1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s 3; 4; FIXME: two consecutive immediate adds not fused in i16/i8 functions. 5 6declare i64 @llvm.ctlz.i64(i64, i1) 7declare i32 @llvm.ctlz.i32(i32, i1) 8declare i16 @llvm.ctlz.i16(i16, i1) 9declare i8 @llvm.ctlz.i8(i8, i1) 10 11define i64 @f0(i64 %arg) { 12; CHECK-LABEL: f0: 13; CHECK: # %bb.0: 14; CHECK-NEXT: flogr %r2, %r2 15; CHECK-NEXT: # kill: def $r2d killed $r2d killed $r2q 16; CHECK-NEXT: br %r14 17 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false) 18 ret i64 %1 19} 20 21define i64 @f1(i64 %arg) { 22; CHECK-LABEL: f1: 23; CHECK: # %bb.0: 24; CHECK-NEXT: flogr %r2, %r2 25; CHECK-NEXT: # kill: def $r2d killed $r2d killed $r2q 26; CHECK-NEXT: br %r14 27 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true) 28 ret i64 %1 29} 30 31define i32 @f2(i32 %arg) { 32; CHECK-LABEL: f2: 33; CHECK: # %bb.0: 34; CHECK-NEXT: llgfr %r0, %r2 35; CHECK-NEXT: flogr %r2, %r0 36; CHECK-NEXT: aghi %r2, -32 37; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d 38; CHECK-NEXT: br %r14 39 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false) 40 ret i32 %1 41} 42 43define i32 @f3(i32 %arg) { 44; CHECK-LABEL: f3: 45; CHECK: # %bb.0: 46; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 47; CHECK-NEXT: sllg %r0, %r2, 32 48; CHECK-NEXT: flogr %r2, %r0 49; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2q 50; CHECK-NEXT: br %r14 51 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true) 52 ret i32 %1 53} 54 55define i16 @f4(i16 %arg) { 56; CHECK-LABEL: f4: 57; CHECK: # %bb.0: 58; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 59; CHECK-NEXT: llghr %r0, %r2 60; CHECK-NEXT: flogr %r0, %r0 61; CHECK-NEXT: aghi %r0, -32 62; CHECK-NEXT: ahik %r2, %r0, -16 63; CHECK-NEXT: br %r14 64 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false) 65 ret i16 %1 66} 67 68define i16 @f5(i16 %arg) { 69; CHECK-LABEL: f5: 70; CHECK: # %bb.0: 71; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 72; CHECK-NEXT: sllg %r0, %r2, 48 73; CHECK-NEXT: flogr %r2, %r0 74; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2q 75; CHECK-NEXT: br %r14 76 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true) 77 ret i16 %1 78} 79 80define i8 @f6(i8 %arg) { 81; CHECK-LABEL: f6: 82; CHECK: # %bb.0: 83; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 84; CHECK-NEXT: llgcr %r0, %r2 85; CHECK-NEXT: flogr %r0, %r0 86; CHECK-NEXT: aghi %r0, -32 87; CHECK-NEXT: ahik %r2, %r0, -24 88; CHECK-NEXT: br %r14 89 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false) 90 ret i8 %1 91} 92 93define i8 @f7(i8 %arg) { 94; CHECK-LABEL: f7: 95; CHECK: # %bb.0: 96; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 97; CHECK-NEXT: sllg %r0, %r2, 56 98; CHECK-NEXT: flogr %r2, %r0 99; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2q 100; CHECK-NEXT: br %r14 101 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true) 102 ret i8 %1 103} 104