mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
cdd728cca2
Make use of the END. facility on all files > 1K so that we aren't wasting CPU cycles searching for RUN: lines that we'll never find. llvm-svn: 36059
52 lines
1.2 KiB
LLVM
52 lines
1.2 KiB
LLVM
; This test makes sure that xor instructions are properly eliminated.
|
|
; This test is for Integer BitWidth > 64 && BitWidth <= 1024.
|
|
|
|
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {xor }
|
|
; END.
|
|
|
|
|
|
define i447 @test1(i447 %A, i447 %B) {
|
|
;; (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
|
|
%A1 = and i447 %A, 70368744177664
|
|
%B1 = and i447 %B, 70368744177663
|
|
%C1 = xor i447 %A1, %B1
|
|
ret i447 %C1
|
|
}
|
|
|
|
define i1005 @test2(i1005 %x) {
|
|
%tmp.2 = xor i1005 %x, 0
|
|
ret i1005 %tmp.2
|
|
}
|
|
|
|
define i123 @test3(i123 %x) {
|
|
%tmp.2 = xor i123 %x, %x
|
|
ret i123 %tmp.2
|
|
}
|
|
|
|
define i737 @test4(i737 %x) {
|
|
; x ^ ~x == -1
|
|
%NotX = xor i737 -1, %x
|
|
%B = xor i737 %x, %NotX
|
|
ret i737 %B
|
|
}
|
|
|
|
define i700 @test5(i700 %A) {
|
|
;; (A|B)^B == A & (~B)
|
|
%t1 = or i700 %A, 288230376151711743
|
|
%r = xor i700 %t1, 288230376151711743
|
|
ret i700 %r
|
|
}
|
|
|
|
define i77 @test6(i77 %A) {
|
|
%t1 = xor i77 %A, 23
|
|
%r = xor i77 %t1, 23
|
|
ret i77 %r
|
|
}
|
|
|
|
define i1023 @test7(i1023 %A) {
|
|
;; (A | C1) ^ C2 -> (A | C1) & ~C2 iff (C1&C2) == C2
|
|
%B1 = or i1023 %A, 70368744177663
|
|
%C1 = xor i1023 %B1, 703687463
|
|
ret i1023 %C1
|
|
}
|