https://bugs.llvm.org/show_bug.cgi?id=43692
Bug ID: 43692
Summary: [IndVarSimplify] Functional change with
-DLLVM_ENABLE_ASSERTIONS=OFF
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: unassignedb...@nondot.org
Reporter: pauls...@linux.vnet.ibm.com
CC: llvm-bugs@lists.llvm.org
Created attachment 22678
--> https://bugs.llvm.org/attachment.cgi?id=22678&action=edit
reduced testcase
opt -mtriple=s390x-linux-gnu -mcpu=z14 tc_asserts_FC.ll -O3
Depending on -DLLVM_ENABLE_ASSERTIONS= OFF or ON, this gives a different
output.
After Induction Variable Simplification:
with asserts <> no asserts
zext | sext
icmp ne | icmp slt
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