| ; 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 |
| } |