llvm-6502/test/CodeGen/PowerPC/rlwinm.ll
2007-08-15 13:36:28 +00:00

65 lines
1.6 KiB
LLVM

; All of these ands and shifts should be folded into rlwimi's
; RUN: llvm-upgrade < %s | llvm-as | llc -march=ppc32 -o %t -f
; RUN: not grep and %t
; RUN: not grep srawi %t
; RUN: not grep srwi %t
; RUN: not grep slwi %t
; RUN: grep rlwinm %t | count 8
implementation ; Functions:
int %test1(int %a) {
entry:
%tmp.1 = and int %a, 268431360 ; <int> [#uses=1]
ret int %tmp.1
}
int %test2(int %a) {
entry:
%tmp.1 = and int %a, -268435441 ; <int> [#uses=1]
ret int %tmp.1
}
int %test3(int %a) {
entry:
%tmp.2 = shr int %a, ubyte 8 ; <int> [#uses=1]
%tmp.3 = and int %tmp.2, 255 ; <int> [#uses=1]
ret int %tmp.3
}
uint %test4(uint %a) {
entry:
%tmp.3 = shr uint %a, ubyte 8 ; <uint> [#uses=1]
%tmp.4 = and uint %tmp.3, 255 ; <uint> [#uses=1]
ret uint %tmp.4
}
int %test5(int %a) {
entry:
%tmp.2 = shl int %a, ubyte 8 ; <int> [#uses=1]
%tmp.3 = and int %tmp.2, -8388608 ; <int> [#uses=1]
ret int %tmp.3
}
int %test6(int %a) {
entry:
%tmp.1 = and int %a, 65280 ; <int> [#uses=1]
%tmp.2 = shr int %tmp.1, ubyte 8 ; <uint> [#uses=1]
ret int %tmp.2
}
uint %test7(uint %a) {
entry:
%tmp.1 = and uint %a, 65280 ; <uint> [#uses=1]
%tmp.2 = shr uint %tmp.1, ubyte 8 ; <uint> [#uses=1]
ret uint %tmp.2
}
int %test8(int %a) {
entry:
%tmp.1 = and int %a, 16711680 ; <int> [#uses=1]
%tmp.2 = shl int %tmp.1, ubyte 8 ; <int> [#uses=1]
ret int %tmp.2
}