xref: /llvm-project/llvm/test/CodeGen/PowerPC/redundant-copy-after-tail-dup.ll (revision 5403c59c608c08c8ecd4303763f08eb046eb5e4d)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown \
3; RUN:   -ppc-asm-full-reg-names -verify-machineinstrs -O3 < %s | FileCheck %s \
4; RUN:   --check-prefix=CHECK-P9
5
6%class.A = type <{ %"class.D", %"class.D", i32, i32, i32, %"class.B", %"class.C", %"class.C", %"class.C", %"class.C", %"class.D", [2 x i8], %"class.E", %"class.F", %"class.G", %"class.G", %"class.H", i32, [4 x i8] }>
7%"class.B" = type { [441 x i32] }
8%"class.C" = type { [442 x i16] }
9%"class.D" = type { [441 x i16] }
10%"class.E" = type { [4 x i32] }
11%"class.F" = type { [8 x i32] }
12%"class.G" = type { [2 x i32] }
13%"class.H" = type { %"struct.A" }
14%"struct.A" = type { %"struct.B" }
15%"struct.B" = type { ptr, ptr, ptr }
16
17define dso_local i1 @t(ptr %this, i32 %color, i32 %vertex) local_unnamed_addr {
18; CHECK-P9-LABEL: t:
19; CHECK-P9:       # %bb.0: # %entry
20; CHECK-P9-NEXT:    li r5, 1
21; CHECK-P9-NEXT:    bc 12, 4*cr5+lt, .LBB0_4
22; CHECK-P9-NEXT:  # %bb.1: # %land.lhs.true
23; CHECK-P9-NEXT:    bc 12, 4*cr5+lt, .LBB0_5
24; CHECK-P9-NEXT:  .LBB0_2: # %for.inc
25; CHECK-P9-NEXT:    lhz r3, 5308(r3)
26; CHECK-P9-NEXT:    cmplwi r3, 2
27; CHECK-P9-NEXT:    bge- cr0, .LBB0_6
28; CHECK-P9-NEXT:  # %bb.3: # %land.lhs.true.1
29; CHECK-P9-NEXT:    li r3, 0
30; CHECK-P9-NEXT:    blr
31; CHECK-P9-NEXT:  .LBB0_4: # %lor.lhs.false
32; CHECK-P9-NEXT:    cmplwi r4, 0
33; CHECK-P9-NEXT:    bne cr0, .LBB0_2
34; CHECK-P9-NEXT:  .LBB0_5: # %cleanup16
35; CHECK-P9-NEXT:    mr r3, r5
36; CHECK-P9-NEXT:    blr
37; CHECK-P9-NEXT:  .LBB0_6: # %lor.lhs.false.1
38entry:
39  br i1 undef, label %land.lhs.true, label %lor.lhs.false
40
41land.lhs.true:                                    ; preds = %entry
42  br i1 undef, label %cleanup16, label %for.inc
43
44lor.lhs.false:                                    ; preds = %entry
45  %cmp11 = icmp ne i16 0, 2
46  %cmp13 = icmp eq i32 0, %color
47  %or.cond = and i1 %cmp13, %cmp11
48  br i1 %or.cond, label %cleanup16, label %for.inc
49
50for.inc:                                          ; preds = %lor.lhs.false, %land.lhs.true
51  %arrayidx.i31.1 = getelementptr inbounds %class.A, ptr %this, i64 0, i32 8, i32 0, i64 undef
52  %0 = load i16, ptr %arrayidx.i31.1, align 2
53  %cmp8.1 = icmp ult i16 %0, 2
54  br i1 %cmp8.1, label %land.lhs.true.1, label %lor.lhs.false.1
55
56cleanup16:                                        ; preds = %for.inc.2, %lor.lhs.false.2, %lor.lhs.false, %land.lhs.true
57  %1 = phi i1 [ true, %land.lhs.true ], [ true, %lor.lhs.false ], [ true, %lor.lhs.false.2 ], [ false, %for.inc.2 ]
58  ret i1 %1
59
60lor.lhs.false.1:                                  ; preds = %for.inc
61  unreachable
62
63land.lhs.true.1:                                  ; preds = %for.inc
64  br label %lor.lhs.false.2
65
66lor.lhs.false.2:                                  ; preds = %land.lhs.true.1
67  br i1 false, label %cleanup16, label %for.inc.2
68
69for.inc.2:                                        ; preds = %lor.lhs.false.2
70  br label %cleanup16
71}
72
73