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Craig Topper 50f3d1452c [X86] Clzero intrinsic and its addition under znver1

This patch does the following.

1. Adds an Intrinsic int_x86_clzero which works with __builtin_ia32_clzero
2. Identifies clzero feature using cpuid info. (Function:8000_0008, Checks if EBX[0]=1)
3. Adds the clzero feature under znver1 architecture.
4. The custom inserter is added in Lowering.
5. A testcase is added to check the intrinsic.
6. The clzero instruction is added to assembler test.

Patch by Ganesh Gopalasubramanian with a couple formatting tweaks, a disassembler test, and using update_llc_test.py from me.

Differential revision: https://reviews.llvm.org/D29385

llvm-svn: 294558

2017-02-09 04:27:34 +00:00

clang

Add check that "#define unix 1" is present for the PS4 target.

2017-02-09 00:07:38 +00:00

clang-tools-extra

[clang-tidy] Add -extra-arg and -extra-arg-before to clang-tidy-diff.py

2017-02-08 17:50:24 +00:00

compiler-rt

[sancov] sanitizer coverage initialization test

2017-02-09 00:01:35 +00:00

debuginfo-tests

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