You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
define <3 x i4> @splat_undef(<3 x i4> %x, <3 x i4> %y) {
%n0 = xor <3 x i4> %x, %y
%n1 = and <3 x i4> %n0, { 14, undef, 14 }
%r = xor <3 x i4> %n1, %y
ret <3 x i4> %r
}
=>
define <3 x i4> @splat_undef(<3 x i4> %x, <3 x i4> %y) {
%1 = and <3 x i4> %x, { 14, undef, 14 }
%2 = and <3 x i4> %y, { 1, undef, 1 }
%r = or <3 x i4> %1, %2
ret <3 x i4> %r
}
Transformation doesn't verify!
ERROR: Value mismatch
Extended Description
Test: Transforms/InstCombine/unfold-masked-merge-with-const-mask-vector.ll
define <3 x i4> @splat_undef(<3 x i4> %x, <3 x i4> %y) {
%n0 = xor <3 x i4> %x, %y
%n1 = and <3 x i4> %n0, { 14, undef, 14 }
%r = xor <3 x i4> %n1, %y
ret <3 x i4> %r
}
=>
define <3 x i4> @splat_undef(<3 x i4> %x, <3 x i4> %y) {
%1 = and <3 x i4> %x, { 14, undef, 14 }
%2 = and <3 x i4> %y, { 1, undef, 1 }
%r = or <3 x i4> %1, %2
ret <3 x i4> %r
}
Transformation doesn't verify!
ERROR: Value mismatch
Example:
<3 x i4> %x = < #x0 (0), #xd (13, -3), #x0 (0) >
<3 x i4> %y = < undef, #x8 (8, -8), #x0 (0) >
Source:
<3 x i4> %n0 = < #x0 (0), #x5 (5), #x0 (0) >
<3 x i4> %n1 = < #x0 (0), #x0 (0) [based on undef value], #x0 (0) >
<3 x i4> %r = < #x0 (0), #x8 (8, -8), #x0 (0) >
Target:
<3 x i4> %1 = < #x0 (0), #x1 (1), #x0 (0) >
<3 x i4> %2 = < #x0 (0), #x0 (0), #x0 (0) >
<3 x i4> %r = < #x0 (0), #x1 (1), #x0 (0) >
Source value: < #x0 (0), #x8 (8, -8), #x0 (0) >
Target value: < #x0 (0), #x1 (1), #x0 (0) >
https://web.ist.utl.pt/nuno.lopes/alive2/index.php?hash=2009353267698970&test=Transforms%2FInstCombine%2Funfold-masked-merge-with-const-mask-vector.ll
The text was updated successfully, but these errors were encountered: