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73f8eff19e
The loop vectorizer preserves wrapping, exact, and fast-math properties of scalar instructions. This patch adds a convenience method to make that operation easier because we need to do this in the loop vectorizer, SLP vectorizer, and possibly other places. Although this is a 'no functional change' patch, I've added a testcase to verify that the exact flag is preserved by the loop vectorizer. The wrapping and fast-math flags are already checked in existing testcases. Differential Revision: http://reviews.llvm.org/D5138 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216886 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| AArch64 | ||
| ARM | ||
| PowerPC | ||
| X86 | ||
| XCore | ||
| 12-12-11-if-conv.ll | ||
| 2012-10-20-infloop.ll | ||
| 2012-10-22-isconsec.ll | ||
| align.ll | ||
| bsd_regex.ll | ||
| bzip_reverse_loops.ll | ||
| calloc.ll | ||
| cast-induction.ll | ||
| conditional-assignment.ll | ||
| control-flow.ll | ||
| cpp-new-array.ll | ||
| dbg.value.ll | ||
| debugloc.ll | ||
| duplicated-metadata.ll | ||
| ee-crash.ll | ||
| exact.ll | ||
| flags.ll | ||
| float-reduction.ll | ||
| funcall.ll | ||
| gcc-examples.ll | ||
| global_alias.ll | ||
| hoist-loads.ll | ||
| i8-induction.ll | ||
| if-conv-crash.ll | ||
| if-conversion-edgemasks.ll | ||
| if-conversion-nest.ll | ||
| if-conversion-reduction.ll | ||
| if-conversion.ll | ||
| if-pred-stores.ll | ||
| increment.ll | ||
| induction_plus.ll | ||
| induction.ll | ||
| infiniteloop.ll | ||
| intrinsic.ll | ||
| lcssa-crash.ll | ||
| lifetime.ll | ||
| memdep.ll | ||
| metadata-unroll.ll | ||
| metadata-width.ll | ||
| metadata.ll | ||
| minmax_reduction.ll | ||
| multi-use-reduction-bug.ll | ||
| multiple-address-spaces.ll | ||
| no_array_bounds.ll | ||
| no_idiv_reduction.ll | ||
| no_int_induction.ll | ||
| no_outside_user.ll | ||
| no_switch.ll | ||
| nofloat.ll | ||
| non-const-n.ll | ||
| nsw-crash.ll | ||
| opt.ll | ||
| phi-hang.ll | ||
| ptr_loops.ll | ||
| read-only.ll | ||
| reduction.ll | ||
| reverse_induction.ll | ||
| reverse_iter.ll | ||
| runtime-check-address-space.ll | ||
| runtime-check-readonly-address-space.ll | ||
| runtime-check-readonly.ll | ||
| runtime-check.ll | ||
| runtime-limit.ll | ||
| safegep.ll | ||
| same-base-access.ll | ||
| scalar-select.ll | ||
| scev-exitlim-crash.ll | ||
| simple-unroll.ll | ||
| small-loop.ll | ||
| start-non-zero.ll | ||
| store-shuffle-bug.ll | ||
| struct_access.ll | ||
| tbaa-nodep.ll | ||
| undef-inst-bug.ll | ||
| unroll_novec.ll | ||
| value-ptr-bug.ll | ||
| vect.omp.persistence.ll | ||
| vect.stats.ll | ||
| vectorize-once.ll | ||
| version-mem-access.ll | ||
| write-only.ll | ||