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[InstCombine] Add more test case to fpextend.ll.

Authored by craig.topper on Mar 1 2018, 5:34 PM.

Description

[InstCombine] Add more test case to fpextend.ll.

This includes the test cases from D43970 and additional tests for combining (fptrunc (binop (fpext), (fpext))) where the pre-extended types don't match the trunc and therefore can't be completely removed.

llvm-svn: 326528

Details

Committed
craig.topperMar 1 2018, 5:34 PM
Parents
rG796d4a885d9a: Always set dso_local in CodeGenModule::setDSOLocal.
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