| ; 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 |
| } |
| |