xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2011-10-19-widen_vselect.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1; RUN: llc < %s -march=x86-64 -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 | FileCheck %s
2
3; Make sure that we don't crash when legalizing vselect and vsetcc and that
4; we are able to generate vector blend instructions.
5
6; CHECK-LABEL: simple_widen
7; CHECK-NOT: blend
8; CHECK: ret
9define void @simple_widen() {
10entry:
11  %0 = select <2 x i1> undef, <2 x float> undef, <2 x float> undef
12  store <2 x float> %0, <2 x float>* undef
13  ret void
14}
15
16; CHECK-LABEL: complex_inreg_work
17; CHECK: blend
18; CHECK: ret
19
20define void @complex_inreg_work() {
21entry:
22  %0 = fcmp oeq <2 x float> undef, undef
23  %1 = select <2 x i1> %0, <2 x float> undef, <2 x float> undef
24  store <2 x float> %1, <2 x float>* undef
25  ret void
26}
27
28; CHECK-LABEL: zero_test
29; CHECK: xorps %xmm0, %xmm0
30; CHECK: ret
31
32define void @zero_test() {
33entry:
34  %0 = select <2 x i1> undef, <2 x float> undef, <2 x float> zeroinitializer
35  store <2 x float> %0, <2 x float>* undef
36  ret void
37}
38
39; CHECK-LABEL: full_test
40; CHECK: blend
41; CHECK: ret
42
43define void @full_test() {
44 entry:
45   %Cy300 = alloca <4 x float>
46   %Cy11a = alloca <2 x float>
47   %Cy118 = alloca <2 x float>
48   %Cy119 = alloca <2 x float>
49   br label %B1
50
51 B1:                                               ; preds = %entry
52   %0 = load <2 x float>, <2 x float>* %Cy119
53   %1 = fptosi <2 x float> %0 to <2 x i32>
54   %2 = sitofp <2 x i32> %1 to <2 x float>
55   %3 = fcmp ogt <2 x float> %0, zeroinitializer
56   %4 = fadd <2 x float> %2, <float 1.000000e+00, float 1.000000e+00>
57   %5 = select <2 x i1> %3, <2 x float> %4, <2 x float> %2
58   %6 = fcmp oeq <2 x float> %2, %0
59   %7 = select <2 x i1> %6, <2 x float> %0, <2 x float> %5
60   store <2 x float> %7, <2 x float>* %Cy118
61   %8 = load <2 x float>, <2 x float>* %Cy118
62   store <2 x float> %8, <2 x float>* %Cy11a
63   ret void
64}
65
66
67