[docs] Improve description of LLVM_BUILD_TESTS
authorKeith Smiley <keithbsmiley@gmail.com>
Thu, 2 Sep 2021 00:20:13 +0000 (17:20 -0700)
committerKeith Smiley <keithbsmiley@gmail.com>
Sat, 11 Sep 2021 01:01:38 +0000 (18:01 -0700)
commitf7062f6dfbbcc3ac13c215a620bbbe3806fa2c77
tree11af93b4f4c2cd0f0ceeb545d3612800cee34af4
parent89ed21a8f864b1c33a95ed127d073842adc2fcd0
[docs] Improve description of LLVM_BUILD_TESTS

This makes it clear that this only has an effect if you use the all
build target.

Differential Revision: https://reviews.llvm.org/D109113
llvm/docs/CMake.rst