1 ; RUN: llc < %s -march=x86 -x86-asm-syntax=intel | \ 2 ; RUN: grep "sh[lr]d" | count 5 3 4 define i64 @test1(i64 %X, i8 %C) { 5 %shift.upgrd.1 = zext i8 %C to i64 ; <i64> [#uses=1] 6 %Y = shl i64 %X, %shift.upgrd.1 ; <i64> [#uses=1] 7 ret i64 %Y 8 } 9 10 define i64 @test2(i64 %X, i8 %C) { 11 %shift.upgrd.2 = zext i8 %C to i64 ; <i64> [#uses=1] 12 %Y = ashr i64 %X, %shift.upgrd.2 ; <i64> [#uses=1] 13 ret i64 %Y 14 } 15 16 define i64 @test3(i64 %X, i8 %C) { 17 %shift.upgrd.3 = zext i8 %C to i64 ; <i64> [#uses=1] 18 %Y = lshr i64 %X, %shift.upgrd.3 ; <i64> [#uses=1] 19 ret i64 %Y 20 } 21 22 define i32 @test4(i32 %A, i32 %B, i8 %C) { 23 %shift.upgrd.4 = zext i8 %C to i32 ; <i32> [#uses=1] 24 %X = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1] 25 %Cv = sub i8 32, %C ; <i8> [#uses=1] 26 %shift.upgrd.5 = zext i8 %Cv to i32 ; <i32> [#uses=1] 27 %Y = lshr i32 %B, %shift.upgrd.5 ; <i32> [#uses=1] 28 %Z = or i32 %Y, %X ; <i32> [#uses=1] 29 ret i32 %Z 30 } 31 32 define i16 @test5(i16 %A, i16 %B, i8 %C) { 33 %shift.upgrd.6 = zext i8 %C to i16 ; <i16> [#uses=1] 34 %X = shl i16 %A, %shift.upgrd.6 ; <i16> [#uses=1] 35 %Cv = sub i8 16, %C ; <i8> [#uses=1] 36 %shift.upgrd.7 = zext i8 %Cv to i16 ; <i16> [#uses=1] 37 %Y = lshr i16 %B, %shift.upgrd.7 ; <i16> [#uses=1] 38 %Z = or i16 %Y, %X ; <i16> [#uses=1] 39 ret i16 %Z 40 } 41 42
