Diogo Sampaio a99cdef4f6 [BDCE] SExt -> ZExt when no sign bits is used and instruction has multiple uses ...

Summary: This allows to convert any SExt to a ZExt when we know none of the extended bits are used, specially in cases where there are multiple uses of the value.

Reviewers: dmgreen, eli.friedman, spatel, lebedev.ri, nikic

Reviewed By: lebedev.ri, nikic

Subscribers: hiraditya, dmgreen, craig.topper, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D60413

2020-07-10 08:34:53 +01:00

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basic.ll

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dbg-multipleuses.ll

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dce-pure.ll

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dead-uses.ll

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dead-void-ro.ll

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invalidate-assumptions.ll

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order.ll

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pr26587.ll

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pr41925.ll

Clang-trunk Generates Wrong Debug values with -O1

2019-11-21 13:53:10 -08:00

sext_multi_uses.ll

[BDCE] SExt -> ZExt when no sign bits is used and instruction has multiple uses

2020-07-10 08:34:53 +01:00

vectors.ll

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