diff options
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenFunction.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp index 916051556a2..9ccc0910c31 100644 --- a/clang/lib/CodeGen/CodeGenFunction.cpp +++ b/clang/lib/CodeGen/CodeGenFunction.cpp @@ -81,7 +81,7 @@ CodeGenFunction::CodeGenFunction(CodeGenModule &cgm, bool suppressNewContext) CXXStructorImplicitParamDecl(nullptr), CXXStructorImplicitParamValue(nullptr), OutermostConditional(nullptr), CurLexicalScope(nullptr), TerminateLandingPad(nullptr), - TerminateHandler(nullptr), TrapBB(nullptr), + TerminateHandler(nullptr), TrapBB(nullptr), LargestVectorWidth(0), ShouldEmitLifetimeMarkers( shouldEmitLifetimeMarkers(CGM.getCodeGenOpts(), CGM.getLangOpts())) { if (!suppressNewContext) @@ -445,6 +445,11 @@ void CodeGenFunction::FinishFunction(SourceLocation EndLoc) { cast<llvm::AllocaInst>(NormalCleanupDest.getPointer()), DT); NormalCleanupDest = Address::invalid(); } + + // Add the required-vector-width attribute. + if (LargestVectorWidth != 0) + CurFn->addFnAttr("min-legal-vector-width", + llvm::utostr(LargestVectorWidth)); } /// ShouldInstrumentFunction - Return true if the current function should be @@ -1186,6 +1191,12 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, // Emit a location at the end of the prologue. if (CGDebugInfo *DI = getDebugInfo()) DI->EmitLocation(Builder, StartLoc); + + // TODO: Do we need to handle this in two places like we do with + // target-features/target-cpu? + if (CurFuncDecl) + if (const auto *VecWidth = CurFuncDecl->getAttr<MinVectorWidthAttr>()) + LargestVectorWidth = VecWidth->getVectorWidth(); } void CodeGenFunction::EmitFunctionBody(FunctionArgList &Args, |
