| ; All of these ands and shifts should be folded into rlw[i]nm instructions |
| ; RUN: llvm-as < %s | llc -march=ppc32 | not grep and && |
| ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srawi && |
| ; RUN: llvm-as < %s | llc -march=ppc32 | not grep srwi && |
| ; RUN: llvm-as < %s | llc -march=ppc32 | not grep slwi && |
| ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwnm | wc -l | grep 1 && |
| ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwinm | wc -l | grep 1 |
| |
| |
| implementation ; Functions: |
| |
| uint %test1(uint %X, int %Y) { |
| entry: |
| %tmp = cast int %Y to ubyte ; <ubyte> [#uses=2] |
| %tmp1 = shl uint %X, ubyte %tmp ; <uint> [#uses=1] |
| %tmp2 = sub ubyte 32, %tmp ; <ubyte> [#uses=1] |
| %tmp3 = shr uint %X, ubyte %tmp2 ; <uint> [#uses=1] |
| %tmp4 = or uint %tmp1, %tmp3 ; <uint> [#uses=1] |
| %tmp6 = and uint %tmp4, 127 ; <uint> [#uses=1] |
| ret uint %tmp6 |
| } |
| |
| uint %test2(uint %X) { |
| entry: |
| %tmp1 = shr uint %X, ubyte 27 ; <uint> [#uses=1] |
| %tmp2 = shl uint %X, ubyte 5 ; <uint> [#uses=1] |
| %tmp2.masked = and uint %tmp2, 96 ; <uint> [#uses=1] |
| %tmp5 = or uint %tmp1, %tmp2.masked ; <uint> [#uses=1] |
| ret uint %tmp5 |
| } |