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
52
53
54
55
56
57
58
| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -o - %s | FileCheck %s
; Check that selection dag legalization of fcopysign works in cases with
; different modes for the arguments.
target triple = "aarch64--"
declare fp128 @llvm.copysign.f128(fp128, fp128)
@val_float = global float zeroinitializer, align 4
@val_double = global double zeroinitializer, align 8
@val_fp128 = global fp128 zeroinitializer, align 16
define fp128 @copysign0() {
; CHECK-LABEL: copysign0:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: adrp x8, .LCPI0_0
; CHECK-NEXT: ldr q0, [x8, :lo12:.LCPI0_0]
; CHECK-NEXT: adrp x8, val_double
; CHECK-NEXT: str q0, [sp, #-16]!
; CHECK-NEXT: ldr x8, [x8, :lo12:val_double]
; CHECK-NEXT: ldrb w9, [sp, #15]
; CHECK-NEXT: and x8, x8, #0x8000000000000000
; CHECK-NEXT: lsr x8, x8, #56
; CHECK-NEXT: bfxil w8, w9, #0, #7
; CHECK-NEXT: strb w8, [sp, #15]
; CHECK-NEXT: ldr q0, [sp], #16
; CHECK-NEXT: ret
entry:
%v = load double, double* @val_double, align 8
%conv = fpext double %v to fp128
%call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2
ret fp128 %call
}
define fp128@copysign1() {
; CHECK-LABEL: copysign1:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: adrp x8, val_fp128
; CHECK-NEXT: ldr q0, [x8, :lo12:val_fp128]
; CHECK-NEXT: adrp x8, val_float
; CHECK-NEXT: str q0, [sp, #-16]!
; CHECK-NEXT: ldr w8, [x8, :lo12:val_float]
; CHECK-NEXT: ldrb w9, [sp, #15]
; CHECK-NEXT: and w8, w8, #0x80000000
; CHECK-NEXT: lsr w8, w8, #24
; CHECK-NEXT: bfxil w8, w9, #0, #7
; CHECK-NEXT: strb w8, [sp, #15]
; CHECK-NEXT: ldr q0, [sp], #16
; CHECK-NEXT: ret
entry:
%v0 = load fp128, fp128* @val_fp128, align 16
%v1 = load float, float* @val_float, align 4
%conv = fpext float %v1 to fp128
%call = tail call fp128 @llvm.copysign.f128(fp128 %v0, fp128 %conv)
ret fp128 %call
}
|