1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs  -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names \
3; RUN:     -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 < %s | FileCheck %s --check-prefix=CHECK-PWR9
4; RUN: llc -verify-machineinstrs  -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names \
5; RUN:     -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
6
7; Check CSR split can work properly for tests below.
8
9@a = dso_local local_unnamed_addr global i32 0, align 4
10
11define dso_local signext i32 @test1(i32* %b) local_unnamed_addr  {
12; CHECK-PWR9-LABEL: test1:
13; CHECK-PWR9:       # %bb.0: # %entry
14; CHECK-PWR9-NEXT:    mflr r0
15; CHECK-PWR9-NEXT:    .cfi_def_cfa_offset 48
16; CHECK-PWR9-NEXT:    .cfi_offset lr, 16
17; CHECK-PWR9-NEXT:    .cfi_offset r30, -16
18; CHECK-PWR9-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
19; CHECK-PWR9-NEXT:    std r0, 16(r1)
20; CHECK-PWR9-NEXT:    stdu r1, -48(r1)
21; CHECK-PWR9-NEXT:    mr r30, r3
22; CHECK-PWR9-NEXT:    addis r3, r2, a@toc@ha
23; CHECK-PWR9-NEXT:    lwa r3, a@toc@l(r3)
24; CHECK-PWR9-NEXT:    cmpld r3, r30
25; CHECK-PWR9-NEXT:    # implicit-def: $r3
26; CHECK-PWR9-NEXT:    bne cr0, .LBB0_2
27; CHECK-PWR9-NEXT:  # %bb.1: # %if.then
28; CHECK-PWR9-NEXT:    bl callVoid
29; CHECK-PWR9-NEXT:    nop
30; CHECK-PWR9-NEXT:    mr r3, r30
31; CHECK-PWR9-NEXT:    bl callNonVoid
32; CHECK-PWR9-NEXT:    nop
33; CHECK-PWR9-NEXT:  .LBB0_2: # %if.end
34; CHECK-PWR9-NEXT:    extsw r3, r3
35; CHECK-PWR9-NEXT:    addi r1, r1, 48
36; CHECK-PWR9-NEXT:    ld r0, 16(r1)
37; CHECK-PWR9-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
38; CHECK-PWR9-NEXT:    mtlr r0
39; CHECK-PWR9-NEXT:    blr
40;
41; CHECK-LABEL: test1:
42; CHECK:       # %bb.0: # %entry
43; CHECK-NEXT:    mflr r0
44; CHECK-NEXT:    std r0, 16(r1)
45; CHECK-NEXT:    stdu r1, -128(r1)
46; CHECK-NEXT:    .cfi_def_cfa_offset 128
47; CHECK-NEXT:    .cfi_offset lr, 16
48; CHECK-NEXT:    .cfi_offset r30, -16
49; CHECK-NEXT:    addis r4, r2, a@toc@ha
50; CHECK-NEXT:    std r30, 112(r1) # 8-byte Folded Spill
51; CHECK-NEXT:    mr r30, r3
52; CHECK-NEXT:    lwa r4, a@toc@l(r4)
53; CHECK-NEXT:    cmpld r4, r3
54; CHECK-NEXT:    # implicit-def: $r3
55; CHECK-NEXT:    bne cr0, .LBB0_2
56; CHECK-NEXT:  # %bb.1: # %if.then
57; CHECK-NEXT:    bl callVoid
58; CHECK-NEXT:    nop
59; CHECK-NEXT:    mr r3, r30
60; CHECK-NEXT:    bl callNonVoid
61; CHECK-NEXT:    nop
62; CHECK-NEXT:  .LBB0_2: # %if.end
63; CHECK-NEXT:    ld r30, 112(r1) # 8-byte Folded Reload
64; CHECK-NEXT:    extsw r3, r3
65; CHECK-NEXT:    addi r1, r1, 128
66; CHECK-NEXT:    ld r0, 16(r1)
67; CHECK-NEXT:    mtlr r0
68; CHECK-NEXT:    blr
69entry:
70  %0 = load i32, i32* @a, align 4, !tbaa !2
71  %conv = sext i32 %0 to i64
72  %1 = inttoptr i64 %conv to i32*
73  %cmp = icmp eq i32* %1, %b
74  br i1 %cmp, label %if.then, label %if.end
75
76if.then:                                          ; preds = %entry
77  %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
78  %call2 = tail call signext i32 @callNonVoid(i32* %b)
79  br label %if.end
80
81if.end:                                           ; preds = %if.then, %entry
82  %retval.0 = phi i32 [ %call2, %if.then ], [ undef, %entry ]
83  ret i32 %retval.0
84}
85
86declare signext i32 @callVoid(...) local_unnamed_addr
87
88declare signext i32 @callNonVoid(i32*) local_unnamed_addr
89
90define dso_local signext i32 @test2(i32* %p1) local_unnamed_addr  {
91; CHECK-PWR9-LABEL: test2:
92; CHECK-PWR9:       # %bb.0: # %entry
93; CHECK-PWR9-NEXT:    mflr r0
94; CHECK-PWR9-NEXT:    .cfi_def_cfa_offset 48
95; CHECK-PWR9-NEXT:    .cfi_offset lr, 16
96; CHECK-PWR9-NEXT:    .cfi_offset r30, -16
97; CHECK-PWR9-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
98; CHECK-PWR9-NEXT:    std r0, 16(r1)
99; CHECK-PWR9-NEXT:    stdu r1, -48(r1)
100; CHECK-PWR9-NEXT:    mr r30, r3
101; CHECK-PWR9-NEXT:    li r3, 0
102; CHECK-PWR9-NEXT:    cmpldi r30, 0
103; CHECK-PWR9-NEXT:    beq cr0, .LBB1_3
104; CHECK-PWR9-NEXT:  # %bb.1: # %if.end
105; CHECK-PWR9-NEXT:    addis r4, r2, a@toc@ha
106; CHECK-PWR9-NEXT:    lwa r4, a@toc@l(r4)
107; CHECK-PWR9-NEXT:    cmpld r4, r30
108; CHECK-PWR9-NEXT:    bne cr0, .LBB1_3
109; CHECK-PWR9-NEXT:  # %bb.2: # %if.then2
110; CHECK-PWR9-NEXT:    bl callVoid
111; CHECK-PWR9-NEXT:    nop
112; CHECK-PWR9-NEXT:    mr r3, r30
113; CHECK-PWR9-NEXT:    bl callNonVoid
114; CHECK-PWR9-NEXT:    nop
115; CHECK-PWR9-NEXT:  .LBB1_3: # %return
116; CHECK-PWR9-NEXT:    extsw r3, r3
117; CHECK-PWR9-NEXT:    addi r1, r1, 48
118; CHECK-PWR9-NEXT:    ld r0, 16(r1)
119; CHECK-PWR9-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
120; CHECK-PWR9-NEXT:    mtlr r0
121; CHECK-PWR9-NEXT:    blr
122;
123; CHECK-LABEL: test2:
124; CHECK:       # %bb.0: # %entry
125; CHECK-NEXT:    mflr r0
126; CHECK-NEXT:    std r0, 16(r1)
127; CHECK-NEXT:    stdu r1, -128(r1)
128; CHECK-NEXT:    .cfi_def_cfa_offset 128
129; CHECK-NEXT:    .cfi_offset lr, 16
130; CHECK-NEXT:    .cfi_offset r30, -16
131; CHECK-NEXT:    std r30, 112(r1) # 8-byte Folded Spill
132; CHECK-NEXT:    mr r30, r3
133; CHECK-NEXT:    cmpldi r3, 0
134; CHECK-NEXT:    li r3, 0
135; CHECK-NEXT:    beq cr0, .LBB1_3
136; CHECK-NEXT:  # %bb.1: # %if.end
137; CHECK-NEXT:    addis r4, r2, a@toc@ha
138; CHECK-NEXT:    lwa r4, a@toc@l(r4)
139; CHECK-NEXT:    cmpld r4, r30
140; CHECK-NEXT:    bne cr0, .LBB1_3
141; CHECK-NEXT:  # %bb.2: # %if.then2
142; CHECK-NEXT:    bl callVoid
143; CHECK-NEXT:    nop
144; CHECK-NEXT:    mr r3, r30
145; CHECK-NEXT:    bl callNonVoid
146; CHECK-NEXT:    nop
147; CHECK-NEXT:  .LBB1_3: # %return
148; CHECK-NEXT:    ld r30, 112(r1) # 8-byte Folded Reload
149; CHECK-NEXT:    extsw r3, r3
150; CHECK-NEXT:    addi r1, r1, 128
151; CHECK-NEXT:    ld r0, 16(r1)
152; CHECK-NEXT:    mtlr r0
153; CHECK-NEXT:    blr
154entry:
155  %tobool = icmp eq i32* %p1, null
156  br i1 %tobool, label %return, label %if.end
157
158if.end:                                           ; preds = %entry
159  %0 = load i32, i32* @a, align 4, !tbaa !2
160  %conv = sext i32 %0 to i64
161  %1 = inttoptr i64 %conv to i32*
162  %cmp = icmp eq i32* %1, %p1
163  br i1 %cmp, label %if.then2, label %return
164
165if.then2:                                         ; preds = %if.end
166  %call = tail call signext i32 bitcast (i32 (...)* @callVoid to i32 ()*)()
167  %call3 = tail call signext i32 @callNonVoid(i32* nonnull %p1)
168  br label %return
169
170return:                                           ; preds = %if.end, %entry, %if.then2
171  %retval.0 = phi i32 [ %call3, %if.then2 ], [ 0, %entry ], [ 0, %if.end ]
172  ret i32 %retval.0
173}
174
175
176define dso_local i8* @test3(i8** nocapture %p1, i8 zeroext %p2) local_unnamed_addr  {
177; CHECK-PWR9-LABEL: test3:
178; CHECK-PWR9:       # %bb.0: # %entry
179; CHECK-PWR9-NEXT:    mflr r0
180; CHECK-PWR9-NEXT:    .cfi_def_cfa_offset 64
181; CHECK-PWR9-NEXT:    .cfi_offset lr, 16
182; CHECK-PWR9-NEXT:    .cfi_offset r29, -24
183; CHECK-PWR9-NEXT:    .cfi_offset r30, -16
184; CHECK-PWR9-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
185; CHECK-PWR9-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
186; CHECK-PWR9-NEXT:    std r0, 16(r1)
187; CHECK-PWR9-NEXT:    stdu r1, -64(r1)
188; CHECK-PWR9-NEXT:    ld r30, 0(r3)
189; CHECK-PWR9-NEXT:    cmpldi r30, 0
190; CHECK-PWR9-NEXT:    beq cr0, .LBB2_2
191; CHECK-PWR9-NEXT:  # %bb.1: # %land.rhs
192; CHECK-PWR9-NEXT:    mr r29, r3
193; CHECK-PWR9-NEXT:    clrldi r4, r4, 32
194; CHECK-PWR9-NEXT:    mr r3, r30
195; CHECK-PWR9-NEXT:    bl bar
196; CHECK-PWR9-NEXT:    nop
197; CHECK-PWR9-NEXT:    std r3, 0(r29)
198; CHECK-PWR9-NEXT:  .LBB2_2: # %land.end
199; CHECK-PWR9-NEXT:    mr r3, r30
200; CHECK-PWR9-NEXT:    addi r1, r1, 64
201; CHECK-PWR9-NEXT:    ld r0, 16(r1)
202; CHECK-PWR9-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
203; CHECK-PWR9-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
204; CHECK-PWR9-NEXT:    mtlr r0
205; CHECK-PWR9-NEXT:    blr
206;
207; CHECK-LABEL: test3:
208; CHECK:       # %bb.0: # %entry
209; CHECK-NEXT:    mflr r0
210; CHECK-NEXT:    std r0, 16(r1)
211; CHECK-NEXT:    stdu r1, -144(r1)
212; CHECK-NEXT:    .cfi_def_cfa_offset 144
213; CHECK-NEXT:    .cfi_offset lr, 16
214; CHECK-NEXT:    .cfi_offset r29, -24
215; CHECK-NEXT:    .cfi_offset r30, -16
216; CHECK-NEXT:    std r30, 128(r1) # 8-byte Folded Spill
217; CHECK-NEXT:    ld r30, 0(r3)
218; CHECK-NEXT:    std r29, 120(r1) # 8-byte Folded Spill
219; CHECK-NEXT:    cmpldi r30, 0
220; CHECK-NEXT:    beq cr0, .LBB2_2
221; CHECK-NEXT:  # %bb.1: # %land.rhs
222; CHECK-NEXT:    mr r29, r3
223; CHECK-NEXT:    clrldi r4, r4, 32
224; CHECK-NEXT:    mr r3, r30
225; CHECK-NEXT:    bl bar
226; CHECK-NEXT:    nop
227; CHECK-NEXT:    std r3, 0(r29)
228; CHECK-NEXT:  .LBB2_2: # %land.end
229; CHECK-NEXT:    mr r3, r30
230; CHECK-NEXT:    ld r30, 128(r1) # 8-byte Folded Reload
231; CHECK-NEXT:    ld r29, 120(r1) # 8-byte Folded Reload
232; CHECK-NEXT:    addi r1, r1, 144
233; CHECK-NEXT:    ld r0, 16(r1)
234; CHECK-NEXT:    mtlr r0
235; CHECK-NEXT:    blr
236entry:
237  %0 = load i8*, i8** %p1, align 8, !tbaa !6
238  %tobool = icmp eq i8* %0, null
239  br i1 %tobool, label %land.end, label %land.rhs
240
241land.rhs:                                         ; preds = %entry
242  %call = tail call i8* @bar(i8* nonnull %0, i8 zeroext %p2)
243  store i8* %call, i8** %p1, align 8, !tbaa !6
244  br label %land.end
245
246land.end:                                         ; preds = %entry, %land.rhs
247  ret i8* %0
248}
249
250declare i8* @bar(i8*, i8 zeroext) local_unnamed_addr
251
252
253!llvm.module.flags = !{!0}
254!llvm.ident = !{!1}
255
256!0 = !{i32 1, !"wchar_size", i32 4}
257!1 = !{!"clang version 10.0.0 (trunk 367381) (llvm/trunk 367388)"}
258!2 = !{!3, !3, i64 0}
259!3 = !{!"int", !4, i64 0}
260!4 = !{!"omnipotent char", !5, i64 0}
261!5 = !{!"Simple C/C++ TBAA"}
262!6 = !{!7, !7, i64 0}
263!7 = !{!"any pointer", !4, i64 0}
264