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Diffstat (limited to 'lib/Target/README.txt')
| -rw-r--r-- | lib/Target/README.txt | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt index a6e05fa..22dadfe 100644 --- a/lib/Target/README.txt +++ b/lib/Target/README.txt @@ -282,19 +282,6 @@ this requires TBAA. //===---------------------------------------------------------------------===// -This should be optimized to one 'and' and one 'or', from PR4216: - -define i32 @test_bitfield(i32 %bf.prev.low) nounwind ssp { -entry: - %bf.prev.lo.cleared10 = or i32 %bf.prev.low, 32962 ; <i32> [#uses=1] - %0 = and i32 %bf.prev.low, -65536 ; <i32> [#uses=1] - %1 = and i32 %bf.prev.lo.cleared10, 40186 ; <i32> [#uses=1] - %2 = or i32 %1, %0 ; <i32> [#uses=1] - ret i32 %2 -} - -//===---------------------------------------------------------------------===// - This isn't recognized as bswap by instcombine (yes, it really is bswap): unsigned long reverse(unsigned v) { |