| ; All of these ands and shifts should be folded into rlwimi's |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=ppc32-- -o %t |
| ; RUN: grep rlwimi %t | count 4 |
| ; RUN: not grep srwi %t |
| ; RUN: not grep slwi %t |
| |
| define i16 @test1(i32 %srcA, i32 %srcB, i32 %alpha) nounwind { |
| entry: |
| %tmp.1 = shl i32 %srcA, 15 ; <i32> [#uses=1] |
| %tmp.4 = and i32 %tmp.1, 32505856 ; <i32> [#uses=1] |
| %tmp.6 = and i32 %srcA, 31775 ; <i32> [#uses=1] |
| %tmp.7 = or i32 %tmp.4, %tmp.6 ; <i32> [#uses=1] |
| %tmp.9 = shl i32 %srcB, 15 ; <i32> [#uses=1] |
| %tmp.12 = and i32 %tmp.9, 32505856 ; <i32> [#uses=1] |
| %tmp.14 = and i32 %srcB, 31775 ; <i32> [#uses=1] |
| %tmp.15 = or i32 %tmp.12, %tmp.14 ; <i32> [#uses=1] |
| %tmp.18 = mul i32 %tmp.7, %alpha ; <i32> [#uses=1] |
| %tmp.20 = sub i32 32, %alpha ; <i32> [#uses=1] |
| %tmp.22 = mul i32 %tmp.15, %tmp.20 ; <i32> [#uses=1] |
| %tmp.23 = add i32 %tmp.22, %tmp.18 ; <i32> [#uses=2] |
| %tmp.27 = lshr i32 %tmp.23, 5 ; <i32> [#uses=1] |
| %tmp.28 = trunc i32 %tmp.27 to i16 ; <i16> [#uses=1] |
| %tmp.29 = and i16 %tmp.28, 31775 ; <i16> [#uses=1] |
| %tmp.33 = lshr i32 %tmp.23, 20 ; <i32> [#uses=1] |
| %tmp.34 = trunc i32 %tmp.33 to i16 ; <i16> [#uses=1] |
| %tmp.35 = and i16 %tmp.34, 992 ; <i16> [#uses=1] |
| %tmp.36 = or i16 %tmp.29, %tmp.35 ; <i16> [#uses=1] |
| ret i16 %tmp.36 |
| } |
