1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
3
4define i32 @neg_lshr_signbit(i32 %x) {
5; X64-LABEL: neg_lshr_signbit:
6; X64:       # BB#0:
7; X64-NEXT:    sarl $31, %edi
8; X64-NEXT:    movl %edi, %eax
9; X64-NEXT:    retq
10;
11  %sh = lshr i32 %x, 31
12  %neg = sub i32 0, %sh
13  ret i32 %neg
14}
15
16define i64 @neg_ashr_signbit(i64 %x) {
17; X64-LABEL: neg_ashr_signbit:
18; X64:       # BB#0:
19; X64-NEXT:    shrq $63, %rdi
20; X64-NEXT:    movq %rdi, %rax
21; X64-NEXT:    retq
22;
23  %sh = ashr i64 %x, 63
24  %neg = sub i64 0, %sh
25  ret i64 %neg
26}
27
28define <4 x i32> @neg_ashr_signbit_vec(<4 x i32> %x) {
29; X64-LABEL: neg_ashr_signbit_vec:
30; X64:       # BB#0:
31; X64-NEXT:    psrld $31, %xmm0
32; X64-NEXT:    retq
33;
34  %sh = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31>
35  %neg = sub <4 x i32> zeroinitializer, %sh
36  ret <4 x i32> %neg
37}
38
39define <8 x i16> @neg_lshr_signbit_vec(<8 x i16> %x) {
40; X64-LABEL: neg_lshr_signbit_vec:
41; X64:       # BB#0:
42; X64-NEXT:    psraw $15, %xmm0
43; X64-NEXT:    retq
44;
45  %sh = lshr <8 x i16> %x, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15>
46  %neg = sub <8 x i16> zeroinitializer, %sh
47  ret <8 x i16> %neg
48}
49
50