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[ARM] Fix MachO CPU Subtype selection

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Differential Revision: http://reviews.llvm.org/D12040

llvm-svn: 245744
This commit is contained in:
Vedant Kumar 2015-08-21 21:52:48 +00:00
parent 58c9b18bbf
commit 5213c133c7
4 changed files with 107 additions and 13 deletions
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1
include/llvm/Support/TargetParser.h
View File

@ -117,6 +117,7 @@ namespace ARM {
AK_ARMV7L,
AK_ARMV7HL,
AK_ARMV7S,
AK_ARMV7K,
AK_LAST
};

4
lib/Support/TargetParser.cpp
View File

@ -107,7 +107,8 @@ struct {
{ "armv7", ARM::AK_ARMV7, "7", "v7", ARMBuildAttrs::CPUArch::v7 },
{ "armv7l", ARM::AK_ARMV7L, "7-L", "v7l", ARMBuildAttrs::CPUArch::v7 },
{ "armv7hl", ARM::AK_ARMV7HL, "7-L", "v7hl", ARMBuildAttrs::CPUArch::v7 },
{ "armv7s", ARM::AK_ARMV7S, "7-S", "v7s", ARMBuildAttrs::CPUArch::v7 }
{ "armv7s", ARM::AK_ARMV7S, "7-S", "v7s", ARMBuildAttrs::CPUArch::v7 },
{ "armv7k", ARM::AK_ARMV7K, "7-K", "v7k", ARMBuildAttrs::CPUArch::v7 }
};
// List of Arch Extension names.
// FIXME: TableGen this.
@ -662,6 +663,7 @@ unsigned ARMTargetParser::parseArchVersion(StringRef Arch) {
case ARM::AK_ARMV7HL:
case ARM::AK_ARMV7S:
case ARM::AK_ARMV7EM:
case ARM::AK_ARMV7K:
return 7;
case ARM::AK_ARMV8A:
case ARM::AK_ARMV8_1A:

47
lib/Target/ARM/MCTargetDesc/ARMAsmBackend.cpp
View File

@ -32,6 +32,7 @@
#include "llvm/Support/ELF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MachO.h"
#include "llvm/Support/TargetParser.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@ -743,6 +744,39 @@ void ARMAsmBackend::applyFixup(const MCFixup &Fixup, char *Data,
}
}
static MachO::CPUSubTypeARM getMachOSubTypeFromArch(StringRef Arch) {
unsigned AK = ARMTargetParser::parseArch(Arch);
switch (AK) {
default:
return MachO::CPU_SUBTYPE_ARM_V7;
case ARM::AK_ARMV4T:
return MachO::CPU_SUBTYPE_ARM_V4T;
case ARM::AK_ARMV6:
case ARM::AK_ARMV6K:
return MachO::CPU_SUBTYPE_ARM_V6;
case ARM::AK_ARMV5:
return MachO::CPU_SUBTYPE_ARM_V5;
case ARM::AK_ARMV5T:
case ARM::AK_ARMV5E:
case ARM::AK_ARMV5TE:
case ARM::AK_ARMV5TEJ:
return MachO::CPU_SUBTYPE_ARM_V5TEJ;
case ARM::AK_ARMV7:
return MachO::CPU_SUBTYPE_ARM_V7;
case ARM::AK_ARMV7S:
return MachO::CPU_SUBTYPE_ARM_V7S;
case ARM::AK_ARMV7K:
return MachO::CPU_SUBTYPE_ARM_V7K;
case ARM::AK_ARMV6M:
case ARM::AK_ARMV6SM:
return MachO::CPU_SUBTYPE_ARM_V6M;
case ARM::AK_ARMV7M:
return MachO::CPU_SUBTYPE_ARM_V7M;
case ARM::AK_ARMV7EM:
return MachO::CPU_SUBTYPE_ARM_V7EM;
}
}
MCAsmBackend *llvm::createARMAsmBackend(const Target &T,
const MCRegisterInfo &MRI,
const Triple &TheTriple, StringRef CPU,
@ -751,18 +785,7 @@ MCAsmBackend *llvm::createARMAsmBackend(const Target &T,
default:
llvm_unreachable("unsupported object format");
case Triple::MachO: {
MachO::CPUSubTypeARM CS =
StringSwitch<MachO::CPUSubTypeARM>(TheTriple.getArchName())
.Cases("armv4t", "thumbv4t", MachO::CPU_SUBTYPE_ARM_V4T)
.Cases("armv5e", "thumbv5e", MachO::CPU_SUBTYPE_ARM_V5TEJ)
.Cases("armv6", "thumbv6", MachO::CPU_SUBTYPE_ARM_V6)
.Cases("armv6m", "thumbv6m", MachO::CPU_SUBTYPE_ARM_V6M)
.Cases("armv7em", "thumbv7em", MachO::CPU_SUBTYPE_ARM_V7EM)
.Cases("armv7k", "thumbv7k", MachO::CPU_SUBTYPE_ARM_V7K)
.Cases("armv7m", "thumbv7m", MachO::CPU_SUBTYPE_ARM_V7M)
.Cases("armv7s", "thumbv7s", MachO::CPU_SUBTYPE_ARM_V7S)
.Default(MachO::CPU_SUBTYPE_ARM_V7);
MachO::CPUSubTypeARM CS = getMachOSubTypeFromArch(TheTriple.getArchName());
return new ARMAsmBackendDarwin(T, TheTriple, CS);
}
case Triple::COFF:

68
test/CodeGen/ARM/MachO-subtypes.ll Normal file
View File

@ -0,0 +1,68 @@
; Check that MachO ARM CPU Subtypes are respected
; RUN: llc -mtriple=armv4t-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V4T
; RUN: llc -mtriple=armv5-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V5
; RUN: llc -mtriple=armv5e-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V5
; RUN: llc -mtriple=armv5t-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V5
; RUN: llc -mtriple=armv5te-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V5
; RUN: llc -mtriple=armv5tej-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V5
; RUN: llc -mtriple=armv6-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6
; RUN: llc -mtriple=armv6k-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6
; RUN: llc -mtriple=thumbv6-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6
; RUN: llc -mtriple=thumbv6k-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6
; RUN: llc -mtriple=armv6m-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6M
; RUN: llc -mtriple=thumbv6m-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V6M
; RUN: llc -mtriple=armv7-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7
; RUN: llc -mtriple=thumbv7-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7
; RUN: llc -mtriple=thumbv7em-apple-darwin -mcpu=cortex-m4 -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7EM
; RUN: llc -mtriple=thumbv7em-apple-darwin -mcpu=cortex-m7 -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7EM
; RUN: llc -mtriple=armv7k-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7K
; RUN: llc -mtriple=thumbv7k-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7K
; RUN: llc -mtriple=thumbv7m-apple-darwin -mcpu=sc300 -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7M
; RUN: llc -mtriple=thumbv7m-apple-darwin -mcpu=cortex-m3 -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7M
; RUN: llc -mtriple=armv7s-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7S
; RUN: llc -mtriple=thumbv7s-apple-darwin -filetype=obj -o - < %s \
; RUN: | llvm-readobj -file-headers | FileCheck %s --check-prefix=CHECK-V7S
define void @_test() {
ret void
}
; CHECK-V4T: CpuSubType: CPU_SUBTYPE_ARM_V4T (0x5)
; CHECK-V5: CpuSubType: CPU_SUBTYPE_ARM_V5 (0x7)
; CHECK-V6: CpuSubType: CPU_SUBTYPE_ARM_V6 (0x6)
; CHECK-V6M: CpuSubType: CPU_SUBTYPE_ARM_V6M (0xE)
; CHECK-V7: CpuSubType: CPU_SUBTYPE_ARM_V7 (0x9)
; CHECK-V7EM: CpuSubType: CPU_SUBTYPE_ARM_V7EM (0x10)
; CHECK-V7K: CpuSubType: CPU_SUBTYPE_ARM_V7K (0xC)
; CHECK-V7M: CpuSubType: CPU_SUBTYPE_ARM_V7M (0xF)
; CHECK-V7S: CpuSubType: CPU_SUBTYPE_ARM_V7S (0xB)