; RUN: llc < %s -march=x86-64 -mattr=+lzcnt | FileCheck %s
-define i32 @t1(i32 %x) nounwind {
- %tmp = tail call i32 @llvm.ctlz.i32( i32 %x, i1 false )
- ret i32 %tmp
+declare i8 @llvm.ctlz.i8(i8, i1) nounwind readnone
+declare i16 @llvm.ctlz.i16(i16, i1) nounwind readnone
+declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
+declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
+
+define i8 @t1(i8 %x) nounwind {
+ %tmp = tail call i8 @llvm.ctlz.i8( i8 %x, i1 false )
+ ret i8 %tmp
; CHECK: t1:
-; CHECK: lzcntl
+; CHECK: lzcntw
}
-declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
-
define i16 @t2(i16 %x) nounwind {
%tmp = tail call i16 @llvm.ctlz.i16( i16 %x, i1 false )
ret i16 %tmp
; CHECK: lzcntw
}
-declare i16 @llvm.ctlz.i16(i16, i1) nounwind readnone
-
-define i64 @t3(i64 %x) nounwind {
- %tmp = tail call i64 @llvm.ctlz.i64( i64 %x, i1 false )
- ret i64 %tmp
+define i32 @t3(i32 %x) nounwind {
+ %tmp = tail call i32 @llvm.ctlz.i32( i32 %x, i1 false )
+ ret i32 %tmp
; CHECK: t3:
-; CHECK: lzcntq
+; CHECK: lzcntl
}
-declare i64 @llvm.ctlz.i64(i64, i1) nounwind readnone
-
-define i8 @t4(i8 %x) nounwind {
- %tmp = tail call i8 @llvm.ctlz.i8( i8 %x, i1 false )
- ret i8 %tmp
+define i64 @t4(i64 %x) nounwind {
+ %tmp = tail call i64 @llvm.ctlz.i64( i64 %x, i1 false )
+ ret i64 %tmp
; CHECK: t4:
-; CHECK: lzcntw
+; CHECK: lzcntq
}
-
-declare i8 @llvm.ctlz.i8(i8, i1) nounwind readnone
-