Skip to content

Reserve R9 on armv6 iOS 2.x #150835

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 15 commits into from
Oct 1, 2025
Merged

Reserve R9 on armv6 iOS 2.x #150835

Changes from 4 commits
Commits
Show all changes
15 commits
Select commit Hold shift + click to select a range
55f1ff0
Reserve R9 on iOS before 3.0
Un1q32 Jul 27, 2025
bdf113a
Merge branch 'llvm:main' into main
Un1q32 Aug 2, 2025
e1fdb0d
Merge branch 'llvm:main' into main
Un1q32 Aug 17, 2025
1eec424
Merge branch 'llvm:main' into main
Un1q32 Aug 26, 2025
2e74395
add test for iOS 2 ABI
Un1q32 Aug 27, 2025
4f3b835
apply this to armv6 and armv6k
Un1q32 Aug 27, 2025
1cf6018
remove whitespace
Un1q32 Aug 27, 2025
ae62d10
Merge branch 'llvm:main' into main
Un1q32 Sep 3, 2025
04ac545
Merge branch 'main' into main
Un1q32 Sep 6, 2025
085f7ce
Merge branch 'llvm:main' into main
Un1q32 Sep 10, 2025
4253d55
Merge branch 'main' into main
Un1q32 Sep 15, 2025
d4b9797
Merge branch 'main' into main
Un1q32 Sep 22, 2025
82e448e
Merge branch 'llvm:main' into main
Un1q32 Sep 29, 2025
e3e5f50
Update llvm/test/CodeGen/ARM/inline-asm-clobber.ll
Un1q32 Sep 29, 2025
f1e3a21
oh hey does this work?
Un1q32 Sep 29, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion llvm/lib/Target/ARM/ARMSubtarget.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -227,7 +227,10 @@ void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
(Options.UnsafeFPMath || isTargetDarwin()))
HasNEONForFP = true;

if (isRWPI())
if (isRWPI() ||
(isTargetIOS() &&
ARM::parseArch(TargetTriple.getArchName()) == ARM::ArchKind::ARMV6K &&
TargetTriple.isOSVersionLT(3, 0)))
ReserveR9 = true;

// If MVEVectorCostFactor is still 0 (has not been set to anything else), default it to 2
Expand Down
Loading