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[Attributor] Teach AANoCapture to use information in-flight more aggressively

Authored by jdoerfert on Oct 20 2019, 5:48 PM.

Description

[Attributor] Teach AANoCapture to use information in-flight more aggressively

AAReturnedValues, AAMemoryBehavior, and AANoUnwind, can provide
information that helps during the tracking or even justifies no-capture.
We now use this information and enable no-capture in some test cases
designed a long while a ago for these cases.

llvm-svn: 375382

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Committed
jdoerfertOct 20 2019, 5:48 PM
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rGe78414622ddb: [X86] Check Subtarget.hasSSE3() before calling shouldUseHorizontalOp and…
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