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[AArch64] Add Tiny Code Model for AArch64 

Adds a tiny code model to Clang along side rL340397.

Differential Revision: https://reviews.llvm.org/D49674


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@340398 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Green 2018-08-22 11:34:28 +00:00
parent ff09bf0a1c
commit 58b109b02d
4 changed files with 5 additions and 2 deletions
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2
include/clang/Driver/CC1Options.td
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@ -249,7 +249,7 @@ def new_struct_path_tbaa : Flag<["-"], "new-struct-path-tbaa">,
def masm_verbose : Flag<["-"], "masm-verbose">,
HelpText<"Generate verbose assembly output">;
def mcode_model : Separate<["-"], "mcode-model">,
HelpText<"The code model to use">, Values<"small,kernel,medium,large">;
HelpText<"The code model to use">, Values<"tiny,small,kernel,medium,large">;
def mdebug_pass : Separate<["-"], "mdebug-pass">,
HelpText<"Enable additional debug output">;
def mdisable_fp_elim : Flag<["-"], "mdisable-fp-elim">,

1
lib/CodeGen/BackendUtil.cpp
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@ -368,6 +368,7 @@ static CodeGenOpt::Level getCGOptLevel(const CodeGenOptions &CodeGenOpts) {
static Optional<llvm::CodeModel::Model>
getCodeModel(const CodeGenOptions &CodeGenOpts) {
unsigned CodeModel = llvm::StringSwitch<unsigned>(CodeGenOpts.CodeModel)
.Case("tiny", llvm::CodeModel::Tiny)
.Case("small", llvm::CodeModel::Small)
.Case("kernel", llvm::CodeModel::Kernel)
.Case("medium", llvm::CodeModel::Medium)

2
lib/Frontend/CompilerInvocation.cpp
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@ -370,7 +370,7 @@ static StringRef getCodeModel(ArgList &Args, DiagnosticsEngine &Diags) {
if (Arg *A = Args.getLastArg(OPT_mcode_model)) {
StringRef Value = A->getValue();
if (Value == "small" || Value == "kernel" || Value == "medium" ||
Value == "large")
Value == "large" || Value == "tiny")
return Value;
Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Value;
}

2
test/Driver/code-model.c
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@ -1,9 +1,11 @@
// RUN: %clang -### -c -mcmodel=tiny %s 2>&1 | FileCheck -check-prefix CHECK-TINY %s
// RUN: %clang -### -c -mcmodel=small %s 2>&1 | FileCheck -check-prefix CHECK-SMALL %s
// RUN: %clang -### -S -mcmodel=kernel %s 2>&1 | FileCheck -check-prefix CHECK-KERNEL %s
// RUN: %clang -### -c -mcmodel=medium %s 2>&1 | FileCheck -check-prefix CHECK-MEDIUM %s
// RUN: %clang -### -S -mcmodel=large %s 2>&1 | FileCheck -check-prefix CHECK-LARGE %s
// RUN: not %clang -c -mcmodel=lager %s 2>&1 | FileCheck -check-prefix CHECK-INVALID %s
// CHECK-TINY: "-mcode-model" "tiny"
// CHECK-SMALL: "-mcode-model" "small"
// CHECK-KERNEL: "-mcode-model" "kernel"
// CHECK-MEDIUM: "-mcode-model" "medium"