Files
clang-p2996/llvm/test/CodeGen/PowerPC
Sanjay Patel 8652c53d29 [DAG] propagate FMF for all FPMathOperators
This is a simple hack based on what's proposed in D37686, but we can extend it if needed in follow-ups. 
It gets us most of the FMF functionality that we want without adding any state bits to the flags. It 
also intentionally leaves out non-FMF flags (nsw, etc) to minimize the patch.

It should provide a superset of the functionality from D46563 - the extra tests show propagation and 
codegen diffs for fcmp, vecreduce, and FP libcalls.

The PPC log2() test shows the limits of this most basic approach - we only applied 'afn' to the last 
node created for the call. AFAIK, there aren't any libcall optimizations based on the flags currently, 
so that shouldn't make any difference.

Differential Revision: https://reviews.llvm.org/D46854

llvm-svn: 332358
2018-05-15 14:16:24 +00:00
..
2017-11-06 19:09:38 +00:00
2018-04-18 20:22:26 +00:00
2017-10-10 08:46:10 +00:00