https://bugs.llvm.org/show_bug.cgi?id=38984
Bug ID: 38984
Summary: InstCombine assertion at vector gep/icmp folding
Product: new-bugs
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: unassignedb...@nondot.org
Reporter: jesper.antons...@ericsson.com
CC: llvm-bugs@lists.llvm.org
Created attachment 20886
--> https://bugs.llvm.org/attachment.cgi?id=20886&action=edit
reduced reproducer
The attached IR fails with:
opt: ../lib/IR/Value.cpp:413: void llvm::Value::doRAUW(llvm::Value *,
llvm::Value::ReplaceMetadataUses): Assertion `New->getType() == getType() &&
"replaceAllUses of value with new value of different type!"' failed.
when invoking:
opt -instcombine -S addr_diff_reduced.ll
The reason is that InstCombiner::foldGEPICmp() sees a vector icmp that it knows
to be all true and tries to replace it with an i1 true value.
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