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Mirror of https://github.com/RPCS3/llvm-mirror
925deed9df
Summary:
In several places in the code we use the following pattern:
if (hasUnaryFloatFn(&TLI, Ty, LibFunc_tan, LibFunc_tanf, LibFunc_tanl)) {
[...]
Value *Res = emitUnaryFloatFnCall(X, TLI.getName(LibFunc_tan), B, Attrs);
[...]
}
In short, we check if there is a lib-function for a certain type, and then
we _always_ fetch the name of the "double" version of the lib function and
construct a call to the appropriate function, that we just checked exists,
using that "double" name as a basis.
This is of course a problem in cases where the target doesn't support the
"double" version, but e.g. only the "float" version.
In that case TLI.getName(LibFunc_tan) returns "", and
emitUnaryFloatFnCall happily appends an "f" to "", and we erroneously end
up with a call to a function called "f".
To solve this, the above pattern is changed to
if (hasUnaryFloatFn(&TLI, Ty, LibFunc_tan, LibFunc_tanf, LibFunc_tanl)) {
[...]
Value *Res = emitUnaryFloatFnCall(X, &TLI, LibFunc_tan, LibFunc_tanf,
LibFunc_tanl, B, Attrs);
[...]
}
I.e instead of first fetching the name of the "double" version and then
letting emitUnaryFloatFnCall() add the final "f" or "l", we let
emitUnaryFloatFnCall() fetch the right name from TLI.
Reviewers: eli.friedman, efriedma
Reviewed By: efriedma
Subscribers: efriedma, bjope, llvm-commits
Differential Revision: https://reviews.llvm.org/D53370
llvm-svn: 344725
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