| ; 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: grep rlwimi %t | count 3 |
| ; RUN: grep srwi %t | count 1 |
| ; RUN: not grep slwi %t |
| |
| implementation ; Functions: |
| |
| ushort %test1(uint %srcA, uint %srcB, uint %alpha) { |
| entry: |
| %tmp.1 = shl uint %srcA, ubyte 15 ; <uint> [#uses=1] |
| %tmp.4 = and uint %tmp.1, 32505856 ; <uint> [#uses=1] |
| %tmp.6 = and uint %srcA, 31775 ; <uint> [#uses=1] |
| %tmp.7 = or uint %tmp.4, %tmp.6 ; <uint> [#uses=1] |
| %tmp.9 = shl uint %srcB, ubyte 15 ; <uint> [#uses=1] |
| %tmp.12 = and uint %tmp.9, 32505856 ; <uint> [#uses=1] |
| %tmp.14 = and uint %srcB, 31775 ; <uint> [#uses=1] |
| %tmp.15 = or uint %tmp.12, %tmp.14 ; <uint> [#uses=1] |
| %tmp.18 = mul uint %tmp.7, %alpha ; <uint> [#uses=1] |
| %tmp.20 = sub uint 32, %alpha ; <uint> [#uses=1] |
| %tmp.22 = mul uint %tmp.15, %tmp.20 ; <uint> [#uses=1] |
| %tmp.23 = add uint %tmp.22, %tmp.18 ; <uint> [#uses=2] |
| %tmp.27 = shr uint %tmp.23, ubyte 5 ; <uint> [#uses=1] |
| %tmp.28 = cast uint %tmp.27 to ushort ; <ushort> [#uses=1] |
| %tmp.29 = and ushort %tmp.28, 31775 ; <ushort> [#uses=1] |
| %tmp.33 = shr uint %tmp.23, ubyte 20 ; <uint> [#uses=1] |
| %tmp.34 = cast uint %tmp.33 to ushort ; <ushort> [#uses=1] |
| %tmp.35 = and ushort %tmp.34, 992 ; <ushort> [#uses=1] |
| %tmp.36 = or ushort %tmp.29, %tmp.35 ; <ushort> [#uses=1] |
| ret ushort %tmp.36 |
| } |