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* [SystemZ] Support conditional indirect sibling calls via BCRUlrich Weigand2016-04-111-0/+467
This adds a conditional variant of CallBR instruction, CallBCR. Also, it can be fused with integer comparisons, resulting in one of the new C*BCall instructions. In addition to CallBRCL limitations, this has another one: it won't trigger if the function to call isn't already in %r1 - see f22 in the test for an example (it's also why the loads in tests are volatile). Author: koriakin Differential Revision: http://reviews.llvm.org/D18928 llvm-svn: 265933
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