#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/Transforms/Utils/Local.h"
-#include <sstream>
using namespace clang;
using namespace CodeGen;
if (!CodeGenOpts.StackRealignment)
FuncAttrs.addAttribute("no-realign-stack");
-
- // Add target-cpu and target-features work if they differ from the defaults.
- std::string &CPU = getTarget().getTargetOpts().CPU;
- if (CPU != "" && CPU != getTarget().getTriple().getArchName())
- FuncAttrs.addAttribute("target-cpu", getTarget().getTargetOpts().CPU);
-
- // TODO: FeaturesAsWritten gets us the features on the command line,
- // for canonicalization purposes we might want to avoid putting features
- // in the target-features set if we know it'll be one of the default
- // features in the backend, e.g. corei7-avx and +avx.
- std::vector<std::string> &Features =
- getTarget().getTargetOpts().FeaturesAsWritten;
- if (!Features.empty()) {
- std::stringstream S;
- std::copy(Features.begin(), Features.end(),
- std::ostream_iterator<std::string>(S, ","));
- // The drop_back gets rid of the trailing space.
- FuncAttrs.addAttribute("target-features",
- StringRef(S.str()).drop_back(1));
- }
}
ClangToLLVMArgMapping IRFunctionArgs(getContext(), FI);
+++ /dev/null
-// This test verifies that we produce target-cpu and target-features attributes
-// on functions when they're different from the standard cpu and have written
-// features.
-
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-feature +avx | FileCheck %s -check-prefix=AVX-FEATURE
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-feature +avx | FileCheck %s -check-prefix=AVX-NO-CPU
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-feature +avx512f -target-feature +avx512er | FileCheck %s -check-prefix=TWO-AVX
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu corei7 | FileCheck %s -check-prefix=CORE-CPU
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu corei7 -target-feature +avx | FileCheck %s -check-prefix=CORE-CPU-AND-FEATURES
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu x86-64 | FileCheck %s -check-prefix=X86-64-CPU-NOT
-// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu corei7-avx -target-feature -avx | FileCheck %s -check-prefix=AVX-MINUS-FEATURE
-
-void foo() {}
-
-// AVX-FEATURE: "target-features"="+avx"
-// AVX-NO-CPU-NOT: target-cpu
-// TWO-AVX: "target-features"="+avx512f,+avx512er"
-// CORE-CPU: "target-cpu"="corei7"
-// CORE-CPU-AND-FEATURES: "target-cpu"="corei7" "target-features"="+avx"
-// X86-64-CPU-NOT: "target-cpu"
-// AVX-MINUS-FEATURE: "target-features"="-avx"