xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/msa/llvm-stress-s449609655-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 is based on an llvm-stress generated test case with seed=449609655
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; This test originally failed for MSA with a
9*9880d681SAndroid Build Coastguard Worker; "Comparison requires equal bit widths" assertion.
10*9880d681SAndroid Build Coastguard Worker; The legalizer legalized ; the <4 x i8>'s into <4 x i32>'s, then a call to
11*9880d681SAndroid Build Coastguard Worker; isVSplat() returned the splat value for <i8 -1, i8 -1, ...> as a 32-bit APInt
12*9880d681SAndroid Build Coastguard Worker; (255), but the zeroinitializer splat value as an 8-bit APInt (0). The
13*9880d681SAndroid Build Coastguard Worker; assertion occurred when trying to check the values were bitwise inverses of
14*9880d681SAndroid Build Coastguard Worker; each-other.
15*9880d681SAndroid Build Coastguard Worker;
16*9880d681SAndroid Build Coastguard Worker; It should at least successfully build.
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Workerdefine void @autogen_SD449609655(i8) {
19*9880d681SAndroid Build Coastguard WorkerBB:
20*9880d681SAndroid Build Coastguard Worker  %Cmp = icmp ult i8 -3, %0
21*9880d681SAndroid Build Coastguard Worker  br label %CF78
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard WorkerCF78:                                             ; preds = %CF81, %CF78, %BB
24*9880d681SAndroid Build Coastguard Worker  %Sl31 = select i1 %Cmp, <4 x i8> <i8 -1, i8 -1, i8 -1, i8 -1>, <4 x i8> zeroinitializer
25*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %CF78, label %CF81
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard WorkerCF81:                                             ; preds = %CF78
28*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %CF78, label %CF80
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard WorkerCF80:                                             ; preds = %CF81
31*9880d681SAndroid Build Coastguard Worker  %I59 = insertelement <4 x i8> %Sl31, i8 undef, i32 1
32*9880d681SAndroid Build Coastguard Worker  ret void
33*9880d681SAndroid Build Coastguard Worker}
34