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Preprocessor: Add __ALIGNOF_MAX_ALIGN_T__ 

TargetInfo::getSuitableAlign() was introduced in r146762 and is defined
as alignof(std::max_align_t).

Introduce __ALIGNOF_MAX_ALIGN_T__ which exposes getSuitableAlign() so
that libc++ may take advantage of it.

llvm-svn: 201037
This commit is contained in:
David Majnemer 2014-02-09 05:30:48 +00:00
parent d1fc17b931
commit 158ba130ee
2 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
clang/lib/Frontend/InitPreprocessor.cpp
View File

@ -600,6 +600,9 @@ static void InitializePredefinedMacros(const TargetInfo &TI,
DefineType("__CHAR16_TYPE__", TI.getChar16Type(), Builder);
DefineType("__CHAR32_TYPE__", TI.getChar32Type(), Builder);
Builder.defineMacro("__ALIGNOF_MAX_ALIGN_T__",
Twine(TI.getSuitableAlign() / TI.getCharWidth()));
DefineFloatMacros(Builder, "FLT", &TI.getFloatFormat(), "F");
DefineFloatMacros(Builder, "DBL", &TI.getDoubleFormat(), "");
DefineFloatMacros(Builder, "LDBL", &TI.getLongDoubleFormat(), "L");

26
clang/test/Preprocessor/init.c
View File

@ -206,6 +206,7 @@
//
// AARCH64-NETBSD:#define _LP64 1
// AARCH64-NETBSD:#define __AARCH64EL__ 1
// AARCH64-NETBSD:#define __ALIGNOF_MAX_ALIGN_T__ 16
// AARCH64-NETBSD:#define __ARM_64BIT_STATE 1
// AARCH64-NETBSD:#define __ARM_ARCH 8
// AARCH64-NETBSD:#define __ARM_ARCH_ISA_A64 1
@ -305,6 +306,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=arm-none-none < /dev/null | FileCheck -check-prefix ARM %s
//
// ARM-NOT:#define _LP64
// ARM:#define __ALIGNOF_MAX_ALIGN_T__ 8
// ARM:#define __APCS_32__ 1
// ARM:#define __ARMEL__ 1
// ARM:#define __ARM_ARCH_6J__ 1
@ -405,6 +407,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=arm-none-linux-gnueabi -target-feature +soft-float -target-feature +soft-float-abi < /dev/null | FileCheck -check-prefix ARMEABISOFTFP %s
//
// ARM-NOT:#define _LP64
// ARMEABISOFTFP:#define __ALIGNOF_MAX_ALIGN_T__ 8
// ARMEABISOFTFP:#define __APCS_32__ 1
// ARMEABISOFTFP:#define __ARMEL__ 1
// ARMEABISOFTFP:#define __ARM_ARCH 6
@ -510,6 +513,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=arm-none-linux-gnueabi < /dev/null | FileCheck -check-prefix ARMEABIHARDFP %s
//
// ARM-NOT:#define _LP64
// ARMEABIHARDFP:#define __ALIGNOF_MAX_ALIGN_T__ 8
// ARMEABIHARDFP:#define __APCS_32__ 1
// ARMEABIHARDFP:#define __ARMEL__ 1
// ARMEABIHARDFP:#define __ARM_ARCH 6
@ -663,6 +667,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=i386-none-none < /dev/null | FileCheck -check-prefix I386 %s
//
// I386-NOT:#define _LP64
// I386:#define __ALIGNOF_MAX_ALIGN_T__ 16
// I386:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// I386:#define __CHAR16_TYPE__ unsigned short
// I386:#define __CHAR32_TYPE__ unsigned int
@ -761,6 +766,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=i386-pc-linux-gnu -target-cpu pentium4 < /dev/null | FileCheck -check-prefix I386-LINUX %s
//
// I386-LINUX-NOT:#define _LP64
// I386-LINUX:#define __ALIGNOF_MAX_ALIGN_T__ 16
// I386-LINUX:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// I386-LINUX:#define __CHAR16_TYPE__ unsigned short
// I386-LINUX:#define __CHAR32_TYPE__ unsigned int
@ -859,6 +865,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=i386-netbsd < /dev/null | FileCheck -check-prefix I386-NETBSD %s
//
// I386-NETBSD-NOT:#define _LP64
// I386-NETBSD:#define __ALIGNOF_MAX_ALIGN_T__ 16
// I386-NETBSD:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// I386-NETBSD:#define __CHAR16_TYPE__ unsigned short
// I386-NETBSD:#define __CHAR32_TYPE__ unsigned int
@ -975,6 +982,7 @@
// MIPS32BE:#define _MIPS_SZINT 32
// MIPS32BE:#define _MIPS_SZLONG 32
// MIPS32BE:#define _MIPS_SZPTR 32
// MIPS32BE:#define __ALIGNOF_MAX_ALIGN_T__ 8
// MIPS32BE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// MIPS32BE:#define __CHAR16_TYPE__ unsigned short
// MIPS32BE:#define __CHAR32_TYPE__ unsigned int
@ -1094,6 +1102,7 @@
// MIPS32EL:#define _MIPS_SZINT 32
// MIPS32EL:#define _MIPS_SZLONG 32
// MIPS32EL:#define _MIPS_SZPTR 32
// MIPS32EL:#define __ALIGNOF_MAX_ALIGN_T__ 8
// MIPS32EL:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// MIPS32EL:#define __CHAR16_TYPE__ unsigned short
// MIPS32EL:#define __CHAR32_TYPE__ unsigned int
@ -1210,6 +1219,7 @@
// MIPS64BE:#define _MIPS_SZINT 32
// MIPS64BE:#define _MIPS_SZLONG 64
// MIPS64BE:#define _MIPS_SZPTR 64
// MIPS64BE:#define __ALIGNOF_MAX_ALIGN_T__ 16
// MIPS64BE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// MIPS64BE:#define __CHAR16_TYPE__ unsigned short
// MIPS64BE:#define __CHAR32_TYPE__ unsigned int
@ -1328,6 +1338,7 @@
// MIPS64EL:#define _MIPS_SZINT 32
// MIPS64EL:#define _MIPS_SZLONG 64
// MIPS64EL:#define _MIPS_SZPTR 64
// MIPS64EL:#define __ALIGNOF_MAX_ALIGN_T__ 16
// MIPS64EL:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// MIPS64EL:#define __CHAR16_TYPE__ unsigned short
// MIPS64EL:#define __CHAR32_TYPE__ unsigned int
@ -1581,6 +1592,7 @@
//
// MSP430:#define MSP430 1
// MSP430-NOT:#define _LP64
// MPS430:#define __ALIGNOF_MAX_ALIGN_T__ 4
// MSP430:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// MSP430:#define __CHAR16_TYPE__ unsigned short
// MSP430:#define __CHAR32_TYPE__ unsigned int
@ -1674,6 +1686,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=nvptx-none-none < /dev/null | FileCheck -check-prefix NVPTX32 %s
//
// NVPTX32-NOT:#define _LP64
// NVPTX32:#define __ALIGNOF_MAX_ALIGN_T__ 8
// NVPTX32:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// NVPTX32:#define __CHAR16_TYPE__ unsigned short
// NVPTX32:#define __CHAR32_TYPE__ unsigned int
@ -1771,6 +1784,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=nvptx64-none-none < /dev/null | FileCheck -check-prefix NVPTX64 %s
//
// NVPTX64:#define _LP64 1
// NVPTX64:#define __ALIGNOF_MAX_ALIGN_T__ 8
// NVPTX64:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// NVPTX64:#define __CHAR16_TYPE__ unsigned short
// NVPTX64:#define __CHAR32_TYPE__ unsigned int
@ -1873,6 +1887,7 @@
// PPC603E:#define _ARCH_PPCGR 1
// PPC603E:#define _BIG_ENDIAN 1
// PPC603E-NOT:#define _LP64
// PPC603E:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC603E:#define __BIG_ENDIAN__ 1
// PPC603E:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC603E:#define __CHAR16_TYPE__ unsigned short
@ -1982,6 +1997,7 @@
// PPC64:#define _ARCH_PWR7 1
// PPC64:#define _BIG_ENDIAN 1
// PPC64:#define _LP64 1
// PPC64:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC64:#define __BIG_ENDIAN__ 1
// PPC64:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC64:#define __CHAR16_TYPE__ unsigned short
@ -2095,6 +2111,7 @@
// PPC64LE:#define _ARCH_PWR7 1
// PPC64LE:#define _LITTLE_ENDIAN 1
// PPC64LE:#define _LP64 1
// PPC64LE:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC64LE:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// PPC64LE:#define __CHAR16_TYPE__ unsigned short
// PPC64LE:#define __CHAR32_TYPE__ unsigned int
@ -2360,6 +2377,7 @@
// PPC64-LINUX:#define _ARCH_PPC64 1
// PPC64-LINUX:#define _BIG_ENDIAN 1
// PPC64-LINUX:#define _LP64 1
// PPC64-LINUX:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC64-LINUX:#define __BIG_ENDIAN__ 1
// PPC64-LINUX:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC64-LINUX:#define __CHAR16_TYPE__ unsigned short
@ -2467,6 +2485,7 @@
// PPC:#define _ARCH_PPC 1
// PPC:#define _BIG_ENDIAN 1
// PPC-NOT:#define _LP64
// PPC:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC:#define __BIG_ENDIAN__ 1
// PPC:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC:#define __CHAR16_TYPE__ unsigned short
@ -2569,6 +2588,7 @@
// PPC-LINUX:#define _ARCH_PPC 1
// PPC-LINUX:#define _BIG_ENDIAN 1
// PPC-LINUX-NOT:#define _LP64
// PPC-LINUX:#define __ALIGNOF_MAX_ALIGN_T__ 8
// PPC-LINUX:#define __BIG_ENDIAN__ 1
// PPC-LINUX:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC-LINUX:#define __CHAR16_TYPE__ unsigned short
@ -2672,6 +2692,7 @@
//
// PPC-DARWIN:#define _ARCH_PPC 1
// PPC-DARWIN:#define _BIG_ENDIAN 1
// PPC-DARWIN:#define __ALIGNOF_MAX_ALIGN_T__ 16
// PPC-DARWIN:#define __BIG_ENDIAN__ 1
// PPC-DARWIN:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// PPC-DARWIN:#define __CHAR16_TYPE__ unsigned short
@ -2870,6 +2891,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=sparc-none-none < /dev/null | FileCheck -check-prefix SPARC %s
//
// SPARC-NOT:#define _LP64
// SPARC:#define __ALIGNOF_MAX_ALIGN_T__ 8
// SPARC:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// SPARC:#define __CHAR16_TYPE__ unsigned short
// SPARC:#define __CHAR32_TYPE__ unsigned int
@ -2968,6 +2990,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=tce-none-none < /dev/null | FileCheck -check-prefix TCE %s
//
// TCE-NOT:#define _LP64
// TCE:#define __ALIGNOF_MAX_ALIGN_T__ 4
// TCE:#define __BYTE_ORDER__ __ORDER_BIG_ENDIAN__
// TCE:#define __CHAR16_TYPE__ unsigned short
// TCE:#define __CHAR32_TYPE__ unsigned int
@ -3063,6 +3086,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=x86_64-none-none < /dev/null | FileCheck -check-prefix X86_64 %s
//
// X86_64:#define _LP64 1
// X86_64:#define __ALIGNOF_MAX_ALIGN_T__ 16
// X86_64:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// X86_64:#define __CHAR16_TYPE__ unsigned short
// X86_64:#define __CHAR32_TYPE__ unsigned int
@ -3167,6 +3191,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=x86_64-pc-linux-gnu < /dev/null | FileCheck -check-prefix X86_64-LINUX %s
//
// X86_64-LINUX:#define _LP64 1
// X86_64-LINUX:#define __ALIGNOF_MAX_ALIGN_T__ 16
// X86_64-LINUX:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// X86_64-LINUX:#define __CHAR16_TYPE__ unsigned short
// X86_64-LINUX:#define __CHAR32_TYPE__ unsigned int
@ -3277,6 +3302,7 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=x86_64-netbsd < /dev/null | FileCheck -check-prefix X86_64-NETBSD %s
//
// X86_64-NETBSD:#define _LP64 1
// X86_64-NETBSD:#define __ALIGNOF_MAX_ALIGN_T__ 16
// X86_64-NETBSD:#define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// X86_64-NETBSD:#define __CHAR16_TYPE__ unsigned short
// X86_64-NETBSD:#define __CHAR32_TYPE__ unsigned int