1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=x86-64 -mattr=+lzcnt | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdeclare i8 @llvm.ctlz.i8(i8, i1) nounwind readnone 4*9880d681SAndroid Build Coastguard Workerdeclare i16 @llvm.ctlz.i16(i16, i1) nounwind readnone 5*9880d681SAndroid Build Coastguard Workerdeclare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone 6*9880d681SAndroid Build Coastguard Workerdeclare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i8 @t1(i8 %x) nounwind { 9*9880d681SAndroid Build Coastguard Worker %tmp = tail call i8 @llvm.ctlz.i8( i8 %x, i1 false ) 10*9880d681SAndroid Build Coastguard Worker ret i8 %tmp 11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t1: 12*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntl 13*9880d681SAndroid Build Coastguard Worker} 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerdefine i16 @t2(i16 %x) nounwind { 16*9880d681SAndroid Build Coastguard Worker %tmp = tail call i16 @llvm.ctlz.i16( i16 %x, i1 false ) 17*9880d681SAndroid Build Coastguard Worker ret i16 %tmp 18*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t2: 19*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntw 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdefine i32 @t3(i32 %x) nounwind { 23*9880d681SAndroid Build Coastguard Worker %tmp = tail call i32 @llvm.ctlz.i32( i32 %x, i1 false ) 24*9880d681SAndroid Build Coastguard Worker ret i32 %tmp 25*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t3: 26*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntl 27*9880d681SAndroid Build Coastguard Worker} 28*9880d681SAndroid Build Coastguard Worker 29*9880d681SAndroid Build Coastguard Workerdefine i64 @t4(i64 %x) nounwind { 30*9880d681SAndroid Build Coastguard Worker %tmp = tail call i64 @llvm.ctlz.i64( i64 %x, i1 false ) 31*9880d681SAndroid Build Coastguard Worker ret i64 %tmp 32*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t4: 33*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntq 34*9880d681SAndroid Build Coastguard Worker} 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerdefine i8 @t5(i8 %x) nounwind { 37*9880d681SAndroid Build Coastguard Worker %tmp = tail call i8 @llvm.ctlz.i8( i8 %x, i1 true ) 38*9880d681SAndroid Build Coastguard Worker ret i8 %tmp 39*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t5: 40*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntl 41*9880d681SAndroid Build Coastguard Worker} 42*9880d681SAndroid Build Coastguard Worker 43*9880d681SAndroid Build Coastguard Workerdefine i16 @t6(i16 %x) nounwind { 44*9880d681SAndroid Build Coastguard Worker %tmp = tail call i16 @llvm.ctlz.i16( i16 %x, i1 true ) 45*9880d681SAndroid Build Coastguard Worker ret i16 %tmp 46*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t6: 47*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntw 48*9880d681SAndroid Build Coastguard Worker} 49*9880d681SAndroid Build Coastguard Worker 50*9880d681SAndroid Build Coastguard Workerdefine i32 @t7(i32 %x) nounwind { 51*9880d681SAndroid Build Coastguard Worker %tmp = tail call i32 @llvm.ctlz.i32( i32 %x, i1 true ) 52*9880d681SAndroid Build Coastguard Worker ret i32 %tmp 53*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t7: 54*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntl 55*9880d681SAndroid Build Coastguard Worker} 56*9880d681SAndroid Build Coastguard Worker 57*9880d681SAndroid Build Coastguard Workerdefine i64 @t8(i64 %x) nounwind { 58*9880d681SAndroid Build Coastguard Worker %tmp = tail call i64 @llvm.ctlz.i64( i64 %x, i1 true ) 59*9880d681SAndroid Build Coastguard Worker ret i64 %tmp 60*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t8: 61*9880d681SAndroid Build Coastguard Worker; CHECK: lzcntq 62*9880d681SAndroid Build Coastguard Worker} 63