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=arch15 | 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: clzg %r2, %r2 15; CHECK-NEXT: br %r14 16 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 false) 17 ret i64 %1 18} 19 20define i64 @f1(i64 %arg) { 21; CHECK-LABEL: f1: 22; CHECK: # %bb.0: 23; CHECK-NEXT: clzg %r2, %r2 24; CHECK-NEXT: br %r14 25 %1 = tail call i64 @llvm.ctlz.i64(i64 %arg, i1 true) 26 ret i64 %1 27} 28 29define i32 @f2(i32 %arg) { 30; CHECK-LABEL: f2: 31; CHECK: # %bb.0: 32; CHECK-NEXT: llgfr %r0, %r2 33; CHECK-NEXT: clzg %r2, %r0 34; CHECK-NEXT: aghi %r2, -32 35; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d 36; CHECK-NEXT: br %r14 37 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 false) 38 ret i32 %1 39} 40 41define i32 @f3(i32 %arg) { 42; CHECK-LABEL: f3: 43; CHECK: # %bb.0: 44; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 45; CHECK-NEXT: sllg %r0, %r2, 32 46; CHECK-NEXT: clzg %r2, %r0 47; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d 48; CHECK-NEXT: br %r14 49 %1 = tail call i32 @llvm.ctlz.i32(i32 %arg, i1 true) 50 ret i32 %1 51} 52 53define i16 @f4(i16 %arg) { 54; CHECK-LABEL: f4: 55; CHECK: # %bb.0: 56; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 57; CHECK-NEXT: llghr %r0, %r2 58; CHECK-NEXT: clzg %r0, %r0 59; CHECK-NEXT: aghi %r0, -32 60; CHECK-NEXT: ahik %r2, %r0, -16 61; CHECK-NEXT: br %r14 62 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 false) 63 ret i16 %1 64} 65 66define i16 @f5(i16 %arg) { 67; CHECK-LABEL: f5: 68; CHECK: # %bb.0: 69; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 70; CHECK-NEXT: sllg %r0, %r2, 48 71; CHECK-NEXT: clzg %r2, %r0 72; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d 73; CHECK-NEXT: br %r14 74 %1 = tail call i16 @llvm.ctlz.i16(i16 %arg, i1 true) 75 ret i16 %1 76} 77 78define i8 @f6(i8 %arg) { 79; CHECK-LABEL: f6: 80; CHECK: # %bb.0: 81; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 82; CHECK-NEXT: llgcr %r0, %r2 83; CHECK-NEXT: clzg %r0, %r0 84; CHECK-NEXT: aghi %r0, -32 85; CHECK-NEXT: ahik %r2, %r0, -24 86; CHECK-NEXT: br %r14 87 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 false) 88 ret i8 %1 89} 90 91define i8 @f7(i8 %arg) { 92; CHECK-LABEL: f7: 93; CHECK: # %bb.0: 94; CHECK-NEXT: # kill: def $r2l killed $r2l def $r2d 95; CHECK-NEXT: sllg %r0, %r2, 56 96; CHECK-NEXT: clzg %r2, %r0 97; CHECK-NEXT: # kill: def $r2l killed $r2l killed $r2d 98; CHECK-NEXT: br %r14 99 %1 = tail call i8 @llvm.ctlz.i8(i8 %arg, i1 true) 100 ret i8 %1 101} 102