llvm-6502/test/Transforms/InstCombine/apint-elim-logicalops.ll
Dan Gohman f2f6ce65b7 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

40 lines
1.2 KiB
LLVM

; Test that elimination of logical operators works with
; arbitrary precision integers.
; RUN: opt < %s -instcombine -S | \
; RUN: not grep {(and\|xor\|add\|shl\|shr)}
; END.
define i33 @test1(i33 %x) {
%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
%tmp.2 = xor i33 %tmp.1, -32768 ; <i33> [#uses=1]
%tmp.3 = add i33 %tmp.2, 32768 ; <i33> [#uses=1]
ret i33 %tmp.3
}
define i33 @test2(i33 %x) {
%tmp.1 = and i33 %x, 65535 ; <i33> [#uses=1]
%tmp.2 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
%tmp.3 = add i33 %tmp.2, -32768 ; <i33> [#uses=1]
ret i33 %tmp.3
}
define i33 @test3(i16 %P) {
%tmp.1 = zext i16 %P to i33 ; <i33> [#uses=1]
%tmp.4 = xor i33 %tmp.1, 32768 ; <i33> [#uses=1]
%tmp.5 = add i33 %tmp.4, -32768 ; <i33> [#uses=1]
ret i33 %tmp.5
}
define i33 @test5(i33 %x) {
%tmp.1 = and i33 %x, 254
%tmp.2 = xor i33 %tmp.1, 128
%tmp.3 = add i33 %tmp.2, -128
ret i33 %tmp.3
}
define i33 @test6(i33 %x) {
%tmp.2 = shl i33 %x, 16 ; <i33> [#uses=1]
%tmp.4 = lshr i33 %tmp.2, 16 ; <i33> [#uses=1]
ret i33 %tmp.4
}