fabs.ll
1.53 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 | FileCheck %s --check-prefix=X87
; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=-sse,-sse2,-sse3 -enable-unsafe-fp-math -enable-no-nans-fp-math | FileCheck %s --check-prefix=X87UNSAFE
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
declare float @fabsf(float)
declare x86_fp80 @fabsl(x86_fp80)
define float @test1(float %X) {
; X87-LABEL: test1:
; X87: # %bb.0:
; X87-NEXT: flds {{[0-9]+}}(%esp)
; X87-NEXT: fabs
; X87-NEXT: retl
;
; X87UNSAFE-LABEL: test1:
; X87UNSAFE: # %bb.0:
; X87UNSAFE-NEXT: flds {{[0-9]+}}(%esp)
; X87UNSAFE-NEXT: fabs
; X87UNSAFE-NEXT: retl
;
; X64-LABEL: test1:
; X64: # %bb.0:
; X64-NEXT: andps {{.*}}(%rip), %xmm0
; X64-NEXT: retq
%Y = call float @fabsf(float %X) readnone
ret float %Y
}
define x86_fp80 @test2(x86_fp80 %X) {
; X87-LABEL: test2:
; X87: # %bb.0:
; X87-NEXT: fldt {{[0-9]+}}(%esp)
; X87-NEXT: fabs
; X87-NEXT: retl
;
; X87UNSAFE-LABEL: test2:
; X87UNSAFE: # %bb.0:
; X87UNSAFE-NEXT: fldt {{[0-9]+}}(%esp)
; X87UNSAFE-NEXT: fabs
; X87UNSAFE-NEXT: retl
;
; X64-LABEL: test2:
; X64: # %bb.0:
; X64-NEXT: fldt {{[0-9]+}}(%rsp)
; X64-NEXT: fabs
; X64-NEXT: retq
%Y = call x86_fp80 @fabsl(x86_fp80 %X) readnone
ret x86_fp80 %Y
}