Vendor import of clang trunk r126079:

http://llvm.org/svn/llvm-project/cfe/trunk@126079

15 files changed, 351 insertions, 225 deletions

diff --git a/test/Preprocessor/assembler-with-cpp.c b/test/Preprocessor/assembler-with-cpp.c
index 0543077..a9c4294 100644
--- a/test/Preprocessor/assembler-with-cpp.c
+++ b/test/Preprocessor/assembler-with-cpp.c
@@ -72,3 +72,8 @@
 11: T11(b)
 // CHECK-Identifiers-True: 11: #0
 
+
+// This should not crash
+// rdar://8823139
+# ##
+// CHECK-Identifiers-False: # ##
diff --git a/test/Preprocessor/clang_headers.c b/test/Preprocessor/clang_headers.c
index f2dec4f..41bd754 100644
--- a/test/Preprocessor/clang_headers.c
+++ b/test/Preprocessor/clang_headers.c
@@ -1,3 +1,3 @@
-// RUN: %clang_cc1 -E %s
+// RUN: %clang_cc1 -ffreestanding -E %s
 
 #include <limits.h>
diff --git a/test/Preprocessor/has_include.c b/test/Preprocessor/has_include.c
index c34c348..fdcae78 100644
--- a/test/Preprocessor/has_include.c
+++ b/test/Preprocessor/has_include.c
@@ -1,23 +1,23 @@
-// RUN: %clang_cc1 -Eonly -verify %s
+// RUN: %clang_cc1 -ffreestanding -Eonly -verify %s
 
 // Try different path permutations of __has_include with existing file.
-#if __has_include("stdio.h")
+#if __has_include("stdint.h")
 #else
   #error "__has_include failed (1)."
 #endif
 
-#if __has_include(<stdio.h>)
+#if __has_include(<stdint.h>)
 #else
   #error "__has_include failed (2)."
 #endif
 
 // Try unary expression.
-#if !__has_include("stdio.h")
+#if !__has_include("stdint.h")
   #error "__has_include failed (5)."
 #endif
 
 // Try binary expression.
-#if __has_include("stdio.h") && __has_include("stddef.h")
+#if __has_include("stdint.h") && __has_include("stddef.h")
 #else
   #error "__has_include failed (6)."
 #endif
@@ -44,12 +44,12 @@
 #endif
 
 // Try unary expression.
-#if !__has_include_next("stdio.h") // expected-warning {{#include_next in primary source file}}
+#if !__has_include_next("stdint.h") // expected-warning {{#include_next in primary source file}}
   #error "__has_include_next failed (5)."
 #endif
 
 // Try binary expression.
-#if __has_include_next("stdio.h") && __has_include("stddef.h") // expected-warning {{#include_next in primary source file}}
+#if __has_include_next("stdint.h") && __has_include("stddef.h") // expected-warning {{#include_next in primary source file}}
 #else
   #error "__has_include_next failed (6)."
 #endif
@@ -68,16 +68,16 @@
 // FIXME: I don't quite know how to avoid preprocessor side effects.
 // Use FileCheck?
 // It also assert due to unterminated #if's.
-//#if __has_include("stdio.h"
-//#if __has_include "stdio.h")
-//#if __has_include(stdio.h)
+//#if __has_include("stdint.h"
+//#if __has_include "stdint.h")
+//#if __has_include(stdint.h)
 //#if __has_include()
 //#if __has_include(
 //#if __has_include)
 //#if __has_include
-//#if __has_include(<stdio.h>
-//#if __has_include<stdio.h>)
-//#if __has_include("stdio.h)
-//#if __has_include(stdio.h")
-//#if __has_include(<stdio.h)
-//#if __has_include(stdio.h>)
+//#if __has_include(<stdint.h>
+//#if __has_include<stdint.h>)
+//#if __has_include("stdint.h)
+//#if __has_include(stdint.h")
+//#if __has_include(<stdint.h)
+//#if __has_include(stdint.h>)
diff --git a/test/Preprocessor/header_lookup1.c b/test/Preprocessor/header_lookup1.c
index f93d0af..f52e4fe 100644
--- a/test/Preprocessor/header_lookup1.c
+++ b/test/Preprocessor/header_lookup1.c
@@ -1,2 +1,2 @@
-// RUN: %clang -fno-ms-extensions -I /usr/include %s -E | grep 'stdio.h.*3.*4'
-#include <stdio.h>
+// RUN: %clang -fno-ms-extensions %s -E | grep 'stddef.h.*3.*4'
+#include <stddef.h>
diff --git a/test/Preprocessor/include-directive2.c b/test/Preprocessor/include-directive2.c
index b205325..5f1ee3c 100644
--- a/test/Preprocessor/include-directive2.c
+++ b/test/Preprocessor/include-directive2.c
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -Eonly -verify %s 
+// RUN: %clang_cc1 -ffreestanding -Eonly -verify %s 
 #  define HEADER <float.h>
 
 #  include HEADER
diff --git a/test/Preprocessor/init.c b/test/Preprocessor/init.c
index 6c27a6c..98b0535 100644
--- a/test/Preprocessor/init.c
+++ b/test/Preprocessor/init.c
@@ -417,6 +417,104 @@
 // I386:#define __tune_nocona__ 1
 // I386:#define i386 1
 //
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=i386-pc-linux-gnu < /dev/null | FileCheck -check-prefix I386-LINUX %s
+//
+// I386-LINUX:#define __CHAR16_TYPE__ unsigned short
+// I386-LINUX:#define __CHAR32_TYPE__ unsigned int
+// I386-LINUX:#define __CHAR_BIT__ 8
+// I386-LINUX:#define __DBL_DENORM_MIN__ 4.9406564584124654e-324
+// I386-LINUX:#define __DBL_DIG__ 15
+// I386-LINUX:#define __DBL_EPSILON__ 2.2204460492503131e-16
+// I386-LINUX:#define __DBL_HAS_DENORM__ 1
+// I386-LINUX:#define __DBL_HAS_INFINITY__ 1
+// I386-LINUX:#define __DBL_HAS_QUIET_NAN__ 1
+// I386-LINUX:#define __DBL_MANT_DIG__ 53
+// I386-LINUX:#define __DBL_MAX_10_EXP__ 308
+// I386-LINUX:#define __DBL_MAX_EXP__ 1024
+// I386-LINUX:#define __DBL_MAX__ 1.7976931348623157e+308
+// I386-LINUX:#define __DBL_MIN_10_EXP__ (-307)
+// I386-LINUX:#define __DBL_MIN_EXP__ (-1021)
+// I386-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
+// I386-LINUX:#define __DECIMAL_DIG__ 21
+// I386-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
+// I386-LINUX:#define __FLT_DIG__ 6
+// I386-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
+// I386-LINUX:#define __FLT_EVAL_METHOD__ 0
+// I386-LINUX:#define __FLT_HAS_DENORM__ 1
+// I386-LINUX:#define __FLT_HAS_INFINITY__ 1
+// I386-LINUX:#define __FLT_HAS_QUIET_NAN__ 1
+// I386-LINUX:#define __FLT_MANT_DIG__ 24
+// I386-LINUX:#define __FLT_MAX_10_EXP__ 38
+// I386-LINUX:#define __FLT_MAX_EXP__ 128
+// I386-LINUX:#define __FLT_MAX__ 3.40282347e+38F
+// I386-LINUX:#define __FLT_MIN_10_EXP__ (-37)
+// I386-LINUX:#define __FLT_MIN_EXP__ (-125)
+// I386-LINUX:#define __FLT_MIN__ 1.17549435e-38F
+// I386-LINUX:#define __FLT_RADIX__ 2
+// I386-LINUX:#define __INT16_TYPE__ short
+// I386-LINUX:#define __INT32_TYPE__ int
+// I386-LINUX:#define __INT64_C_SUFFIX__ LL
+// I386-LINUX:#define __INT64_TYPE__ long long int
+// I386-LINUX:#define __INT8_TYPE__ char
+// I386-LINUX:#define __INTMAX_MAX__ 9223372036854775807LL
+// I386-LINUX:#define __INTMAX_TYPE__ long long int
+// I386-LINUX:#define __INTMAX_WIDTH__ 64
+// I386-LINUX:#define __INTPTR_TYPE__ int
+// I386-LINUX:#define __INTPTR_WIDTH__ 32
+// I386-LINUX:#define __INT_MAX__ 2147483647
+// I386-LINUX:#define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L
+// I386-LINUX:#define __LDBL_DIG__ 18
+// I386-LINUX:#define __LDBL_EPSILON__ 1.08420217248550443401e-19L
+// I386-LINUX:#define __LDBL_HAS_DENORM__ 1
+// I386-LINUX:#define __LDBL_HAS_INFINITY__ 1
+// I386-LINUX:#define __LDBL_HAS_QUIET_NAN__ 1
+// I386-LINUX:#define __LDBL_MANT_DIG__ 64
+// I386-LINUX:#define __LDBL_MAX_10_EXP__ 4932
+// I386-LINUX:#define __LDBL_MAX_EXP__ 16384
+// I386-LINUX:#define __LDBL_MAX__ 1.18973149535723176502e+4932L
+// I386-LINUX:#define __LDBL_MIN_10_EXP__ (-4931)
+// I386-LINUX:#define __LDBL_MIN_EXP__ (-16381)
+// I386-LINUX:#define __LDBL_MIN__ 3.36210314311209350626e-4932L
+// I386-LINUX:#define __LITTLE_ENDIAN__ 1
+// I386-LINUX:#define __LONG_LONG_MAX__ 9223372036854775807LL
+// I386-LINUX:#define __LONG_MAX__ 2147483647L
+// I386-LINUX:#define __NO_INLINE__ 1
+// I386-LINUX:#define __NO_MATH_INLINES 1
+// I386-LINUX:#define __POINTER_WIDTH__ 32
+// I386-LINUX:#define __PTRDIFF_TYPE__ int
+// I386-LINUX:#define __PTRDIFF_WIDTH__ 32
+// I386-LINUX:#define __REGISTER_PREFIX__ 
+// I386-LINUX:#define __SCHAR_MAX__ 127
+// I386-LINUX:#define __SHRT_MAX__ 32767
+// I386-LINUX:#define __SIG_ATOMIC_WIDTH__ 32
+// I386-LINUX:#define __SIZEOF_DOUBLE__ 8
+// I386-LINUX:#define __SIZEOF_FLOAT__ 4
+// I386-LINUX:#define __SIZEOF_INT__ 4
+// I386-LINUX:#define __SIZEOF_LONG_DOUBLE__ 12
+// I386-LINUX:#define __SIZEOF_LONG_LONG__ 8
+// I386-LINUX:#define __SIZEOF_LONG__ 4
+// I386-LINUX:#define __SIZEOF_POINTER__ 4
+// I386-LINUX:#define __SIZEOF_PTRDIFF_T__ 4
+// I386-LINUX:#define __SIZEOF_SHORT__ 2
+// I386-LINUX:#define __SIZEOF_SIZE_T__ 4
+// I386-LINUX:#define __SIZEOF_WCHAR_T__ 4
+// I386-LINUX:#define __SIZEOF_WINT_T__ 4
+// I386-LINUX:#define __SIZE_TYPE__ unsigned int
+// I386-LINUX:#define __SIZE_WIDTH__ 32
+// I386-LINUX:#define __UINTMAX_TYPE__ long long unsigned int
+// I386-LINUX:#define __USER_LABEL_PREFIX__
+// I386-LINUX:#define __WCHAR_MAX__ 2147483647
+// I386-LINUX:#define __WCHAR_TYPE__ int
+// I386-LINUX:#define __WCHAR_WIDTH__ 32
+// I386-LINUX:#define __WINT_TYPE__ unsigned int
+// I386-LINUX:#define __WINT_WIDTH__ 32
+// I386-LINUX:#define __i386 1
+// I386-LINUX:#define __i386__ 1
+// I386-LINUX:#define __nocona 1
+// I386-LINUX:#define __nocona__ 1
+// I386-LINUX:#define __tune_nocona__ 1
+// I386-LINUX:#define i386 1
+//
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=msp430-none-none < /dev/null | FileCheck -check-prefix MSP430 %s
 //
 // MSP430:#define MSP430 1
@@ -508,106 +606,6 @@
 // MSP430:#define __WINT_WIDTH__ 16
 // MSP430:#define __clang__ 1
 //
-// RUN: %clang_cc1 -E -dM -ffreestanding -triple=pic16-none-none < /dev/null | FileCheck -check-prefix PIC16 %s
-//
-// PIC16:#define __CHAR16_TYPE__ unsigned short
-// PIC16:#define __CHAR32_TYPE__ unsigned int
-// PIC16:#define __CHAR_BIT__ 8
-// PIC16:#define __DBL_DENORM_MIN__ 1.40129846e-45F
-// PIC16:#define __DBL_DIG__ 6
-// PIC16:#define __DBL_EPSILON__ 1.19209290e-7F
-// PIC16:#define __DBL_HAS_DENORM__ 1
-// PIC16:#define __DBL_HAS_INFINITY__ 1
-// PIC16:#define __DBL_HAS_QUIET_NAN__ 1
-// PIC16:#define __DBL_MANT_DIG__ 24
-// PIC16:#define __DBL_MAX_10_EXP__ 38
-// PIC16:#define __DBL_MAX_EXP__ 128
-// PIC16:#define __DBL_MAX__ 3.40282347e+38F
-// PIC16:#define __DBL_MIN_10_EXP__ (-37)
-// PIC16:#define __DBL_MIN_EXP__ (-125)
-// PIC16:#define __DBL_MIN__ 1.17549435e-38F
-// PIC16:#define __DECIMAL_DIG__ -1
-// PIC16:#define __FLT_DENORM_MIN__ 1.40129846e-45F
-// PIC16:#define __FLT_DIG__ 6
-// PIC16:#define __FLT_EPSILON__ 1.19209290e-7F
-// PIC16:#define __FLT_EVAL_METHOD__ 0
-// PIC16:#define __FLT_HAS_DENORM__ 1
-// PIC16:#define __FLT_HAS_INFINITY__ 1
-// PIC16:#define __FLT_HAS_QUIET_NAN__ 1
-// PIC16:#define __FLT_MANT_DIG__ 24
-// PIC16:#define __FLT_MAX_10_EXP__ 38
-// PIC16:#define __FLT_MAX_EXP__ 128
-// PIC16:#define __FLT_MAX__ 3.40282347e+38F
-// PIC16:#define __FLT_MIN_10_EXP__ (-37)
-// PIC16:#define __FLT_MIN_EXP__ (-125)
-// PIC16:#define __FLT_MIN__ 1.17549435e-38F
-// PIC16:#define __FLT_RADIX__ 2
-// PIC16:#define __INT16_TYPE__ short
-// PIC16:#define __INT32_C_SUFFIX__ L
-// PIC16:#define __INT32_TYPE__ long int
-// PIC16:#define __INT8_TYPE__ char
-// PIC16:#define __INTMAX_MAX__ 2147483647L
-// PIC16:#define __INTMAX_TYPE__ long int
-// PIC16:#define __INTMAX_WIDTH__ 32
-// PIC16:#define __INTPTR_TYPE__ short
-// PIC16:#define __INTPTR_WIDTH__ 16
-// PIC16:#define __INT_MAX__ 32767
-// PIC16:#define __LDBL_DENORM_MIN__ 1.40129846e-45F
-// PIC16:#define __LDBL_DIG__ 6
-// PIC16:#define __LDBL_EPSILON__ 1.19209290e-7F
-// PIC16:#define __LDBL_HAS_DENORM__ 1
-// PIC16:#define __LDBL_HAS_INFINITY__ 1
-// PIC16:#define __LDBL_HAS_QUIET_NAN__ 1
-// PIC16:#define __LDBL_MANT_DIG__ 24
-// PIC16:#define __LDBL_MAX_10_EXP__ 38
-// PIC16:#define __LDBL_MAX_EXP__ 128
-// PIC16:#define __LDBL_MAX__ 3.40282347e+38F
-// PIC16:#define __LDBL_MIN_10_EXP__ (-37)
-// PIC16:#define __LDBL_MIN_EXP__ (-125)
-// PIC16:#define __LDBL_MIN__ 1.17549435e-38F
-// PIC16:#define __LONG_LONG_MAX__ 2147483647LL
-// PIC16:#define __LONG_MAX__ 2147483647L
-// PIC16:#define __NO_INLINE__ 1
-// PIC16:#define __PIC16 1
-// PIC16:#define __POINTER_WIDTH__ 16
-// PIC16:#define __PTRDIFF_TYPE__ int
-// PIC16:#define __PTRDIFF_WIDTH__ 16
-// PIC16:#define __SCHAR_MAX__ 127
-// PIC16:#define __SHRT_MAX__ 32767
-// PIC16:#define __SIG_ATOMIC_WIDTH__ 32
-// PIC16:#define __SIZEOF_DOUBLE__ 4
-// PIC16:#define __SIZEOF_FLOAT__ 4
-// PIC16:#define __SIZEOF_INT__ 2
-// PIC16:#define __SIZEOF_LONG_DOUBLE__ 4
-// PIC16:#define __SIZEOF_LONG_LONG__ 4
-// PIC16:#define __SIZEOF_LONG__ 4
-// PIC16:#define __SIZEOF_POINTER__ 2
-// PIC16:#define __SIZEOF_PTRDIFF_T__ 2
-// PIC16:#define __SIZEOF_SHORT__ 2
-// PIC16:#define __SIZEOF_SIZE_T__ 2
-// PIC16:#define __SIZEOF_WCHAR_T__ 2
-// PIC16:#define __SIZEOF_WINT_T__ 2
-// PIC16:#define __SIZE_TYPE__ unsigned int
-// PIC16:#define __SIZE_WIDTH__ 16
-// PIC16:#define __UINTMAX_TYPE__ long unsigned int
-// PIC16:#define __USER_LABEL_PREFIX__ _
-// PIC16:#define __WCHAR_MAX__ 32767
-// PIC16:#define __WCHAR_TYPE__ int
-// PIC16:#define __WCHAR_WIDTH__ 16
-// PIC16:#define __WINT_TYPE__ int
-// PIC16:#define __WINT_WIDTH__ 16
-// PIC16:#define __address(Addr) __attribute__((section("Address="#Addr)))
-// PIC16:#define __clang__ 1
-// PIC16:#define __config(conf) asm("CONFIG "#conf)
-// PIC16:#define __idlocs(value) asm("__IDLOCS "#value)
-// PIC16:#define __llvm__ 1
-// PIC16:#define __pic16 1
-// PIC16:#define __section(SectName) __attribute__((section(SectName)))
-// PIC16:#define interrupt __attribute__((section("interrupt=0x4"))) __attribute__((used))
-// PIC16:#define near __attribute__((section("Address=NEAR")))
-// PIC16:#define ram __attribute__((address_space(0)))
-// PIC16:#define rom __attribute__((address_space(1)))
-//
 // RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -fno-signed-char < /dev/null | FileCheck -check-prefix PPC64 %s
 //
 // PPC64:#define _ARCH_PPC 1
@@ -1193,6 +1191,112 @@
 // X86_64:#define __x86_64 1
 // X86_64:#define __x86_64__ 1
 //
+// 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 __CHAR16_TYPE__ unsigned short
+// X86_64-LINUX:#define __CHAR32_TYPE__ unsigned int
+// X86_64-LINUX:#define __CHAR_BIT__ 8
+// X86_64-LINUX:#define __DBL_DENORM_MIN__ 4.9406564584124654e-324
+// X86_64-LINUX:#define __DBL_DIG__ 15
+// X86_64-LINUX:#define __DBL_EPSILON__ 2.2204460492503131e-16
+// X86_64-LINUX:#define __DBL_HAS_DENORM__ 1
+// X86_64-LINUX:#define __DBL_HAS_INFINITY__ 1
+// X86_64-LINUX:#define __DBL_HAS_QUIET_NAN__ 1
+// X86_64-LINUX:#define __DBL_MANT_DIG__ 53
+// X86_64-LINUX:#define __DBL_MAX_10_EXP__ 308
+// X86_64-LINUX:#define __DBL_MAX_EXP__ 1024
+// X86_64-LINUX:#define __DBL_MAX__ 1.7976931348623157e+308
+// X86_64-LINUX:#define __DBL_MIN_10_EXP__ (-307)
+// X86_64-LINUX:#define __DBL_MIN_EXP__ (-1021)
+// X86_64-LINUX:#define __DBL_MIN__ 2.2250738585072014e-308
+// X86_64-LINUX:#define __DECIMAL_DIG__ 21
+// X86_64-LINUX:#define __FLT_DENORM_MIN__ 1.40129846e-45F
+// X86_64-LINUX:#define __FLT_DIG__ 6
+// X86_64-LINUX:#define __FLT_EPSILON__ 1.19209290e-7F
+// X86_64-LINUX:#define __FLT_EVAL_METHOD__ 0
+// X86_64-LINUX:#define __FLT_HAS_DENORM__ 1
+// X86_64-LINUX:#define __FLT_HAS_INFINITY__ 1
+// X86_64-LINUX:#define __FLT_HAS_QUIET_NAN__ 1
+// X86_64-LINUX:#define __FLT_MANT_DIG__ 24
+// X86_64-LINUX:#define __FLT_MAX_10_EXP__ 38
+// X86_64-LINUX:#define __FLT_MAX_EXP__ 128
+// X86_64-LINUX:#define __FLT_MAX__ 3.40282347e+38F
+// X86_64-LINUX:#define __FLT_MIN_10_EXP__ (-37)
+// X86_64-LINUX:#define __FLT_MIN_EXP__ (-125)
+// X86_64-LINUX:#define __FLT_MIN__ 1.17549435e-38F
+// X86_64-LINUX:#define __FLT_RADIX__ 2
+// X86_64-LINUX:#define __INT16_TYPE__ short
+// X86_64-LINUX:#define __INT32_TYPE__ int
+// X86_64-LINUX:#define __INT64_C_SUFFIX__ L
+// X86_64-LINUX:#define __INT64_TYPE__ long int
+// X86_64-LINUX:#define __INT8_TYPE__ char
+// X86_64-LINUX:#define __INTMAX_MAX__ 9223372036854775807L
+// X86_64-LINUX:#define __INTMAX_TYPE__ long int
+// X86_64-LINUX:#define __INTMAX_WIDTH__ 64
+// X86_64-LINUX:#define __INTPTR_TYPE__ long int
+// X86_64-LINUX:#define __INTPTR_WIDTH__ 64
+// X86_64-LINUX:#define __INT_MAX__ 2147483647
+// X86_64-LINUX:#define __LDBL_DENORM_MIN__ 3.64519953188247460253e-4951L
+// X86_64-LINUX:#define __LDBL_DIG__ 18
+// X86_64-LINUX:#define __LDBL_EPSILON__ 1.08420217248550443401e-19L
+// X86_64-LINUX:#define __LDBL_HAS_DENORM__ 1
+// X86_64-LINUX:#define __LDBL_HAS_INFINITY__ 1
+// X86_64-LINUX:#define __LDBL_HAS_QUIET_NAN__ 1
+// X86_64-LINUX:#define __LDBL_MANT_DIG__ 64
+// X86_64-LINUX:#define __LDBL_MAX_10_EXP__ 4932
+// X86_64-LINUX:#define __LDBL_MAX_EXP__ 16384
+// X86_64-LINUX:#define __LDBL_MAX__ 1.18973149535723176502e+4932L
+// X86_64-LINUX:#define __LDBL_MIN_10_EXP__ (-4931)
+// X86_64-LINUX:#define __LDBL_MIN_EXP__ (-16381)
+// X86_64-LINUX:#define __LDBL_MIN__ 3.36210314311209350626e-4932L
+// X86_64-LINUX:#define __LITTLE_ENDIAN__ 1
+// X86_64-LINUX:#define __LONG_LONG_MAX__ 9223372036854775807LL
+// X86_64-LINUX:#define __LONG_MAX__ 9223372036854775807L
+// X86_64-LINUX:#define __LP64__ 1
+// X86_64-LINUX:#define __MMX__ 1
+// X86_64-LINUX:#define __NO_INLINE__ 1
+// X86_64-LINUX:#define __NO_MATH_INLINES 1
+// X86_64-LINUX:#define __POINTER_WIDTH__ 64
+// X86_64-LINUX:#define __PTRDIFF_TYPE__ long int
+// X86_64-LINUX:#define __PTRDIFF_WIDTH__ 64
+// X86_64-LINUX:#define __REGISTER_PREFIX__ 
+// X86_64-LINUX:#define __SCHAR_MAX__ 127
+// X86_64-LINUX:#define __SHRT_MAX__ 32767
+// X86_64-LINUX:#define __SIG_ATOMIC_WIDTH__ 32
+// X86_64-LINUX:#define __SIZEOF_DOUBLE__ 8
+// X86_64-LINUX:#define __SIZEOF_FLOAT__ 4
+// X86_64-LINUX:#define __SIZEOF_INT__ 4
+// X86_64-LINUX:#define __SIZEOF_LONG_DOUBLE__ 16
+// X86_64-LINUX:#define __SIZEOF_LONG_LONG__ 8
+// X86_64-LINUX:#define __SIZEOF_LONG__ 8
+// X86_64-LINUX:#define __SIZEOF_POINTER__ 8
+// X86_64-LINUX:#define __SIZEOF_PTRDIFF_T__ 8
+// X86_64-LINUX:#define __SIZEOF_SHORT__ 2
+// X86_64-LINUX:#define __SIZEOF_SIZE_T__ 8
+// X86_64-LINUX:#define __SIZEOF_WCHAR_T__ 4
+// X86_64-LINUX:#define __SIZEOF_WINT_T__ 4
+// X86_64-LINUX:#define __SIZE_TYPE__ long unsigned int
+// X86_64-LINUX:#define __SIZE_WIDTH__ 64
+// X86_64-LINUX:#define __SSE2_MATH__ 1
+// X86_64-LINUX:#define __SSE2__ 1
+// X86_64-LINUX:#define __SSE_MATH__ 1
+// X86_64-LINUX:#define __SSE__ 1
+// X86_64-LINUX:#define __UINTMAX_TYPE__ long unsigned int
+// X86_64-LINUX:#define __USER_LABEL_PREFIX__
+// X86_64-LINUX:#define __WCHAR_MAX__ 2147483647
+// X86_64-LINUX:#define __WCHAR_TYPE__ int
+// X86_64-LINUX:#define __WCHAR_WIDTH__ 32
+// X86_64-LINUX:#define __WINT_TYPE__ unsigned int
+// X86_64-LINUX:#define __WINT_WIDTH__ 32
+// X86_64-LINUX:#define __amd64 1
+// X86_64-LINUX:#define __amd64__ 1
+// X86_64-LINUX:#define __nocona 1
+// X86_64-LINUX:#define __nocona__ 1
+// X86_64-LINUX:#define __tune_nocona__ 1
+// X86_64-LINUX:#define __x86_64 1
+// X86_64-LINUX:#define __x86_64__ 1
+//
 // RUN: %clang_cc1 -x c++ -triple i686-pc-linux-gnu -E -dM < /dev/null | FileCheck -check-prefix GNUSOURCE %s
 // GNUSOURCE:#define _GNU_SOURCE 1
 // 
diff --git a/test/Preprocessor/objc-pp.m b/test/Preprocessor/objc-pp.m
index 3e09325..0ec288c 100644
--- a/test/Preprocessor/objc-pp.m
+++ b/test/Preprocessor/objc-pp.m
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic
+// RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic -ffreestanding
 
 #import <stdint.h>  // no warning on #import in objc mode.
 
diff --git a/test/Preprocessor/pragma-pushpop-macro.c b/test/Preprocessor/pragma-pushpop-macro.c
index 87cceaa..71b0e0e 100644
--- a/test/Preprocessor/pragma-pushpop-macro.c
+++ b/test/Preprocessor/pragma-pushpop-macro.c
@@ -25,9 +25,17 @@ int pmx3 = X;
 #pragma pop_macro("Y")
 int pmy1 = Y;
 
+// Have a stray 'push' to show we don't crash when having inbalanced
+// push/pop
+#pragma push_macro("Y")
+#define Y 4
+int pmy2 = Y;
+
 // CHECK: int pmx0 = 1
 // CHECK: int pmy0 = 2
 // CHECK: int pmx1 = 1
 // CHECK: int pmx2 = 2
 // CHECK: int pmx3 = 1
 // CHECK: int pmy1 = 3
+// CHECK: int pmy2 = 4
+
diff --git a/test/Preprocessor/pragma_diagnostic_sections.cpp b/test/Preprocessor/pragma_diagnostic_sections.cpp
new file mode 100644
index 0000000..69436b0
--- /dev/null
+++ b/test/Preprocessor/pragma_diagnostic_sections.cpp
@@ -0,0 +1,80 @@
+// RUN: %clang_cc1 -fsyntax-only -Wall -Wunused-macros -Wunused-parameter -Wno-uninitialized -verify %s
+
+// rdar://8365684
+struct S {
+    void m1() { int b = b==b; } // expected-warning {{always evaluates to true}}
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wtautological-compare"
+    void m2() { int b = b==b; }
+#pragma clang diagnostic pop
+
+    void m3() { int b = b==b; } // expected-warning {{always evaluates to true}}
+};
+
+//------------------------------------------------------------------------------
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wtautological-compare"
+template <typename T>
+struct TS {
+    void m() { T b = b==b; }
+};
+#pragma clang diagnostic pop
+
+void f() {
+    TS<int> ts;
+    ts.m();
+}
+
+//------------------------------------------------------------------------------
+
+#define UNUSED_MACRO1 // expected-warning {{macro is not used}}
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-macros"
+#define UNUSED_MACRO2
+#pragma clang diagnostic pop
+
+//------------------------------------------------------------------------------
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wreturn-type"
+int g() { }
+#pragma clang diagnostic pop
+
+//------------------------------------------------------------------------------
+
+void ww(
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-parameter"
+        int x,
+#pragma clang diagnostic pop
+        int y) // expected-warning {{unused}}
+{
+}
+
+//------------------------------------------------------------------------------
+
+struct S2 {
+    int x, y;
+    S2() : 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wreorder"
+    y(),
+    x()
+#pragma clang diagnostic pop
+    {}
+};
+
+//------------------------------------------------------------------------------
+
+// rdar://8790245
+#define MYMACRO \
+    _Pragma("clang diagnostic push") \
+    _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") \
+    _Pragma("clang diagnostic pop")
+MYMACRO
+#undef MYMACRO
+
+//------------------------------------------------------------------------------
diff --git a/test/Preprocessor/pragma_unknown.c b/test/Preprocessor/pragma_unknown.c
index c185153..0672ade 100644
--- a/test/Preprocessor/pragma_unknown.c
+++ b/test/Preprocessor/pragma_unknown.c
@@ -21,7 +21,7 @@
 #pragma STDC CX_LIMITED_RANGE IN_BETWEEN   // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
 
 #pragma STDC CX_LIMITED_RANGE    // expected-warning {{expected 'ON' or 'OFF' or 'DEFAULT' in pragma}}
-#pragma STDC CX_LIMITED_RANGE ON FULL POWER  // expected-warning {{expected end of macro in STDC pragma}}
+#pragma STDC CX_LIMITED_RANGE ON FULL POWER  // expected-warning {{expected end of macro in pragma}}
 
 #pragma STDC SO_GREAT  // expected-warning {{unknown pragma in STDC namespace}}
 #pragma STDC   // expected-warning {{unknown pragma in STDC namespace}}
diff --git a/test/Preprocessor/predefined-macros.c b/test/Preprocessor/predefined-macros.c
new file mode 100644
index 0000000..85a0cb8
--- /dev/null
+++ b/test/Preprocessor/predefined-macros.c
@@ -0,0 +1,12 @@
+// This test verifies that the correct macros are predefined. It currently
+// only checks for Microsoft macros.
+
+// RUN: %clang_cc1 %s -E -dM -triple i686-pc-win32 -fms-extensions -fmsc-version=1300 -o - | FileCheck %s
+
+
+// CHECK: #define _INTEGRAL_MAX_BITS 64
+// CHECK: #define _MSC_EXTENSIONS 1
+// CHECK: #define _MSC_VER 1300
+// CHECK: #define _M_IX86 600
+// CHECK: #define _M_IX86_FP
+// CHECK: #define _WIN32 1
diff --git a/test/Preprocessor/print_line_empty_file.c b/test/Preprocessor/print_line_empty_file.c
new file mode 100644
index 0000000..868d0b7
--- /dev/null
+++ b/test/Preprocessor/print_line_empty_file.c
@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -E %s | FileCheck %s
+
+#line 21 ""
+int foo() { return 42; }
+
+#line 4 "bug.c" 
+int bar() { return 21; }
+
+// CHECK: # 21 ""
+// CHECK: int foo() { return 42; }
+// CHECK: # 4 "bug.c"
+// CHECK: int bar() { return 21; }
diff --git a/test/Preprocessor/pushable-diagnostics.c b/test/Preprocessor/pushable-diagnostics.c
index 567a866f..877eaaa 100644
--- a/test/Preprocessor/pushable-diagnostics.c
+++ b/test/Preprocessor/pushable-diagnostics.c
@@ -4,14 +4,14 @@
 
 #pragma clang diagnostic puhs // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}}
 
-char a = 'df'; // expected-warning{{multi-character character constant}}
+int a = 'df'; // expected-warning{{multi-character character constant}}
 
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wmultichar"
 
-char b = 'df'; // no warning.
+int b = 'df'; // no warning.
 #pragma clang diagnostic pop
 
-char c = 'df';  // expected-warning{{multi-character character constant}}
+int c = 'df';  // expected-warning{{multi-character character constant}}
 
 #pragma clang diagnostic pop // expected-warning{{pragma diagnostic pop could not pop, no matching push}}
diff --git a/test/Preprocessor/stdint.c b/test/Preprocessor/stdint.c
index f8bb921..b3ae843 100644
--- a/test/Preprocessor/stdint.c
+++ b/test/Preprocessor/stdint.c
@@ -421,106 +421,6 @@
 // MSP430:INTMAX_C_(0) 0L
 // MSP430:UINTMAX_C_(0) 0UL
 //
-// RUN: %clang_cc1 -E -ffreestanding -triple=pic16-none-none %s | FileCheck -check-prefix PIC16 %s
-// 
-// PIC16:typedef signed long int int32_t;
-// PIC16:typedef unsigned long int uint32_t;
-// PIC16:typedef int32_t int_least32_t;
-// PIC16:typedef uint32_t uint_least32_t;
-// PIC16:typedef int32_t int_fast32_t;
-// PIC16:typedef uint32_t uint_fast32_t;
-//
-// PIC16:typedef signed short int16_t;
-// PIC16:typedef unsigned short uint16_t;
-// PIC16:typedef int16_t int_least16_t;
-// PIC16:typedef uint16_t uint_least16_t;
-// PIC16:typedef int16_t int_fast16_t;
-// PIC16:typedef uint16_t uint_fast16_t;
-//
-// PIC16:typedef signed char int8_t;
-// PIC16:typedef unsigned char uint8_t;
-// PIC16:typedef int8_t int_least8_t;
-// PIC16:typedef uint8_t uint_least8_t;
-// PIC16:typedef int8_t int_fast8_t;
-// PIC16:typedef uint8_t uint_fast8_t;
-//
-// PIC16:typedef int16_t intptr_t;
-// PIC16:typedef uint16_t uintptr_t;
-//
-// PIC16:typedef long int intmax_t;
-// PIC16:typedef long unsigned int uintmax_t;
-//
-// PIC16:INT8_MAX_ 127
-// PIC16:INT8_MIN_ (-127 -1)
-// PIC16:UINT8_MAX_ 255
-// PIC16:INT_LEAST8_MIN_ (-127 -1)
-// PIC16:INT_LEAST8_MAX_ 127
-// PIC16:UINT_LEAST8_MAX_ 255
-// PIC16:INT_FAST8_MIN_ (-127 -1)
-// PIC16:INT_FAST8_MAX_ 127
-// PIC16:UINT_FAST8_MAX_ 255
-//
-// PIC16:INT16_MAX_ 32767
-// PIC16:INT16_MIN_ (-32767 -1)
-// PIC16:UINT16_MAX_ 65535
-// PIC16:INT_LEAST16_MIN_ (-32767 -1)
-// PIC16:INT_LEAST16_MAX_ 32767
-// PIC16:UINT_LEAST16_MAX_ 65535
-// PIC16:INT_FAST16_MIN_ (-32767 -1)
-// PIC16:INT_FAST16_MAX_ 32767
-// PIC16:UINT_FAST16_MAX_ 65535
-//
-// PIC16:INT32_MAX_ 2147483647L
-// PIC16:INT32_MIN_ (-2147483647L -1)
-// PIC16:UINT32_MAX_ 4294967295UL
-// PIC16:INT_LEAST32_MIN_ (-2147483647L -1)
-// PIC16:INT_LEAST32_MAX_ 2147483647L
-// PIC16:UINT_LEAST32_MAX_ 4294967295UL
-// PIC16:INT_FAST32_MIN_ (-2147483647L -1)
-// PIC16:INT_FAST32_MAX_ 2147483647L
-// PIC16:UINT_FAST32_MAX_ 4294967295UL
-//
-// PIC16:INT64_MAX_ INT64_MAX
-// PIC16:INT64_MIN_ INT64_MIN
-// PIC16:UINT64_MAX_ UINT64_MAX
-// PIC16:INT_LEAST64_MIN_ INT_LEAST64_MIN
-// PIC16:INT_LEAST64_MAX_ INT_LEAST64_MAX
-// PIC16:UINT_LEAST64_MAX_ UINT_LEAST64_MAX
-// PIC16:INT_FAST64_MIN_ INT_FAST64_MIN
-// PIC16:INT_FAST64_MAX_ INT_FAST64_MAX
-// PIC16:UINT_FAST64_MAX_ UINT_FAST64_MAX
-//
-// PIC16:INTPTR_MIN_ (-32767 -1)
-// PIC16:INTPTR_MAX_ 32767
-// PIC16:UINTPTR_MAX_ 65535
-// PIC16:PTRDIFF_MIN_ (-32767 -1)
-// PIC16:PTRDIFF_MAX_ 32767
-// PIC16:SIZE_MAX_ 65535
-//
-// PIC16:INTMAX_MIN_ (-2147483647L -1)
-// PIC16:INTMAX_MAX_ 2147483647L
-// PIC16:UINTMAX_MAX_ 4294967295UL
-//
-// PIC16:SIG_ATOMIC_MIN_ (-2147483647L -1)
-// PIC16:SIG_ATOMIC_MAX_ 2147483647L
-// PIC16:WINT_MIN_ (-32767 -1)
-// PIC16:WINT_MAX_ 32767
-//
-// PIC16:WCHAR_MAX_ 32767
-// PIC16:WCHAR_MIN_ (-32767 -1)
-//
-// PIC16:INT8_C_(0) 0
-// PIC16:UINT8_C_(0) 0U
-// PIC16:INT16_C_(0) 0
-// PIC16:UINT16_C_(0) 0U
-// PIC16:INT32_C_(0) 0L
-// PIC16:UINT32_C_(0) 0UL
-// PIC16:INT64_C_(0) INT64_C(0)
-// PIC16:UINT64_C_(0) UINT64_C(0)
-//
-// PIC16:INTMAX_C_(0) 0L
-// PIC16:UINTMAX_C_(0) 0UL
-//
 // RUN: %clang_cc1 -E -ffreestanding -triple=powerpc64-none-none %s | FileCheck -check-prefix PPC64 %s
 //
 // PPC64:typedef signed long int int64_t;
diff --git a/test/Preprocessor/warn-macro-unused.c b/test/Preprocessor/warn-macro-unused.c
new file mode 100644
index 0000000..8a6d7c2
--- /dev/null
+++ b/test/Preprocessor/warn-macro-unused.c
@@ -0,0 +1,5 @@
+// RUN: %clang_cc1 %s -Wunused-macros -Dfoo -Dfoo -verify
+
+#define unused // expected-warning {{macro is not used}}
+#define unused
+unused