xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/aarch64-vcvtfp2fxs-combine.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=aarch64-linux-eabi -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker%struct.a= type { i64, i64, i64, i64 }
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker; DAG combine will try to perform a transformation that  creates a vcvtfp2fxs
6*9880d681SAndroid Build Coastguard Worker; with a v4f64 input. Since v4i64 is not legal we should bail out. We can
7*9880d681SAndroid Build Coastguard Worker; pottentially still create the vcvtfp2fxs node after legalization (but on a
8*9880d681SAndroid Build Coastguard Worker; v2f64).
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: fun1
11*9880d681SAndroid Build Coastguard Workerdefine void @fun1() local_unnamed_addr {
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  %mul = fmul <4 x double> zeroinitializer, <double 6.553600e+04, double 6.553600e+04, double 6.553600e+04, double 6.553600e+04>
14*9880d681SAndroid Build Coastguard Worker  %toi = fptosi <4 x double> %mul to <4 x i64>
15*9880d681SAndroid Build Coastguard Worker  %ptr = getelementptr inbounds %struct.a, %struct.a* undef, i64 0, i32 2
16*9880d681SAndroid Build Coastguard Worker  %elem = extractelement <4 x i64> %toi, i32 1
17*9880d681SAndroid Build Coastguard Worker  store i64 %elem, i64* %ptr, align 8
18*9880d681SAndroid Build Coastguard Worker  call void @llvm.trap()
19*9880d681SAndroid Build Coastguard Worker  unreachable
20*9880d681SAndroid Build Coastguard Worker}
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Worker; Function Attrs: noreturn nounwind
23*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.trap()
24*9880d681SAndroid Build Coastguard Worker
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