https://bugs.llvm.org/show_bug.cgi?id=49043
Bug ID: 49043
Summary: [AssumptionCache] Assertion "Cache contains multiple
copies of a call! "' failed.
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 24484
--> https://bugs.llvm.org/attachment.cgi?id=24484&action=edit
reduced testcase
opt -mtriple=s390x-unknown-linux -mcpu=z13 -O3 -enable-gvn-sink tc.ll
AssumptionCache.cpp:246: void
llvm::AssumptionCache::registerAssumption(llvm::CallInst*): Assertion
`AssumptionSet.insert(VH).second && "Cache contains multiple copies of a
call!"' failed.
#11 0x000002aa164a48b6 (anonymous namespace)::LoopUnroll::runOnLoop
A git bisect showed that f88a797 "[LoopDeletion] Allows deletion of possibly
infinite side-effect free loops" seems to be the first commit that resulted in
/ exposed this error.
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