LLVM test CodeGen/Hexagon/hwloop3.ll tries to check for the absence of a
sequence of consecutive instructions with several CHECK-NOT with one of
those directives using a variable defined in another. However CHECK-NOT
are checked independently so that is using a variable defined in a
pattern that should not occur in the input.
This commit merges the two CHECK-NOT into a single CHECK-NOT that
matches the content of two successive non-blank lines, thereby allowing
to preserve the intent of the test.
Reviewed By: bcahoon
Differential Revision: https://reviews.llvm.org/D99778
Refactored parts of the hardware loop pass to generate
more. Also, added more tests.
Differential Revision: http://reviews.llvm.org/D9568
llvm-svn: 236896
Thomas Preud'homme