1; NOTE: Assertions have been autogenerated by utils/update_llc_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:    movl %edi, %eax
8; X64-NEXT:    sarl $31, %eax
9; X64-NEXT:    retq
10  %sh = lshr i32 %x, 31
11  %neg = sub i32 0, %sh
12  ret i32 %neg
13}
14
15define i64 @neg_ashr_signbit(i64 %x) {
16; X64-LABEL: neg_ashr_signbit:
17; X64:       # %bb.0:
18; X64-NEXT:    movq %rdi, %rax
19; X64-NEXT:    shrq $63, %rax
20; X64-NEXT:    retq
21  %sh = ashr i64 %x, 63
22  %neg = sub i64 0, %sh
23  ret i64 %neg
24}
25
26define <4 x i32> @neg_ashr_signbit_vec(<4 x i32> %x) {
27; X64-LABEL: neg_ashr_signbit_vec:
28; X64:       # %bb.0:
29; X64-NEXT:    psrld $31, %xmm0
30; X64-NEXT:    retq
31  %sh = ashr <4 x i32> %x, <i32 31, i32 31, i32 31, i32 31>
32  %neg = sub <4 x i32> zeroinitializer, %sh
33  ret <4 x i32> %neg
34}
35
36define <8 x i16> @neg_lshr_signbit_vec(<8 x i16> %x) {
37; X64-LABEL: neg_lshr_signbit_vec:
38; X64:       # %bb.0:
39; X64-NEXT:    psraw $15, %xmm0
40; X64-NEXT:    retq
41  %sh = lshr <8 x i16> %x, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15>
42  %neg = sub <8 x i16> zeroinitializer, %sh
43  ret <8 x i16> %neg
44}
45
46