diff options
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp index 9e9ce209a825b..3fe42ea13f51b 100644 --- a/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp +++ b/llvm/lib/Target/Hexagon/HexagonTargetMachine.cpp @@ -237,6 +237,14 @@ HexagonTargetMachine::getSubtargetImpl(const Function &F) const { std::string FS = !FSAttr.hasAttribute(Attribute::None) ? FSAttr.getValueAsString().str() : TargetFS; + // Append the preexisting target features last, so that +mattr overrides + // the "unsafe-fp-math" function attribute. + // Creating a separate target feature is not strictly necessary, it only + // exists to make "unsafe-fp-math" force creating a new subtarget. + + if (FnAttrs.hasFnAttribute("unsafe-fp-math") && + F.getFnAttribute("unsafe-fp-math").getValueAsString() == "true") + FS = FS.empty() ? "+unsafe-fp" : "+unsafe-fp," + FS; auto &I = SubtargetMap[CPU + FS]; if (!I) { |