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RuntimeLibcalls: Add memset_pattern* calls to darwin systems #167083

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Merged
arsenm merged 3 commits into from
Nov 26, 2025
Merged

RuntimeLibcalls: Add memset_pattern* calls to darwin systems #167083

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89e79ea
RuntimeLibcalls: Add malloc and free entries
arsenm Nov 8, 2025
12b2b36
RuntimeLibcalls: Add more function entries from TargetLibraryInfo
arsenm Nov 8, 2025
d668db8
RuntimeLibcalls: Add memset_pattern* calls to darwin systems
arsenm Nov 8, 2025
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10 changes: 10 additions & 0 deletions llvm/include/llvm/IR/RuntimeLibcalls.h
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Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,16 @@ struct RuntimeLibcallsInfo {
return true;
}

static bool darwinHasMemsetPattern(const Triple &TT) {
// memset_pattern{4,8,16} is only available on iOS 3.0 and Mac OS X 10.5 and
// later. All versions of watchOS support it.
if (TT.isMacOSX())
return !TT.isMacOSXVersionLT(10, 5);
if (TT.isiOS())
return !TT.isOSVersionLT(3, 0);
return TT.isWatchOS();
}

static bool hasAEABILibcalls(const Triple &TT) {
return TT.isTargetAEABI() || TT.isTargetGNUAEABI() ||
TT.isTargetMuslAEABI() || TT.isOSFuchsia() || TT.isAndroid();
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