PR #122206 [hwasan] Omit tag check for null pointers

[hwasan] Omit tag check for null pointers #122206

thurstond merged 7 commits into llvm:main from thurstond:hwasan_zero_ptr_lower

[hwasan] Optimize lowering of AArch64 check.memaccess for null pointer

57d25733

Omit check during HWASan pass if pointer is statically known to be null

a4c255be

Fix check for known zero value

4c37dd3e

clang-format

5042e587

thurstond changed the title ~~Omit tag check for null pointers~~ [hwasan] Omit tag check for null pointers 337 days ago

llvmbot added backend:AArch64

llvmbot added compiler-rt:sanitizer

llvmbot added llvm:transforms

thurstond requested a review from

dvyukov 337 days ago

thurstond requested a review from

vitalybuka 337 days ago

vitalybuka commented on 2025-01-09

Use Known.isZero(). Update comment.

1a54db93

Whitespace

cbb6b220

Update test comment

7f8c862f

fmayer approved these changes on 2025-01-09

vitalybuka approved these changes on 2025-01-09

thurstond merged 4f42e165 into main 337 days ago

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fmayer

dvyukov

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backend:AArch64 compiler-rt:sanitizer llvm:transforms

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