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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 22; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z17 | FileCheck %s3;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: clzg %r2, %r215; CHECK-NEXT: br %r1416 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false)17 ret i64 %118}19 20define i64 @f1(i64 %arg) {21; CHECK-LABEL: f1:22; CHECK: # %bb.0:23; CHECK-NEXT: clzg %r2, %r224; CHECK-NEXT: br %r1425 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true)26 ret i64 %127}28 29define i32 @f2(i32 %arg) {30; CHECK-LABEL: f2:31; CHECK: # %bb.0:32; CHECK-NEXT: llgfr %r0, %r233; CHECK-NEXT: clzg %r2, %r034; CHECK-NEXT: aghi %r2, -3235; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d36; CHECK-NEXT: br %r1437 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false)38 ret i32 %139}40 41define i32 @f3(i32 %arg) {42; CHECK-LABEL: f3:43; CHECK: # %bb.0:44; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d45; CHECK-NEXT: sllg %r0, %r2, 3246; CHECK-NEXT: clzg %r2, %r047; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d48; CHECK-NEXT: br %r1449 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true)50 ret i32 %151}52 53define i16 @f4(i16 %arg) {54; CHECK-LABEL: f4:55; CHECK: # %bb.0:56; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d57; CHECK-NEXT: llghr %r0, %r258; CHECK-NEXT: clzg %r0, %r059; CHECK-NEXT: aghi %r0, -3260; CHECK-NEXT: ahik %r2, %r0, -1661; CHECK-NEXT: br %r1462 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false)63 ret i16 %164}65 66define i16 @f5(i16 %arg) {67; CHECK-LABEL: f5:68; CHECK: # %bb.0:69; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d70; CHECK-NEXT: sllg %r0, %r2, 4871; CHECK-NEXT: clzg %r2, %r072; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d73; CHECK-NEXT: br %r1474 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true)75 ret i16 %176}77 78define i8 @f6(i8 %arg) {79; CHECK-LABEL: f6:80; CHECK: # %bb.0:81; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d82; CHECK-NEXT: llgcr %r0, %r283; CHECK-NEXT: clzg %r0, %r084; CHECK-NEXT: aghi %r0, -3285; CHECK-NEXT: ahik %r2, %r0, -2486; CHECK-NEXT: br %r1487 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false)88 ret i8 %189}90 91define i8 @f7(i8 %arg) {92; CHECK-LABEL: f7:93; CHECK: # %bb.0:94; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d95; CHECK-NEXT: sllg %r0, %r2, 5696; CHECK-NEXT: clzg %r2, %r097; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d98; CHECK-NEXT: br %r1499 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true)100 ret i8 %1101}102