xref: /llvm-project/llvm/test/CodeGen/PowerPC/store-constant.ll (revision b922a3621116b404d868af8b74cab25ab78555be)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 -verify-machineinstrs | FileCheck %s
3
4@CVal = external local_unnamed_addr global i8, align 1
5@SVal = external local_unnamed_addr global i16, align 2
6@IVal = external local_unnamed_addr global i32, align 4
7@LVal = external local_unnamed_addr global i64, align 8
8@USVal = external local_unnamed_addr global i16, align 2
9@arr = external local_unnamed_addr global ptr, align 8
10@arri = external local_unnamed_addr global ptr, align 8
11
12; Test the same constant can be used by different stores.
13
14%struct.S = type { i64, i8, i16, i32 }
15
16define void @foo(ptr %p) {
17; CHECK-LABEL: foo:
18; CHECK:       # %bb.0:
19; CHECK-NEXT:    li 4, 0
20; CHECK-NEXT:    std 4, 0(3)
21; CHECK-NEXT:    stb 4, 8(3)
22; CHECK-NEXT:    sth 4, 10(3)
23; CHECK-NEXT:    stw 4, 12(3)
24; CHECK-NEXT:    blr
25  store i64 0, ptr %p, align 8
26  %c = getelementptr %struct.S, ptr %p, i64 0, i32 1
27  store i8 0, ptr %c, align 8
28  %s = getelementptr %struct.S, ptr %p, i64 0, i32 2
29  store i16 0, ptr %s, align 2
30  %i = getelementptr %struct.S, ptr %p, i64 0, i32 3
31  store i32 0, ptr %i, align 4
32  ret void
33
34}
35
36define void @bar(ptr %p) {
37; CHECK-LABEL: bar:
38; CHECK:       # %bb.0:
39; CHECK-NEXT:    li 4, 2
40; CHECK-NEXT:    stw 4, 12(3)
41; CHECK-NEXT:    sth 4, 10(3)
42; CHECK-NEXT:    stb 4, 8(3)
43; CHECK-NEXT:    std 4, 0(3)
44; CHECK-NEXT:    blr
45  %i = getelementptr %struct.S, ptr %p, i64 0, i32 3
46  store i32 2, ptr %i, align 4
47  %s = getelementptr %struct.S, ptr %p, i64 0, i32 2
48  store i16 2, ptr %s, align 2
49  %c = getelementptr %struct.S, ptr %p, i64 0, i32 1
50  store i8 2, ptr %c, align 8
51  store i64 2, ptr %p, align 8
52  ret void
53
54}
55
56; Function Attrs: norecurse nounwind
57define void @setSmallNeg() {
58; CHECK-LABEL: setSmallNeg:
59; CHECK:       # %bb.0: # %entry
60; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
61; CHECK-NEXT:    li 4, -7
62; CHECK-NEXT:    ld 3, .LC0@toc@l(3)
63; CHECK-NEXT:    stb 4, 0(3)
64; CHECK-NEXT:    addis 3, 2, .LC1@toc@ha
65; CHECK-NEXT:    ld 3, .LC1@toc@l(3)
66; CHECK-NEXT:    sth 4, 0(3)
67; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
68; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
69; CHECK-NEXT:    stw 4, 0(3)
70; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
71; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
72; CHECK-NEXT:    std 4, 0(3)
73; CHECK-NEXT:    blr
74entry:
75  store i8 -7, ptr @CVal, align 1
76  store i16 -7, ptr @SVal, align 2
77  store i32 -7, ptr @IVal, align 4
78  store i64 -7, ptr @LVal, align 8
79  ret void
80}
81
82; Function Attrs: norecurse nounwind
83define void @setSmallPos() {
84; CHECK-LABEL: setSmallPos:
85; CHECK:       # %bb.0: # %entry
86; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
87; CHECK-NEXT:    li 4, 8
88; CHECK-NEXT:    ld 3, .LC0@toc@l(3)
89; CHECK-NEXT:    stb 4, 0(3)
90; CHECK-NEXT:    addis 3, 2, .LC1@toc@ha
91; CHECK-NEXT:    ld 3, .LC1@toc@l(3)
92; CHECK-NEXT:    sth 4, 0(3)
93; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
94; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
95; CHECK-NEXT:    stw 4, 0(3)
96; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
97; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
98; CHECK-NEXT:    std 4, 0(3)
99; CHECK-NEXT:    blr
100entry:
101  store i8 8, ptr @CVal, align 1
102  store i16 8, ptr @SVal, align 2
103  store i32 8, ptr @IVal, align 4
104  store i64 8, ptr @LVal, align 8
105  ret void
106}
107
108; Function Attrs: norecurse nounwind
109define void @setMaxNeg() {
110; CHECK-LABEL: setMaxNeg:
111; CHECK:       # %bb.0: # %entry
112; CHECK-NEXT:    addis 3, 2, .LC1@toc@ha
113; CHECK-NEXT:    li 4, -32768
114; CHECK-NEXT:    ld 3, .LC1@toc@l(3)
115; CHECK-NEXT:    sth 4, 0(3)
116; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
117; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
118; CHECK-NEXT:    stw 4, 0(3)
119; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
120; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
121; CHECK-NEXT:    std 4, 0(3)
122; CHECK-NEXT:    blr
123entry:
124  store i16 -32768, ptr @SVal, align 2
125  store i32 -32768, ptr @IVal, align 4
126  store i64 -32768, ptr @LVal, align 8
127  ret void
128}
129
130; Function Attrs: norecurse nounwind
131define void @setMaxPos() {
132; CHECK-LABEL: setMaxPos:
133; CHECK:       # %bb.0: # %entry
134; CHECK-NEXT:    addis 3, 2, .LC1@toc@ha
135; CHECK-NEXT:    li 4, 32767
136; CHECK-NEXT:    ld 3, .LC1@toc@l(3)
137; CHECK-NEXT:    sth 4, 0(3)
138; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
139; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
140; CHECK-NEXT:    stw 4, 0(3)
141; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
142; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
143; CHECK-NEXT:    std 4, 0(3)
144; CHECK-NEXT:    blr
145entry:
146  store i16 32767, ptr @SVal, align 2
147  store i32 32767, ptr @IVal, align 4
148  store i64 32767, ptr @LVal, align 8
149  ret void
150}
151
152; Function Attrs: norecurse nounwind
153define void @setExcessiveNeg() {
154; CHECK-LABEL: setExcessiveNeg:
155; CHECK:       # %bb.0: # %entry
156; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
157; CHECK-NEXT:    lis 4, -1
158; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
159; CHECK-NEXT:    ori 4, 4, 32767
160; CHECK-NEXT:    stw 4, 0(3)
161; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
162; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
163; CHECK-NEXT:    std 4, 0(3)
164; CHECK-NEXT:    blr
165entry:
166  store i32 -32769, ptr @IVal, align 4
167  store i64 -32769, ptr @LVal, align 8
168  ret void
169}
170
171; Function Attrs: norecurse nounwind
172define void @setExcessivePos() {
173; CHECK-LABEL: setExcessivePos:
174; CHECK:       # %bb.0: # %entry
175; CHECK-NEXT:    addis 3, 2, .LC4@toc@ha
176; CHECK-NEXT:    li 4, 0
177; CHECK-NEXT:    ld 3, .LC4@toc@l(3)
178; CHECK-NEXT:    ori 4, 4, 32768
179; CHECK-NEXT:    sth 4, 0(3)
180; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
181; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
182; CHECK-NEXT:    stw 4, 0(3)
183; CHECK-NEXT:    addis 3, 2, .LC3@toc@ha
184; CHECK-NEXT:    ld 3, .LC3@toc@l(3)
185; CHECK-NEXT:    std 4, 0(3)
186; CHECK-NEXT:    blr
187entry:
188  store i16 -32768, ptr @USVal, align 2
189  store i32 32768, ptr @IVal, align 4
190  store i64 32768, ptr @LVal, align 8
191  ret void
192}
193
194define void @SetArr(i32 signext %Len) {
195; CHECK-LABEL: SetArr:
196; CHECK:       # %bb.0: # %entry
197; CHECK-NEXT:    cmpwi 3, 0
198; CHECK-NEXT:    blelr 0
199; CHECK-NEXT:  # %bb.1: # %for.body.lr.ph
200; CHECK-NEXT:    addis 4, 2, .LC5@toc@ha
201; CHECK-NEXT:    addis 5, 2, .LC6@toc@ha
202; CHECK-NEXT:    clrldi 6, 3, 32
203; CHECK-NEXT:    ld 4, .LC5@toc@l(4)
204; CHECK-NEXT:    ld 5, .LC6@toc@l(5)
205; CHECK-NEXT:    ld 4, 0(4)
206; CHECK-NEXT:    ld 5, 0(5)
207; CHECK-NEXT:    mtctr 6
208; CHECK-NEXT:    addi 3, 4, -8
209; CHECK-NEXT:    addi 4, 5, -4
210; CHECK-NEXT:    li 5, -7
211; CHECK-NEXT:    .p2align 4
212; CHECK-NEXT:  .LBB8_2: # %for.body
213; CHECK-NEXT:    #
214; CHECK-NEXT:    stdu 5, 8(3)
215; CHECK-NEXT:    stwu 5, 4(4)
216; CHECK-NEXT:    bdnz .LBB8_2
217; CHECK-NEXT:  # %bb.3: # %for.cond.cleanup
218; CHECK-NEXT:    blr
219entry:
220  %cmp7 = icmp sgt i32 %Len, 0
221  br i1 %cmp7, label %for.body.lr.ph, label %for.cond.cleanup
222
223for.body.lr.ph:                                   ; preds = %entry
224  %0 = load ptr, ptr @arr, align 8
225  %1 = load ptr, ptr @arri, align 8
226  %wide.trip.count = zext i32 %Len to i64
227  br label %for.body
228
229for.cond.cleanup:                                 ; preds = %for.body, %entry
230  ret void
231
232for.body:                                         ; preds = %for.body, %for.body.lr.ph
233  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
234  %arrayidx = getelementptr inbounds i64, ptr %0, i64 %indvars.iv
235  store i64 -7, ptr %arrayidx, align 8
236  %arrayidx2 = getelementptr inbounds i32, ptr %1, i64 %indvars.iv
237  store i32 -7, ptr %arrayidx2, align 4
238  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
239  %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count
240  br i1 %exitcond, label %for.cond.cleanup, label %for.body
241}
242
243define void @setSameValDiffSizeCI() {
244; CHECK-LABEL: setSameValDiffSizeCI:
245; CHECK:       # %bb.0: # %entry
246; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
247; CHECK-NEXT:    li 4, 255
248; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
249; CHECK-NEXT:    stw 4, 0(3)
250; CHECK-NEXT:    addis 3, 2, .LC0@toc@ha
251; CHECK-NEXT:    ld 3, .LC0@toc@l(3)
252; CHECK-NEXT:    stb 4, 0(3)
253; CHECK-NEXT:    blr
254entry:
255  store i32 255, ptr @IVal, align 4
256  store i8 -1, ptr @CVal, align 1
257  ret void
258}
259
260define void @setSameValDiffSizeSI() {
261; CHECK-LABEL: setSameValDiffSizeSI:
262; CHECK:       # %bb.0: # %entry
263; CHECK-NEXT:    addis 3, 2, .LC2@toc@ha
264; CHECK-NEXT:    li 4, 0
265; CHECK-NEXT:    ld 3, .LC2@toc@l(3)
266; CHECK-NEXT:    ori 4, 4, 65535
267; CHECK-NEXT:    stw 4, 0(3)
268; CHECK-NEXT:    addis 3, 2, .LC1@toc@ha
269; CHECK-NEXT:    ld 3, .LC1@toc@l(3)
270; CHECK-NEXT:    sth 4, 0(3)
271; CHECK-NEXT:    blr
272entry:
273  store i32 65535, ptr @IVal, align 4
274  store i16 -1, ptr @SVal, align 2
275  ret void
276}
277