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02310fd313
Fix floating point fast-math intrinsics The implementation did not handle the case where both operands were constants, which caused an llvm assertion: ``` rustc: //buildslave//rust-buildbot//slave//nightly-dist-rustc-musl-linux//build//src//llvm//include/llvm/Support/Casting.h:237: typename llvm::cast_retty<X, Y*>::ret_type llvm::cast(Y*) [with X = llvm::Instruction; Y = llvm::Value; typename llvm::cast_retty<X, Y*>::ret_type = llvm::Instruction*]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed. ```
This directory currently contains some LLVM support code. This will generally be sent upstream to LLVM in time; for now it lives here.