xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/fcopysign.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -o - %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; Check that selection dag legalization of fcopysign works in cases with
3*9880d681SAndroid Build Coastguard Worker; different modes for the arguments.
4*9880d681SAndroid Build Coastguard Workertarget triple = "aarch64--"
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdeclare fp128 @llvm.copysign.f128(fp128, fp128)
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker@val = global double zeroinitializer, align 8
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: copysign0
11*9880d681SAndroid Build Coastguard Worker; CHECK: ldr [[REG:x[0-9]+]], [x8, :lo12:val]
12*9880d681SAndroid Build Coastguard Worker; CHECK: and [[ANDREG:x[0-9]+]], [[REG]], #0x8000000000000000
13*9880d681SAndroid Build Coastguard Worker; CHECK: lsr x[[LSRREGNUM:[0-9]+]], [[ANDREG]], #56
14*9880d681SAndroid Build Coastguard Worker; CHECK: bfxil w[[LSRREGNUM]], w{{[0-9]+}}, #0, #7
15*9880d681SAndroid Build Coastguard Worker; CHECK: strb w[[LSRREGNUM]],
16*9880d681SAndroid Build Coastguard Worker; CHECK: ldr q{{[0-9]+}},
17*9880d681SAndroid Build Coastguard Workerdefine fp128 @copysign0() {
18*9880d681SAndroid Build Coastguard Workerentry:
19*9880d681SAndroid Build Coastguard Worker  %v = load double, double* @val, align 8
20*9880d681SAndroid Build Coastguard Worker  %conv = fpext double %v to fp128
21*9880d681SAndroid Build Coastguard Worker  %call = tail call fp128 @llvm.copysign.f128(fp128 0xL00000000000000007FFF000000000000, fp128 %conv) #2
22*9880d681SAndroid Build Coastguard Worker  ret fp128 %call
23*9880d681SAndroid Build Coastguard Worker}
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