ebf9bf2cbc
Similar to/extension of D70208 (rGee0882bdf866), but this one may finally allow closing motivating bugs. This is another step towards having FMF apply only to FP values rather than those + fcmp. See PR38086 for one of the original discussions/motivations: https://bugs.llvm.org/show_bug.cgi?id=38086 And the test here is derived from PR39535: https://bugs.llvm.org/show_bug.cgi?id=39535 Currently, we lose FMF when converting any phi to select in SimplifyCFG. There are a small number of similar changes needed to correct within SimplifyCFG, so it should be quick to patch this pass up. FMF was extended to select and phi with: D61917 D67564
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