1 ; RUN: llc -mcpu=generic -march=x86 < %s | FileCheck %s 2 3 define i64 @test1(i32 %xx, i32 %test) nounwind { 4 %conv = zext i32 %xx to i64 5 %and = and i32 %test, 7 6 %sh_prom = zext i32 %and to i64 7 %shl = shl i64 %conv, %sh_prom 8 ret i64 %shl 9 ; CHECK: test1: 10 ; CHECK: shll %cl, %eax 11 ; CHECK: shrl %edx 12 ; CHECK: xorb $31 13 ; CHECK: shrl %cl, %edx 14 } 15 16 define i64 @test2(i64 %xx, i32 %test) nounwind { 17 %and = and i32 %test, 7 18 %sh_prom = zext i32 %and to i64 19 %shl = shl i64 %xx, %sh_prom 20 ret i64 %shl 21 ; CHECK: test2: 22 ; CHECK: shll %cl, %esi 23 ; CHECK: shrl %edx 24 ; CHECK: xorb $31 25 ; CHECK: shrl %cl, %edx 26 ; CHECK: orl %esi, %edx 27 ; CHECK: shll %cl, %eax 28 } 29 30 define i64 @test3(i64 %xx, i32 %test) nounwind { 31 %and = and i32 %test, 7 32 %sh_prom = zext i32 %and to i64 33 %shr = lshr i64 %xx, %sh_prom 34 ret i64 %shr 35 ; CHECK: test3: 36 ; CHECK: shrl %cl, %esi 37 ; CHECK: leal (%edx,%edx), %eax 38 ; CHECK: xorb $31, %cl 39 ; CHECK: shll %cl, %eax 40 ; CHECK: orl %esi, %eax 41 ; CHECK: shrl %cl, %edx 42 } 43 44 define i64 @test4(i64 %xx, i32 %test) nounwind { 45 %and = and i32 %test, 7 46 %sh_prom = zext i32 %and to i64 47 %shr = ashr i64 %xx, %sh_prom 48 ret i64 %shr 49 ; CHECK: test4: 50 ; CHECK: shrl %cl, %esi 51 ; CHECK: leal (%edx,%edx), %eax 52 ; CHECK: xorb $31, %cl 53 ; CHECK: shll %cl, %eax 54 ; CHECK: orl %esi, %eax 55 ; CHECK: sarl %cl, %edx 56 } 57
