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dag combine is miscompiling this on ppc: define i8 @foo(i16 zext %a) zext { entry: %tmp2 = lshr i16 %a, 10 ; [#uses=1] %tmp23 = trunc i16 %tmp2 to i8 ; [#uses=1] %tmp4 = shl i8 %tmp23, 1 ; [#uses=1] %tmp5 = and i8 %tmp4, 2 ; [#uses=1] ret i8 %tmp5 }
-Chris
The text was updated successfully, but these errors were encountered:
Fixed. Patch here: http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20070528/050089.html
Testcase here: CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll
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Merge pull request llvm#1845 from jimingham/delete-disabled
e40e736
Add `breakpoint delete --disabled`: deletes all disabled breakpoints.
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Extended Description
dag combine is miscompiling this on ppc:
define i8 @foo(i16 zext %a) zext {
entry:
%tmp2 = lshr i16 %a, 10 ; [#uses=1]
%tmp23 = trunc i16 %tmp2 to i8 ; [#uses=1]
%tmp4 = shl i8 %tmp23, 1 ; [#uses=1]
%tmp5 = and i8 %tmp4, 2 ; [#uses=1]
ret i8 %tmp5
}
-Chris
The text was updated successfully, but these errors were encountered: