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