xref: /llvm-project/llvm/test/CodeGen/VE/Scalar/br_analyze.ll (revision b006b60dc993b2e0ba3e412c80709477241b6be6)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=ve | FileCheck %s
3
4declare void @foo() noreturn
5
6;;; Check a case where a separate branch is needed and where the original
7;;; order should be reversed.  Copied from SystemZ/branch-08.ll
8
9define i32 @f1(i32 %a, ptr %bptr) {
10; CHECK-LABEL: f1:
11; CHECK:       # %bb.0: # %entry
12; CHECK-NEXT:    st %s9, (, %s11)
13; CHECK-NEXT:    st %s10, 8(, %s11)
14; CHECK-NEXT:    or %s9, 0, %s11
15; CHECK-NEXT:    lea %s11, -240(, %s11)
16; CHECK-NEXT:    brge.l %s11, %s8, .LBB0_4
17; CHECK-NEXT:  # %bb.3: # %entry
18; CHECK-NEXT:    ld %s61, 24(, %s14)
19; CHECK-NEXT:    or %s62, 0, %s0
20; CHECK-NEXT:    lea %s63, 315
21; CHECK-NEXT:    shm.l %s63, (%s61)
22; CHECK-NEXT:    shm.l %s8, 8(%s61)
23; CHECK-NEXT:    shm.l %s11, 16(%s61)
24; CHECK-NEXT:    monc
25; CHECK-NEXT:    or %s0, 0, %s62
26; CHECK-NEXT:  .LBB0_4: # %entry
27; CHECK-NEXT:    ldl.sx %s1, (, %s1)
28; CHECK-NEXT:    cmpu.w %s0, %s1, %s0
29; CHECK-NEXT:    brlt.w 0, %s0, .LBB0_2
30; CHECK-NEXT:  # %bb.1: # %return
31; CHECK-NEXT:    or %s0, 1, (0)1
32; CHECK-NEXT:    or %s11, 0, %s9
33; CHECK-NEXT:    ld %s10, 8(, %s11)
34; CHECK-NEXT:    ld %s9, (, %s11)
35; CHECK-NEXT:    b.l.t (, %s10)
36; CHECK-NEXT:  .LBB0_2: # %callit
37; CHECK-NEXT:    lea %s0, foo@lo
38; CHECK-NEXT:    and %s0, %s0, (32)0
39; CHECK-NEXT:    lea.sl %s12, foo@hi(, %s0)
40; CHECK-NEXT:    bsic %s10, (, %s12)
41entry:
42  %b = load i32, ptr %bptr
43  %cmp = icmp ult i32 %a, %b
44  br i1 %cmp, label %callit, label %return
45
46callit:
47  call void @foo()
48  unreachable
49
50return:
51  ret i32 1
52}
53
54;;; Same again with a fused compare and branch.
55
56define i32 @f2(i32 %a) {
57; CHECK-LABEL: f2:
58; CHECK:       # %bb.0: # %entry
59; CHECK-NEXT:    st %s9, (, %s11)
60; CHECK-NEXT:    st %s10, 8(, %s11)
61; CHECK-NEXT:    or %s9, 0, %s11
62; CHECK-NEXT:    lea %s11, -240(, %s11)
63; CHECK-NEXT:    brge.l %s11, %s8, .LBB1_4
64; CHECK-NEXT:  # %bb.3: # %entry
65; CHECK-NEXT:    ld %s61, 24(, %s14)
66; CHECK-NEXT:    or %s62, 0, %s0
67; CHECK-NEXT:    lea %s63, 315
68; CHECK-NEXT:    shm.l %s63, (%s61)
69; CHECK-NEXT:    shm.l %s8, 8(%s61)
70; CHECK-NEXT:    shm.l %s11, 16(%s61)
71; CHECK-NEXT:    monc
72; CHECK-NEXT:    or %s0, 0, %s62
73; CHECK-NEXT:  .LBB1_4: # %entry
74; CHECK-NEXT:    breq.w 0, %s0, .LBB1_2
75; CHECK-NEXT:  # %bb.1: # %return
76; CHECK-NEXT:    or %s0, 1, (0)1
77; CHECK-NEXT:    or %s11, 0, %s9
78; CHECK-NEXT:    ld %s10, 8(, %s11)
79; CHECK-NEXT:    ld %s9, (, %s11)
80; CHECK-NEXT:    b.l.t (, %s10)
81; CHECK-NEXT:  .LBB1_2: # %callit
82; CHECK-NEXT:    lea %s0, foo@lo
83; CHECK-NEXT:    and %s0, %s0, (32)0
84; CHECK-NEXT:    lea.sl %s12, foo@hi(, %s0)
85; CHECK-NEXT:    bsic %s10, (, %s12)
86entry:
87  %cmp = icmp eq i32 %a, 0
88  br i1 %cmp, label %callit, label %return
89
90callit:
91  call void @foo()
92  unreachable
93
94return:
95  ret i32 1
96}
97