[AMDGPU] Add debugger related target options

Differential Revision: http://reviews.llvm.org/D18748

llvm-svn: 266133
This commit is contained in:
Konstantin Zhuravlyov 2016-04-12 21:42:15 +00:00
parent d5faa267c4
commit 5124bf8edc
3 changed files with 53 additions and 0 deletions

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@ -95,6 +95,8 @@ def m_ppc_Features_Group : OptionGroup<"<ppc features group>">,
Group<m_Group>;
def m_wasm_Features_Group : OptionGroup<"<wasm features group>">,
Group<m_Group>;
def m_amdgpu_Features_Group : OptionGroup<"<amdgpu features group>">,
Group<m_Group>;
def m_libc_Group : OptionGroup<"<m libc group>">, Group<m_Group>;
def u_Group : OptionGroup<"<u group>">;
@ -1446,6 +1448,16 @@ def ffixed_x18 : Flag<["-"], "ffixed-x18">, Group<m_aarch64_Features_Group>,
def msimd128 : Flag<["-"], "msimd128">, Group<m_wasm_Features_Group>;
def mno_simd128 : Flag<["-"], "mno-simd128">, Group<m_wasm_Features_Group>;
def mamdgpu_debugger_abi : Joined<["-"], "mamdgpu-debugger-abi=">,
Flags<[HelpHidden]>,
Group<m_Group>,
HelpText<"Generate additional code for specified <version> of debugger ABI (AMDGPU only)">,
MetaVarName<"<version>">;
def mamdgpu_debugger_insert_nops : Flag<["-"], "mamdgpu-debugger-insert-nops">,
Group<m_amdgpu_Features_Group>;
def mamdgpu_debugger_reserve_trap_regs : Flag<["-"], "mamdgpu-debugger-reserve-trap-regs">,
Group<m_amdgpu_Features_Group>;
def mvsx : Flag<["-"], "mvsx">, Group<m_ppc_Features_Group>;
def mno_vsx : Flag<["-"], "mno-vsx">, Group<m_ppc_Features_Group>;
def mpower8_vector : Flag<["-"], "mpower8-vector">,

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@ -2391,6 +2391,22 @@ static void getWebAssemblyTargetFeatures(const ArgList &Args,
handleTargetFeaturesGroup(Args, Features, options::OPT_m_wasm_Features_Group);
}
static void getAMDGPUTargetFeatures(const Driver &D, const ArgList &Args,
std::vector<const char *> &Features) {
if (const Arg *dAbi = Args.getLastArg(options::OPT_mamdgpu_debugger_abi)) {
StringRef value = dAbi->getValue();
if (value == "1.0") {
Features.push_back("+amdgpu-debugger-insert-nops");
Features.push_back("+amdgpu-debugger-reserve-trap-regs");
} else {
D.Diag(diag::err_drv_clang_unsupported) << dAbi->getAsString(Args);
}
}
handleTargetFeaturesGroup(
Args, Features, options::OPT_m_amdgpu_Features_Group);
}
static void getTargetFeatures(const ToolChain &TC, const llvm::Triple &Triple,
const ArgList &Args, ArgStringList &CmdArgs,
bool ForAS) {
@ -2436,6 +2452,10 @@ static void getTargetFeatures(const ToolChain &TC, const llvm::Triple &Triple,
case llvm::Triple::wasm64:
getWebAssemblyTargetFeatures(Args, Features);
break;
case llvm::Triple::r600:
case llvm::Triple::amdgcn:
getAMDGPUTargetFeatures(D, Args, Features);
break;
}
// Find the last of each feature.

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@ -0,0 +1,21 @@
// Check handling of AMDGPU target features.
//
// -mamdgpu-debugger-abi=0.0
// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=0.0 %s -o 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-ABI-0-0 %s
// CHECK-MAMDGPU-DEBUGGER-ABI-0-0: the clang compiler does not support '-mamdgpu-debugger-abi=0.0'
//
// -mamdgpu-debugger-abi=1.0
// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-abi=1.0 %s -o 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-ABI-1-0 %s
// CHECK-MAMDGPU-DEBUGGER-ABI-1-0: "-target-feature" "+amdgpu-debugger-insert-nops" "-target-feature" "+amdgpu-debugger-reserve-trap-regs"
//
// -mamdgpu-debugger-insert-nops
// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-insert-nops %s -o 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-INSERT-NOPS %s
// CHECK-MAMDGPU-DEBUGGER-INSERT-NOPS: "-target-feature" "+amdgpu-debugger-insert-nops"
//
// -mamdgpu-debugger-reserve-trap-regs
// RUN: %clang -### -target amdgcn -x cl -S -emit-llvm -mcpu=kaveri -mamdgpu-debugger-reserve-trap-regs %s -o 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MAMDGPU-DEBUGGER-RESERVE-TRAP-REGS %s
// CHECK-MAMDGPU-DEBUGGER-RESERVE-TRAP-REGS: "-target-feature" "+amdgpu-debugger-reserve-trap-regs"