forked from OSchip/llvm-project
4a47f5f550
This is part of a transform that may be done in the backend: D13757 ...but it should always be beneficial to fold this sooner in IR for all targets. https://rise4fun.com/Alive/vaiW Name: sext add nsw %add = add nsw i8 %i, C0 %ext = sext i8 %add to i32 %r = add i32 %ext, C1 => %s = sext i8 %i to i32 %r = add i32 %s, sext(C0)+C1 Name: zext add nuw %add = add nuw i8 %i, C0 %ext = zext i8 %add to i16 %r = add i16 %ext, C1 => %s = zext i8 %i to i16 %r = add i16 %s, zext(C0)+C1 llvm-svn: 355118 |
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