llvm-project
[SDAG] fix miss opt: shl nuw + zext adds unnecessary masking
#172046

Merged

[SDAG] fix miss opt: shl nuw + zext adds unnecessary masking #172046

actinks merged 5 commits into llvm:main from actinks:shl-nuw-zext

actinks requested a review from

RKSimon 192 days ago

llvmbot added backend:X86

llvmbot added llvm:SelectionDAG

actinks force pushed 192 days ago

arsenm commented on 2025-12-12

topperc commented on 2025-12-12

actinks force pushed 192 days ago

topperc commented on 2025-12-13

actinks force pushed to dadbde14 192 days ago

actinks force pushed from dadbde14 191 days ago

actinks requested a review from

arsenm 190 days ago

actinks requested a review from

topperc 190 days ago

arsenm commented on 2025-12-14

actinks force pushed 189 days ago

actinks force pushed 188 days ago

topperc commented on 2025-12-16

actinks requested a review from

topperc 188 days ago

actinks requested a review from

arsenm 188 days ago

[SDAG] fix miss opt: shl nuw + zext adds unnecessary masking

f4030d5a

fixup shl's promote, add trunc flags

567fe5a3

rebase precommit

d868655f

fixup inconsistent bracing within if/else

b3af8dd2

actinks force pushed to b3af8dd2 180 days ago

RKSimon requested changes on 2026-01-12

comment TODO computeKnownBits

f7d65f9e

actinks requested a review from

RKSimon 162 days ago

RKSimon approved these changes on 2026-01-12

actinks merged ad3e3d80 into main 161 days ago

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RKSimon

topperc

arsenm

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backend:X86 llvm:SelectionDAG

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llvm-project [SDAG] fix miss opt: shl nuw + zext adds unnecessary masking #172046 Merged

[SDAG] fix miss opt: shl nuw + zext adds unnecessary masking #172046

llvm-project
[SDAG] fix miss opt: shl nuw + zext adds unnecessary masking
#172046

Merged