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Eric Christopher d983270976 Add support for the x86 builtin __builtin_cpu_supports.

This matches the implementation of the gcc support for the same
feature, including checking the values set up by libgcc at runtime.
The structure looks like this:

  unsigned int __cpu_vendor;
  unsigned int __cpu_type;
  unsigned int __cpu_subtype;
  unsigned int __cpu_features[1];

with a set of enums to match various fields that are field out after
parsing the output of the cpuid instruction.
This also adds a set of errors checking for valid input (and cpu).

compiler-rt support for this and the other builtins in this family
(__builtin_cpu_init and __builtin_cpu_is) are forthcoming.

llvm-svn: 240994

2015-06-29 21:00:05 +00:00

clang

Add support for the x86 builtin __builtin_cpu_supports.

2015-06-29 21:00:05 +00:00

clang-tools-extra

[clang-tidy] Fix false positives in the macro parentheses checker

2015-06-29 12:18:11 +00:00

compiler-rt

[asan] Fix SanitizerCommon.PthreadDestructorIterations test on Android L.

2015-06-29 20:28:55 +00:00

debuginfo-tests

New round of fixes for "Always compile debuginfo-tests for the host triple"