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
|
; RUN: llc -mtriple=armv7 < %s | FileCheck %s --check-prefix=CHECK-ARM --check-prefix=CHECK
; RUN: llc -mtriple=thumbv7 < %s | FileCheck %s --check-prefix=CHECK-THUMB --check-prefix=CHECK
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "armv7--"
define double @f(double %a) {
; CHECK-LABEL: f:
; CHECK: bfc r1, #31, #1
; CHECK-NEXT: bx lr
%x = call double @llvm.fabs.f64(double %a) readnone
ret double %x
}
define float @g(float %a) {
; CHECK-LABEL: g:
; CHECK: bic r0, r0, #-2147483648
; CHECK-NEXT: bx lr
%x = call float @llvm.fabs.f32(float %a) readnone
ret float %x
}
define double @h(double %a) {
; CHECK-LABEL: h:
; CHECK: eor r1, r1, #-2147483648
; CHECK-NEXT: bx lr
%x = fsub nsz double -0.0, %a
ret double %x
}
define float @i(float %a) {
; CHECK-LABEL: i:
; CHECK: eor r0, r0, #-2147483648
; CHECK-NEXT: bx lr
%x = fsub nsz float -0.0, %a
ret float %x
}
declare double @llvm.fabs.f64(double) readnone
declare float @llvm.fabs.f32(float) readnone
|
