1 ; RUN: llc < %s -march=ppc32 | grep rotlwi | count 2 2 ; RUN: llc < %s -march=ppc32 | grep clrlwi | count 2 3 ; RUN: llc < %s -march=ppc32 | grep rotlw | count 4 4 ; RUN: llc < %s -march=ppc32 | not grep or 5 6 define i32 @rotl32(i32 %A, i8 %Amt) nounwind { 7 %shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1] 8 %B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1] 9 %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] 10 %shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] 11 %C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1] 12 %D = or i32 %B, %C ; <i32> [#uses=1] 13 ret i32 %D 14 } 15 16 define i32 @rotr32(i32 %A, i8 %Amt) nounwind { 17 %shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1] 18 %B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1] 19 %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] 20 %shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] 21 %C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1] 22 %D = or i32 %B, %C ; <i32> [#uses=1] 23 ret i32 %D 24 } 25 26 define i32 @rotli32(i32 %A) nounwind { 27 %B = shl i32 %A, 5 ; <i32> [#uses=1] 28 %C = lshr i32 %A, 27 ; <i32> [#uses=1] 29 %D = or i32 %B, %C ; <i32> [#uses=1] 30 ret i32 %D 31 } 32 33 define i32 @rotri32(i32 %A) nounwind { 34 %B = lshr i32 %A, 5 ; <i32> [#uses=1] 35 %C = shl i32 %A, 27 ; <i32> [#uses=1] 36 %D = or i32 %B, %C ; <i32> [#uses=1] 37 ret i32 %D 38 } 39 40
