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authorpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
committerpatrick <patrick@openbsd.org>2020-08-03 15:06:44 +0000
commitb64793999546ed8adebaeebd9d8345d18db8927d (patch)
tree4357c27b561d73b0e089727c6ed659f2ceff5f47 /gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
parentAdd support for UTF-8 DISPLAY-HINTs with octet length. For now only (diff)
downloadwireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.tar.xz
wireguard-openbsd-b64793999546ed8adebaeebd9d8345d18db8927d.zip
Remove LLVM 8.0.1 files.
Diffstat (limited to 'gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp')
-rw-r--r--gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp128
1 files changed, 0 insertions, 128 deletions
diff --git a/gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp b/gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
deleted file mode 100644
index 4dc1529ddbf..00000000000
--- a/gnu/llvm/lib/Transforms/IPO/ForceFunctionAttrs.cpp
+++ /dev/null
@@ -1,128 +0,0 @@
-//===- ForceFunctionAttrs.cpp - Force function attrs for debugging --------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Transforms/IPO/ForceFunctionAttrs.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/IR/Function.h"
-#include "llvm/IR/LLVMContext.h"
-#include "llvm/IR/Module.h"
-#include "llvm/Support/Debug.h"
-#include "llvm/Support/raw_ostream.h"
-using namespace llvm;
-
-#define DEBUG_TYPE "forceattrs"
-
-static cl::list<std::string>
- ForceAttributes("force-attribute", cl::Hidden,
- cl::desc("Add an attribute to a function. This should be a "
- "pair of 'function-name:attribute-name', for "
- "example -force-attribute=foo:noinline. This "
- "option can be specified multiple times."));
-
-static Attribute::AttrKind parseAttrKind(StringRef Kind) {
- return StringSwitch<Attribute::AttrKind>(Kind)
- .Case("alwaysinline", Attribute::AlwaysInline)
- .Case("builtin", Attribute::Builtin)
- .Case("cold", Attribute::Cold)
- .Case("convergent", Attribute::Convergent)
- .Case("inlinehint", Attribute::InlineHint)
- .Case("jumptable", Attribute::JumpTable)
- .Case("minsize", Attribute::MinSize)
- .Case("naked", Attribute::Naked)
- .Case("nobuiltin", Attribute::NoBuiltin)
- .Case("noduplicate", Attribute::NoDuplicate)
- .Case("noimplicitfloat", Attribute::NoImplicitFloat)
- .Case("noinline", Attribute::NoInline)
- .Case("nonlazybind", Attribute::NonLazyBind)
- .Case("noredzone", Attribute::NoRedZone)
- .Case("noreturn", Attribute::NoReturn)
- .Case("nocf_check", Attribute::NoCfCheck)
- .Case("norecurse", Attribute::NoRecurse)
- .Case("nounwind", Attribute::NoUnwind)
- .Case("optforfuzzing", Attribute::OptForFuzzing)
- .Case("optnone", Attribute::OptimizeNone)
- .Case("optsize", Attribute::OptimizeForSize)
- .Case("readnone", Attribute::ReadNone)
- .Case("readonly", Attribute::ReadOnly)
- .Case("argmemonly", Attribute::ArgMemOnly)
- .Case("returns_twice", Attribute::ReturnsTwice)
- .Case("safestack", Attribute::SafeStack)
- .Case("shadowcallstack", Attribute::ShadowCallStack)
- .Case("sanitize_address", Attribute::SanitizeAddress)
- .Case("sanitize_hwaddress", Attribute::SanitizeHWAddress)
- .Case("sanitize_memory", Attribute::SanitizeMemory)
- .Case("sanitize_thread", Attribute::SanitizeThread)
- .Case("speculative_load_hardening", Attribute::SpeculativeLoadHardening)
- .Case("ssp", Attribute::StackProtect)
- .Case("sspreq", Attribute::StackProtectReq)
- .Case("sspstrong", Attribute::StackProtectStrong)
- .Case("strictfp", Attribute::StrictFP)
- .Case("uwtable", Attribute::UWTable)
- .Default(Attribute::None);
-}
-
-/// If F has any forced attributes given on the command line, add them.
-static void addForcedAttributes(Function &F) {
- for (auto &S : ForceAttributes) {
- auto KV = StringRef(S).split(':');
- if (KV.first != F.getName())
- continue;
-
- auto Kind = parseAttrKind(KV.second);
- if (Kind == Attribute::None) {
- LLVM_DEBUG(dbgs() << "ForcedAttribute: " << KV.second
- << " unknown or not handled!\n");
- continue;
- }
- if (F.hasFnAttribute(Kind))
- continue;
- F.addFnAttr(Kind);
- }
-}
-
-PreservedAnalyses ForceFunctionAttrsPass::run(Module &M,
- ModuleAnalysisManager &) {
- if (ForceAttributes.empty())
- return PreservedAnalyses::all();
-
- for (Function &F : M.functions())
- addForcedAttributes(F);
-
- // Just conservatively invalidate analyses, this isn't likely to be important.
- return PreservedAnalyses::none();
-}
-
-namespace {
-struct ForceFunctionAttrsLegacyPass : public ModulePass {
- static char ID; // Pass identification, replacement for typeid
- ForceFunctionAttrsLegacyPass() : ModulePass(ID) {
- initializeForceFunctionAttrsLegacyPassPass(
- *PassRegistry::getPassRegistry());
- }
-
- bool runOnModule(Module &M) override {
- if (ForceAttributes.empty())
- return false;
-
- for (Function &F : M.functions())
- addForcedAttributes(F);
-
- // Conservatively assume we changed something.
- return true;
- }
-};
-}
-
-char ForceFunctionAttrsLegacyPass::ID = 0;
-INITIALIZE_PASS(ForceFunctionAttrsLegacyPass, "forceattrs",
- "Force set function attributes", false, false)
-
-Pass *llvm::createForceFunctionAttrsLegacyPass() {
- return new ForceFunctionAttrsLegacyPass();
-}