cttz.ll
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; RUN: llc < %s -mtriple=ve-unknown-unknown | FileCheck %s
define i64 @func1(i64 %p) {
; CHECK-LABEL: func1:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: lea %s1, -1(, %s0)
; CHECK-NEXT: nnd %s0, %s0, %s1
; CHECK-NEXT: pcnt %s0, %s0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i64 @llvm.cttz.i64(i64 %p, i1 true)
ret i64 %r
}
declare i64 @llvm.cttz.i64(i64, i1)
define i32 @func2(i32 %p) {
; CHECK-LABEL: func2:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: adds.w.sx %s1, -1, %s0
; CHECK-NEXT: xor %s0, -1, %s0
; CHECK-NEXT: and %s0, %s0, %s1
; CHECK-NEXT: and %s0, %s0, (32)0
; CHECK-NEXT: pcnt %s0, %s0
; CHECK-NEXT: # kill: def $sw0 killed $sw0 killed $sx0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i32 @llvm.cttz.i32(i32 %p, i1 true)
ret i32 %r
}
declare i32 @llvm.cttz.i32(i32, i1)
define i16 @func3(i16 %p) {
; CHECK-LABEL: func3:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: adds.w.sx %s1, -1, %s0
; CHECK-NEXT: xor %s0, -1, %s0
; CHECK-NEXT: and %s0, %s0, %s1
; CHECK-NEXT: and %s0, %s0, (32)0
; CHECK-NEXT: pcnt %s0, %s0
; CHECK-NEXT: # kill: def $sw0 killed $sw0 killed $sx0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i16 @llvm.cttz.i16(i16 %p, i1 true)
ret i16 %r
}
declare i16 @llvm.cttz.i16(i16, i1)
define i8 @func4(i8 %p) {
; CHECK-LABEL: func4:
; CHECK: .LBB{{[0-9]+}}_2:
; CHECK-NEXT: adds.w.sx %s1, -1, %s0
; CHECK-NEXT: xor %s0, -1, %s0
; CHECK-NEXT: and %s0, %s0, %s1
; CHECK-NEXT: and %s0, %s0, (32)0
; CHECK-NEXT: pcnt %s0, %s0
; CHECK-NEXT: # kill: def $sw0 killed $sw0 killed $sx0
; CHECK-NEXT: or %s11, 0, %s9
%r = tail call i8 @llvm.cttz.i8(i8 %p, i1 true)
ret i8 %r
}
declare i8 @llvm.cttz.i8(i8, i1)