1 ; RUN: llc < %s -march=ppc32 | grep rlwimi 2 ; RUN: llc < %s -march=ppc32 | not grep "or " 3 4 ; Make sure there is no register-register copies here. 5 6 define void @test1(i32* %A, i32* %B, i32* %D, i32* %E) { 7 %A.upgrd.1 = load i32* %A ; <i32> [#uses=2] 8 %B.upgrd.2 = load i32* %B ; <i32> [#uses=1] 9 %X = and i32 %A.upgrd.1, 15 ; <i32> [#uses=1] 10 %Y = and i32 %B.upgrd.2, -16 ; <i32> [#uses=1] 11 %Z = or i32 %X, %Y ; <i32> [#uses=1] 12 store i32 %Z, i32* %D 13 store i32 %A.upgrd.1, i32* %E 14 ret void 15 } 16 17 define void @test2(i32* %A, i32* %B, i32* %D, i32* %E) { 18 %A.upgrd.3 = load i32* %A ; <i32> [#uses=1] 19 %B.upgrd.4 = load i32* %B ; <i32> [#uses=2] 20 %X = and i32 %A.upgrd.3, 15 ; <i32> [#uses=1] 21 %Y = and i32 %B.upgrd.4, -16 ; <i32> [#uses=1] 22 %Z = or i32 %X, %Y ; <i32> [#uses=1] 23 store i32 %Z, i32* %D 24 store i32 %B.upgrd.4, i32* %E 25 ret void 26 } 27 28 define i32 @test3(i32 %a, i32 %b) { 29 %tmp.1 = and i32 %a, 15 ; <i32> [#uses=1] 30 %tmp.3 = and i32 %b, 240 ; <i32> [#uses=1] 31 %tmp.4 = or i32 %tmp.3, %tmp.1 ; <i32> [#uses=1] 32 ret i32 %tmp.4 33 } 34 35
