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| author | Dan Gohman <gohman@apple.com> | 2010-06-05 00:33:07 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-06-05 00:33:07 +0000 |
| commit | bbfb6aca92e71f58deb7307dec7748a7c754c598 (patch) | |
| tree | 59ce68c35b0cddecd40ec82c016cf32c2a0de95e /llvm/lib/Analysis/ScalarEvolutionExpander.cpp | |
| parent | df1a7f83bf1322a7dba1e393d316420665a6a651 (diff) | |
| download | bcm5719-llvm-bbfb6aca92e71f58deb7307dec7748a7c754c598.tar.gz bcm5719-llvm-bbfb6aca92e71f58deb7307dec7748a7c754c598.zip | |
LSR needs to remember inserted instructions even in postinc mode, because
there could be multiple subexpressions within a single expansion which
require insert point adjustment. This fixes PR7306.
llvm-svn: 105510
Diffstat (limited to 'llvm/lib/Analysis/ScalarEvolutionExpander.cpp')
| -rw-r--r-- | llvm/lib/Analysis/ScalarEvolutionExpander.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp index 0012b84e1f0..4f49bf17fb4 100644 --- a/llvm/lib/Analysis/ScalarEvolutionExpander.cpp +++ b/llvm/lib/Analysis/ScalarEvolutionExpander.cpp @@ -1312,7 +1312,9 @@ Value *SCEVExpander::expand(const SCEV *S) { } void SCEVExpander::rememberInstruction(Value *I) { - if (PostIncLoops.empty()) + if (!PostIncLoops.empty()) + InsertedPostIncValues.insert(I); + else InsertedValues.insert(I); // If we just claimed an existing instruction and that instruction had |
