1; Test three-operand shifts. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 4 5; Check that we use SLLK over SLL where useful. 6define i32 @f1(i32 %a, i32 %b, i32 %amt) { 7; CHECK-LABEL: f1: 8; CHECK: sllk %r2, %r3, 15(%r4) 9; CHECK: br %r14 10 %add = add i32 %amt, 15 11 %shift = shl i32 %b, %add 12 ret i32 %shift 13} 14 15; Check that we use SLL over SLLK where possible. 16define i32 @f2(i32 %a, i32 %amt) { 17; CHECK-LABEL: f2: 18; CHECK: sll %r2, 15(%r3) 19; CHECK: br %r14 20 %add = add i32 %amt, 15 21 %shift = shl i32 %a, %add 22 ret i32 %shift 23} 24 25; Check that we use SRLK over SRL where useful. 26define i32 @f3(i32 %a, i32 %b, i32 %amt) { 27; CHECK-LABEL: f3: 28; CHECK: srlk %r2, %r3, 15(%r4) 29; CHECK: br %r14 30 %add = add i32 %amt, 15 31 %shift = lshr i32 %b, %add 32 ret i32 %shift 33} 34 35; Check that we use SRL over SRLK where possible. 36define i32 @f4(i32 %a, i32 %amt) { 37; CHECK-LABEL: f4: 38; CHECK: srl %r2, 15(%r3) 39; CHECK: br %r14 40 %add = add i32 %amt, 15 41 %shift = lshr i32 %a, %add 42 ret i32 %shift 43} 44 45; Check that we use SRAK over SRA where useful. 46define i32 @f5(i32 %a, i32 %b, i32 %amt) { 47; CHECK-LABEL: f5: 48; CHECK: srak %r2, %r3, 15(%r4) 49; CHECK: br %r14 50 %add = add i32 %amt, 15 51 %shift = ashr i32 %b, %add 52 ret i32 %shift 53} 54 55; Check that we use SRA over SRAK where possible. 56define i32 @f6(i32 %a, i32 %amt) { 57; CHECK-LABEL: f6: 58; CHECK: sra %r2, 15(%r3) 59; CHECK: br %r14 60 %add = add i32 %amt, 15 61 %shift = ashr i32 %a, %add 62 ret i32 %shift 63} 64