diff options
Diffstat (limited to 'llvm/lib/Analysis/TargetLibraryInfo.cpp')
| -rw-r--r-- | llvm/lib/Analysis/TargetLibraryInfo.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp index f8facf28277..609b9961deb 100644 --- a/llvm/lib/Analysis/TargetLibraryInfo.cpp +++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp @@ -182,6 +182,9 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, TLI.setUnavailable(LibFunc_atanh); TLI.setUnavailable(LibFunc_atanhf); TLI.setUnavailable(LibFunc_atanhl); + TLI.setUnavailable(LibFunc_cabs); + TLI.setUnavailable(LibFunc_cabsf); + TLI.setUnavailable(LibFunc_cabsl); TLI.setUnavailable(LibFunc_cbrt); TLI.setUnavailable(LibFunc_cbrtf); TLI.setUnavailable(LibFunc_cbrtl); @@ -1267,6 +1270,25 @@ bool TargetLibraryInfoImpl::isValidProtoForLibFunc(const FunctionType &FTy, return (NumParams == 1 && FTy.getParamType(0)->isPointerTy() && FTy.getReturnType()->isIntegerTy()); + case LibFunc_cabs: + case LibFunc_cabsf: + case LibFunc_cabsl: { + Type* RetTy = FTy.getReturnType(); + if (!RetTy->isFloatingPointTy()) + return false; + + // NOTE: These prototypes are target specific and currently support + // "complex" passed as an array or discrete real & imaginary parameters. + // Add other calling conventions to enable libcall optimizations. + if (NumParams == 1) + return (FTy.getParamType(0)->isArrayTy() && + FTy.getParamType(0)->getArrayNumElements() == 2 && + FTy.getParamType(0)->getArrayElementType() == RetTy); + else if (NumParams == 2) + return (FTy.getParamType(0) == RetTy && FTy.getParamType(1) == RetTy); + else + return false; + } case LibFunc::NumLibFuncs: break; } |
