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Revert D89381 "[SCEV] Recommit "Use nw flag and symbolic iteration count to…
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Authored by MaskRay on Oct 20 2020, 9:03 PM.

Description

Revert D89381 "[SCEV] Recommit "Use nw flag and symbolic iteration count to sharpen ranges of AddRecs", attempt 2"

This reverts commit a10a64e7e334dc878d281aba9a46f751fe606567.

It broke polly/test/ScopInfo/NonAffine/non-affine-loop-condition-dependent-access_3.ll
The difference suggests that this may be a serious issue.

Details

Committed
MaskRayOct 20 2020, 9:03 PM
Parents
rG5e731625f3d6: [NFC][MC] Use [MC]Register in MachineVerifier
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Reverts
D89381: [SCEV] Re-enable "Use nw flag and symbolic iteration count to sharpen ranges of AddRecs", attempt 3
rGa10a64e7e334: [SCEV] Recommit "Use nw flag and symbolic iteration count to sharpen ranges of…

Changes (5)

PathSize
llvm/
include/
llvm/
Analysis/
lib/
Analysis/
test/
Analysis/
ScalarEvolution/
Transforms/
IndVarSimplify/
X86/

rGd9f91a3d1452

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llvm/include/llvm/Analysis/ScalarEvolution.h

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llvm/lib/Analysis/ScalarEvolution.cpp

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llvm/test/Analysis/ScalarEvolution/no-wrap-symbolic-becount.ll

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llvm/test/Transforms/IndVarSimplify/X86/eliminate-trunc.ll

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llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll

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