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-rw-r--r--llvm/lib/Analysis/TargetLibraryInfo.cpp10
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp
index fb678febe23..b3cd40e098e 100644
--- a/llvm/lib/Analysis/TargetLibraryInfo.cpp
+++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp
@@ -413,17 +413,17 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T,
TLI.setUnavailable(LibFunc_flsll);
}
- // The following functions are available on Linux,
- // but Android uses bionic instead of glibc.
- if (!T.isOSLinux() || T.isAndroid()) {
+ // The following functions are only available on GNU/Linux (using glibc).
+ // Linux variants without glibc (eg: bionic, musl) may have some subset.
+ if (!T.isOSLinux() || !T.isGNUEnvironment()) {
TLI.setUnavailable(LibFunc_dunder_strdup);
TLI.setUnavailable(LibFunc_dunder_strtok_r);
TLI.setUnavailable(LibFunc_dunder_isoc99_scanf);
TLI.setUnavailable(LibFunc_dunder_isoc99_sscanf);
TLI.setUnavailable(LibFunc_under_IO_getc);
TLI.setUnavailable(LibFunc_under_IO_putc);
- // But, Android has memalign.
- if (!T.isAndroid())
+ // But, Android and musl have memalign.
+ if (!T.isAndroid() && !T.isMusl())
TLI.setUnavailable(LibFunc_memalign);
TLI.setUnavailable(LibFunc_fopen64);
TLI.setUnavailable(LibFunc_fseeko64);
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