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[Constant Hoisting] Hoisting Constant GEP Expressions
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Authored by Zhaoshi Zheng <zhaoshiz@coduaurora.org> on Aug 31 2018, 5:04 PM.

Description

[Constant Hoisting] Hoisting Constant GEP Expressions

Leverage existing logic in constant hoisting pass to transform constant GEP
expressions sharing the same base global variable. Multi-dimensional GEPs are
rewritten into single-dimensional GEPs.

Differential Revision: https://reviews.llvm.org/D51396

llvm-svn: 341269

Details

Committed

Zhaoshi Zheng <zhaoshiz@coduaurora.org>

Aug 31 2018, 5:04 PM

Differential Revision

D51396: [Constant Hoisting] Hoisting Constant GEP Expressions

Parents

rG78a10a7a9bb2: File completion bugfix

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Zhaoshi Zheng <zhaoshiz@coduaurora.org> committed rGf5297fb24bf0: [Constant Hoisting] Hoisting Constant GEP Expressions (authored by Zhaoshi Zheng <zhaoshiz@coduaurora.org>).Aug 31 2018, 5:04 PM

Changes (6)

				Path	Packages
	M			llvm/include/llvm/Transforms/Scalar/ConstantHoisting.h
	M			llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
	A			llvm/test/CodeGen/AArch64/consthoist-gep.ll
	A			llvm/test/Transforms/ConstantHoisting/AArch64/const-hoist-gep.ll
	A			llvm/test/Transforms/ConstantHoisting/ARM/const-hoist-gep.ll
	A			llvm/test/Transforms/ConstantHoisting/ARM/same-offset-multi-types.ll