[X86] Move all Intel defined intrinsic includes into immintrin.h

This matches the Intel documentation which shows them available by importing immintrin.h. x86intrin.h also includes immintrin.h so anyone including x86intrin.h will still get them.

This is different than gcc, but I don't think we were a perfect match there already. I'm unclear what gcc's policy is about how they choose which to add things to.

Differential Revision: https://reviews.llvm.org/D47182

llvm-svn: 333110

clang/lib/Headers/cldemoteintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <cldemoteintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/clzerointrin.h

@@ -20,7 +20,7 @@
  *
  *===-----------------------------------------------------------------------===
  */
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <clzerointrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/immintrin.h

@@ -90,6 +90,10 @@
 #include <lzcntintrin.h>
 #endif
 
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__POPCNT__)
+#include <popcntintrin.h>
+#endif
+
 #if !defined(_MSC_VER) || __has_feature(modules) || defined(__FMA__)
 #include <fmaintrin.h>
 #endif
@@ -339,4 +343,41 @@ _writegsbase_u64(unsigned long long __V)
  * whereas others are also available at all times. */
 #include <adxintrin.h>
 
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__RDSEED__)
+#include <rdseedintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLZERO__)
+#include <clzerointrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__WBNOINVD__)
+#include <wbnoinvdintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLDEMOTE__)
+#include <cldemoteintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__WAITPKG__)
+#include <waitpkgintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || \
+  defined(__MOVDIRI__) || defined(__MOVDIR64B__)
+#include <movdirintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__PCONFIG__)
+#include <pconfigintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__SGX__)
+#include <sgxintrin.h>
+#endif
+
+#if !defined(_MSC_VER) || __has_feature(modules) || defined(__PTWRITE__)
+#include <ptwriteintrin.h>
+#endif
+
 #endif /* __IMMINTRIN_H */

clang/lib/Headers/movdirintrin.h

@@ -20,7 +20,7 @@
  *
  *===-----------------------------------------------------------------------===
  */
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <movdirintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/pconfigintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <pconfigintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/ptwriteintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <ptwriteintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/rdseedintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <rdseedintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/sgxintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <sgxintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/waitpkgintrin.h

@@ -20,7 +20,7 @@
  *
  *===-----------------------------------------------------------------------===
  */
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <waitpkgintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/wbnoinvdintrin.h

@@ -21,7 +21,7 @@
  *===-----------------------------------------------------------------------===
  */
 
-#ifndef __X86INTRIN_H
+#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
 #error "Never use <wbnoinvdintrin.h> directly; include <x86intrin.h> instead."
 #endif
 

clang/lib/Headers/x86intrin.h

@@ -32,26 +32,6 @@
 #include <mm3dnow.h>
 #endif
 
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__BMI__)
-#include <bmiintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__BMI2__)
-#include <bmi2intrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__LZCNT__)
-#include <lzcntintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__POPCNT__)
-#include <popcntintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__RDSEED__)
-#include <rdseedintrin.h>
-#endif
-
 #if !defined(_MSC_VER) || __has_feature(modules) || defined(__PRFCHW__)
 #include <prfchwintrin.h>
 #endif
@@ -76,45 +56,8 @@
 #include <lwpintrin.h>
 #endif
 
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__F16C__)
-#include <f16cintrin.h>
-#endif
-
 #if !defined(_MSC_VER) || __has_feature(modules) || defined(__MWAITX__)
 #include <mwaitxintrin.h>
 #endif
 
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLZERO__)
-#include <clzerointrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__WBNOINVD__)
-#include <wbnoinvdintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__CLDEMOTE__)
-#include <cldemoteintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__WAITPKG__)
-#include <waitpkgintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || \
-  defined(__MOVDIRI__) || defined(__MOVDIR64B__)
-#include <movdirintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__PCONFIG__)
-#include <pconfigintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__SGX__)
-#include <sgxintrin.h>
-#endif
-
-#if !defined(_MSC_VER) || __has_feature(modules) || defined(__PTWRITE__)
-#include <ptwriteintrin.h>
-#endif
-
 #endif /* __X86INTRIN_H */