| ; All of these ands and shifts should be folded into rlwimi's |
| ; RUN: llc < %s -march=ppc32 -o %t |
| ; 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 |
| |
| define i32 @test1(i32 %a) { |
| entry: |
| %tmp.1 = and i32 %a, 268431360 ; <i32> [#uses=1] |
| ret i32 %tmp.1 |
| } |
| |
| define i32 @test2(i32 %a) { |
| entry: |
| %tmp.1 = and i32 %a, -268435441 ; <i32> [#uses=1] |
| ret i32 %tmp.1 |
| } |
| |
| define i32 @test3(i32 %a) { |
| entry: |
| %tmp.2 = ashr i32 %a, 8 ; <i32> [#uses=1] |
| %tmp.3 = and i32 %tmp.2, 255 ; <i32> [#uses=1] |
| ret i32 %tmp.3 |
| } |
| |
| define i32 @test4(i32 %a) { |
| entry: |
| %tmp.3 = lshr i32 %a, 8 ; <i32> [#uses=1] |
| %tmp.4 = and i32 %tmp.3, 255 ; <i32> [#uses=1] |
| ret i32 %tmp.4 |
| } |
| |
| define i32 @test5(i32 %a) { |
| entry: |
| %tmp.2 = shl i32 %a, 8 ; <i32> [#uses=1] |
| %tmp.3 = and i32 %tmp.2, -8388608 ; <i32> [#uses=1] |
| ret i32 %tmp.3 |
| } |
| |
| define i32 @test6(i32 %a) { |
| entry: |
| %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1] |
| %tmp.2 = ashr i32 %tmp.1, 8 ; <i32> [#uses=1] |
| ret i32 %tmp.2 |
| } |
| |
| define i32 @test7(i32 %a) { |
| entry: |
| %tmp.1 = and i32 %a, 65280 ; <i32> [#uses=1] |
| %tmp.2 = lshr i32 %tmp.1, 8 ; <i32> [#uses=1] |
| ret i32 %tmp.2 |
| } |
| |
| define i32 @test8(i32 %a) { |
| entry: |
| %tmp.1 = and i32 %a, 16711680 ; <i32> [#uses=1] |
| %tmp.2 = shl i32 %tmp.1, 8 ; <i32> [#uses=1] |
| ret i32 %tmp.2 |
| } |