare.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index 6dd02d2872..93e9bfbe35 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -714,8 +714,12 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr, MemoryInst->replaceUsesOfWith(Addr, SunkAddr); - if (Addr->use_empty()) + if (Addr->use_empty()) { RecursivelyDeleteTriviallyDeadInstructions(Addr); + // This address is now available for reassignment, so erase the table entry; + // we don't want to match some completely different instruction. + SunkAddrs[Addr] = 0; + } return true; } |