Apply transformation on OS X 10.9+ and iOS 7.0+: pow(10, x) ―> __exp10(x)
llvm-svn: 196544
diff --git a/llvm/lib/Target/TargetLibraryInfo.cpp b/llvm/lib/Target/TargetLibraryInfo.cpp
index 3e68fe1..7535620 100644
--- a/llvm/lib/Target/TargetLibraryInfo.cpp
+++ b/llvm/lib/Target/TargetLibraryInfo.cpp
@@ -401,6 +401,31 @@
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);