xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/msa/llvm-stress-s2090927243-simplified.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips < %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mips -mattr=+msa,+fp64 < %s
3*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mipsel < %s
4*9880d681SAndroid Build Coastguard Worker; RUN: llc -march=mipsel -mattr=+msa,+fp64 < %s
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; This test originally failed for MSA with a "Cannot select ..." error.
7*9880d681SAndroid Build Coastguard Worker; This was because undef's are ignored when checking if a vector constant is a
8*9880d681SAndroid Build Coastguard Worker; splat, but are legalized to zero if left in the DAG which changes the constant
9*9880d681SAndroid Build Coastguard Worker; into a non-splat.
10*9880d681SAndroid Build Coastguard Worker;
11*9880d681SAndroid Build Coastguard Worker; It should at least successfully build.
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerdefine void @autogen_SD2090927243() {
14*9880d681SAndroid Build Coastguard WorkerBB:
15*9880d681SAndroid Build Coastguard Worker  br label %CF77
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard WorkerCF77:                                             ; preds = %CF77, %CF80
18*9880d681SAndroid Build Coastguard Worker  %Shuff27 = shufflevector <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>,
19*9880d681SAndroid Build Coastguard Worker                           <16 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>,
20*9880d681SAndroid Build Coastguard Worker                           <16 x i32> <i32 27, i32 29, i32 31, i32 1, i32 3, i32 5, i32 undef, i32 9, i32 11, i32 13, i32 undef, i32 17, i32 19, i32 21, i32 23, i32 undef>
21*9880d681SAndroid Build Coastguard Worker  %ZE30 = zext <16 x i8> %Shuff27 to <16 x i32>
22*9880d681SAndroid Build Coastguard Worker  %Cmp32 = fcmp ueq float undef, 0x3CDA6E5E40000000
23*9880d681SAndroid Build Coastguard Worker  br i1 %Cmp32, label %CF77, label %CF
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard WorkerCF:                                               ; preds = %CF, %CF81
26*9880d681SAndroid Build Coastguard Worker  %E48 = extractelement <16 x i32> %ZE30, i32 14
27*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %CF, label %CF78
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard WorkerCF78:                                             ; preds = %CF
30*9880d681SAndroid Build Coastguard Worker  ret void
31*9880d681SAndroid Build Coastguard Worker}
32