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authorNick Lewycky <nicholas@mxc.ca>2011-11-21 19:42:56 +0000
committerNick Lewycky <nicholas@mxc.ca>2011-11-21 19:42:56 +0000
commit9f47fb66370e5513bb9f737923e8cb476088acec (patch)
treef67d6d837f3080225341c04e8eae07a439fb1e29 /lib/Analysis/CaptureTracking.cpp
parent6935b78e6f3b7dca7786041c56c9a795d2247659 (diff)
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Fix crasher in GVN due to my recent capture tracking changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145047 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis/CaptureTracking.cpp')
-rw-r--r--lib/Analysis/CaptureTracking.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Analysis/CaptureTracking.cpp b/lib/Analysis/CaptureTracking.cpp
index 03bd70dfa3..9a7992e38d 100644
--- a/lib/Analysis/CaptureTracking.cpp
+++ b/lib/Analysis/CaptureTracking.cpp
@@ -53,6 +53,9 @@ namespace {
/// counts as capturing it or not.
bool llvm::PointerMayBeCaptured(const Value *V,
bool ReturnCaptures, bool StoreCaptures) {
+ assert(!isa<GlobalValue>(V) &&
+ "It doesn't make sense to ask whether a global is captured.");
+
// TODO: If StoreCaptures is not true, we could do Fancy analysis
// to determine whether this store is not actually an escape point.
// In that case, BasicAliasAnalysis should be updated as well to