1 ; RUN: llc -o - %s | FileCheck %s 2 ; Check that selection dag legalization of fcopysign works in cases with 3 ; different modes for the arguments. 4 target triple = "aarch64--" 5 6 declare fp128 @llvm.copysign.f128(fp128, fp128) 7 8 @val = global double zeroinitializer, align 8 9 10 ; CHECK-LABEL: copysign0 11 ; CHECK: ldr [[REG:x[0-9]+]], [x8, :lo12:val] 12 ; CHECK: and [[ANDREG:x[0-9]+]], [[REG]], #0x8000000000000000 13 ; CHECK: lsr x[[LSRREGNUM:[0-9]+]], [[ANDREG]], #56 14 ; CHECK: bfxil w[[LSRREGNUM]], w{{[0-9]+}}, #0, #7 15 ; CHECK: strb w[[LSRREGNUM]], 16 ; CHECK: ldr q{{[0-9]+}}, 17 define fp128 @copysign0() { 18 entry: 19 %v = load double, double* @val, align 8 20 %conv = fpext double %v to fp128 21 %call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2 22 ret fp128 %call 23 } 24
