ret <4 x i32> %vcgez.i
}
+
+; The last test needs this weird datalayout.
+target datalayout = "i32:8:8"
+; Without it, InstCombine will align the pointed on 4 Bytes
+; The KnownBitsZero that result from the alignment allows to
+; turn:
+; and i32 %mul, 255
+; to:
+; and i32 %mul, 252
+; The mask is no longer in the form 2^n-1 and this prevents the transformation.
+
@pr21445_data = external global i32
define i1 @pr21445(i8 %a) {
; CHECK-LABEL: @pr21445(