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Resubmit r196544: Apply transformation on OS X 10.9+ and iOS 7.0+: pow(10, x) ―> __exp10(x)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197109 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Yi Jiang
2013-12-12 01:55:04 +00:00
parent 7c2b072d69
commit 41a3007571
4 changed files with 55 additions and 3 deletions
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25
lib/Target/TargetLibraryInfo.cpp
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@ -401,6 +401,31 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
}
// exp10 and exp10f are not available on OS X until 10.9 and iOS until 7.0
// and their names are __exp10 and __exp10f. exp10l is not available on
// OS X or iOS.
if (T.isMacOSX()) {
TLI.setUnavailable(LibFunc::exp10l);
if (T.isMacOSXVersionLT(10, 9)) {
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
} else {
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
}
}
if (T.getOS() == Triple::IOS) {
TLI.setUnavailable(LibFunc::exp10l);
if (T.isOSVersionLT(7, 0)) {
TLI.setUnavailable(LibFunc::exp10);
TLI.setUnavailable(LibFunc::exp10f);
} else {
TLI.setAvailableWithName(LibFunc::exp10, "__exp10");
TLI.setAvailableWithName(LibFunc::exp10f, "__exp10f");
}
}
// iprintf and friends are only available on XCore and TCE.
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
TLI.setUnavailable(LibFunc::iprintf);