1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -o - %s | FileCheck %s
3 ; Check that selection dag legalization of fcopysign works in cases with
4 ; different modes for the arguments.
5 target triple = "aarch64--"
7 declare fp128 @llvm.copysign.f128(fp128, fp128)
9 @val_float = global float zeroinitializer, align 4
10 @val_double = global double zeroinitializer, align 8
11 @val_fp128 = global fp128 zeroinitializer, align 16
13 define fp128 @copysign0() {
14 ; CHECK-LABEL: copysign0:
15 ; CHECK: // %bb.0: // %entry
16 ; CHECK-NEXT: .cfi_def_cfa_offset 16
17 ; CHECK-NEXT: adrp x8, .LCPI0_0
18 ; CHECK-NEXT: ldr q0, [x8, :lo12:.LCPI0_0]
19 ; CHECK-NEXT: adrp x8, val_double
20 ; CHECK-NEXT: str q0, [sp, #-16]!
21 ; CHECK-NEXT: ldr x8, [x8, :lo12:val_double]
22 ; CHECK-NEXT: ldrb w9, [sp, #15]
23 ; CHECK-NEXT: and x8, x8, #0x8000000000000000
24 ; CHECK-NEXT: lsr x8, x8, #56
25 ; CHECK-NEXT: bfxil w8, w9, #0, #7
26 ; CHECK-NEXT: strb w8, [sp, #15]
27 ; CHECK-NEXT: ldr q0, [sp], #16
30 %v = load double, double* @val_double, align 8
31 %conv = fpext double %v to fp128
32 %call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2
36 define fp128@copysign1() {
37 ; CHECK-LABEL: copysign1:
38 ; CHECK: // %bb.0: // %entry
39 ; CHECK-NEXT: .cfi_def_cfa_offset 16
40 ; CHECK-NEXT: adrp x8, val_fp128
41 ; CHECK-NEXT: ldr q0, [x8, :lo12:val_fp128]
42 ; CHECK-NEXT: adrp x8, val_float
43 ; CHECK-NEXT: str q0, [sp, #-16]!
44 ; CHECK-NEXT: ldr w8, [x8, :lo12:val_float]
45 ; CHECK-NEXT: ldrb w9, [sp, #15]
46 ; CHECK-NEXT: and w8, w8, #0x80000000
47 ; CHECK-NEXT: lsr w8, w8, #24
48 ; CHECK-NEXT: bfxil w8, w9, #0, #7
49 ; CHECK-NEXT: strb w8, [sp, #15]
50 ; CHECK-NEXT: ldr q0, [sp], #16
53 %v0 = load fp128, fp128* @val_fp128, align 16
54 %v1 = load float, float* @val_float, align 4
55 %conv = fpext float %v1 to fp128
56 %call = tail call fp128 @llvm.copysign.f128(fp128 %v0, fp128 %conv)