xref: /llvm-project/llvm/test/CodeGen/PowerPC/branch-on-store-cond.ll (revision 4e2b4f97a09500fb6ceb4f077c492fac056a6a0a)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
3; RUN:   -mcpu=pwr8 < %s | FileCheck %s --check-prefix=CHECK
4; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-aix \
5; RUN:   -mcpu=pwr8 < %s | FileCheck %s --check-prefix=CHECK-AIX
6
7define dso_local zeroext i8 @test1(ptr noundef %addr, i8 noundef zeroext %newval) local_unnamed_addr #0 {
8; CHECK-LABEL: test1:
9; CHECK:       # %bb.0: # %entry
10; CHECK-NEXT:    stbcx. 4, 0, 3
11; CHECK-NEXT:    bne 0, .LBB0_2
12; CHECK-NEXT:  # %bb.1: # %if.then
13; CHECK-NEXT:    mflr 0
14; CHECK-NEXT:    stdu 1, -32(1)
15; CHECK-NEXT:    std 0, 48(1)
16; CHECK-NEXT:    .cfi_def_cfa_offset 32
17; CHECK-NEXT:    .cfi_offset lr, 16
18; CHECK-NEXT:    bl dummy
19; CHECK-NEXT:    nop
20; CHECK-NEXT:    addi 1, 1, 32
21; CHECK-NEXT:    ld 0, 16(1)
22; CHECK-NEXT:    mtlr 0
23; CHECK-NEXT:  .LBB0_2: # %if.end
24; CHECK-NEXT:    li 3, 55
25; CHECK-NEXT:    blr
26;
27; CHECK-AIX-LABEL: test1:
28; CHECK-AIX:       # %bb.0: # %entry
29; CHECK-AIX-NEXT:    stbcx. 4, 0, 3
30; CHECK-AIX-NEXT:    bne 0, L..BB0_2
31; CHECK-AIX-NEXT:  # %bb.1: # %if.then
32; CHECK-AIX-NEXT:    mflr 0
33; CHECK-AIX-NEXT:    stdu 1, -112(1)
34; CHECK-AIX-NEXT:    std 0, 128(1)
35; CHECK-AIX-NEXT:    bl .dummy[PR]
36; CHECK-AIX-NEXT:    nop
37; CHECK-AIX-NEXT:    addi 1, 1, 112
38; CHECK-AIX-NEXT:    ld 0, 16(1)
39; CHECK-AIX-NEXT:    mtlr 0
40; CHECK-AIX-NEXT:  L..BB0_2: # %if.end
41; CHECK-AIX-NEXT:    li 3, 55
42; CHECK-AIX-NEXT:    blr
43entry:
44  %conv = zext i8 %newval to i32
45  %0 = tail call i32 @llvm.ppc.stbcx(ptr %addr, i32 %conv)
46  %tobool.not = icmp eq i32 %0, 0
47  br i1 %tobool.not, label %if.end, label %if.then
48
49if.then:                                          ; preds = %entry
50  tail call void @dummy() #3
51  br label %if.end
52
53if.end:                                           ; preds = %if.then, %entry
54  ret i8 55
55}
56
57define dso_local signext i16 @test2(ptr noundef %addr, i16 noundef signext %newval) local_unnamed_addr #0 {
58; CHECK-LABEL: test2:
59; CHECK:       # %bb.0: # %entry
60; CHECK-NEXT:    sthcx. 4, 0, 3
61; CHECK-NEXT:    bne 0, .LBB1_2
62; CHECK-NEXT:  # %bb.1: # %if.then
63; CHECK-NEXT:    mflr 0
64; CHECK-NEXT:    stdu 1, -32(1)
65; CHECK-NEXT:    std 0, 48(1)
66; CHECK-NEXT:    .cfi_def_cfa_offset 32
67; CHECK-NEXT:    .cfi_offset lr, 16
68; CHECK-NEXT:    bl dummy
69; CHECK-NEXT:    nop
70; CHECK-NEXT:    addi 1, 1, 32
71; CHECK-NEXT:    ld 0, 16(1)
72; CHECK-NEXT:    mtlr 0
73; CHECK-NEXT:  .LBB1_2: # %if.end
74; CHECK-NEXT:    li 3, 55
75; CHECK-NEXT:    blr
76;
77; CHECK-AIX-LABEL: test2:
78; CHECK-AIX:       # %bb.0: # %entry
79; CHECK-AIX-NEXT:    sthcx. 4, 0, 3
80; CHECK-AIX-NEXT:    bne 0, L..BB1_2
81; CHECK-AIX-NEXT:  # %bb.1: # %if.then
82; CHECK-AIX-NEXT:    mflr 0
83; CHECK-AIX-NEXT:    stdu 1, -112(1)
84; CHECK-AIX-NEXT:    std 0, 128(1)
85; CHECK-AIX-NEXT:    bl .dummy[PR]
86; CHECK-AIX-NEXT:    nop
87; CHECK-AIX-NEXT:    addi 1, 1, 112
88; CHECK-AIX-NEXT:    ld 0, 16(1)
89; CHECK-AIX-NEXT:    mtlr 0
90; CHECK-AIX-NEXT:  L..BB1_2: # %if.end
91; CHECK-AIX-NEXT:    li 3, 55
92; CHECK-AIX-NEXT:    blr
93entry:
94  %0 = sext i16 %newval to i32
95  %1 = tail call i32 @llvm.ppc.sthcx(ptr %addr, i32 %0)
96  %tobool.not = icmp eq i32 %1, 0
97  br i1 %tobool.not, label %if.end, label %if.then
98
99if.then:                                          ; preds = %entry
100  tail call void @dummy() #3
101  br label %if.end
102
103if.end:                                           ; preds = %if.then, %entry
104  ret i16 55
105}
106
107define dso_local signext i32 @test3(ptr noundef %addr, i32 noundef signext %newval) local_unnamed_addr #0 {
108; CHECK-LABEL: test3:
109; CHECK:       # %bb.0: # %entry
110; CHECK-NEXT:    stwcx. 4, 0, 3
111; CHECK-NEXT:    bne 0, .LBB2_2
112; CHECK-NEXT:  # %bb.1: # %if.then
113; CHECK-NEXT:    mflr 0
114; CHECK-NEXT:    stdu 1, -32(1)
115; CHECK-NEXT:    std 0, 48(1)
116; CHECK-NEXT:    .cfi_def_cfa_offset 32
117; CHECK-NEXT:    .cfi_offset lr, 16
118; CHECK-NEXT:    bl dummy
119; CHECK-NEXT:    nop
120; CHECK-NEXT:    addi 1, 1, 32
121; CHECK-NEXT:    ld 0, 16(1)
122; CHECK-NEXT:    mtlr 0
123; CHECK-NEXT:  .LBB2_2: # %if.end
124; CHECK-NEXT:    li 3, 55
125; CHECK-NEXT:    blr
126;
127; CHECK-AIX-LABEL: test3:
128; CHECK-AIX:       # %bb.0: # %entry
129; CHECK-AIX-NEXT:    stwcx. 4, 0, 3
130; CHECK-AIX-NEXT:    bne 0, L..BB2_2
131; CHECK-AIX-NEXT:  # %bb.1: # %if.then
132; CHECK-AIX-NEXT:    mflr 0
133; CHECK-AIX-NEXT:    stdu 1, -112(1)
134; CHECK-AIX-NEXT:    std 0, 128(1)
135; CHECK-AIX-NEXT:    bl .dummy[PR]
136; CHECK-AIX-NEXT:    nop
137; CHECK-AIX-NEXT:    addi 1, 1, 112
138; CHECK-AIX-NEXT:    ld 0, 16(1)
139; CHECK-AIX-NEXT:    mtlr 0
140; CHECK-AIX-NEXT:  L..BB2_2: # %if.end
141; CHECK-AIX-NEXT:    li 3, 55
142; CHECK-AIX-NEXT:    blr
143entry:
144  %0 = tail call i32 @llvm.ppc.stwcx(ptr %addr, i32 %newval)
145  %tobool.not = icmp eq i32 %0, 0
146  br i1 %tobool.not, label %if.end, label %if.then
147
148if.then:                                          ; preds = %entry
149  tail call void @dummy() #3
150  br label %if.end
151
152if.end:                                           ; preds = %if.then, %entry
153  ret i32 55
154}
155
156define dso_local i64 @test4(ptr noundef %addr, i64 noundef %newval) local_unnamed_addr #0 {
157; CHECK-LABEL: test4:
158; CHECK:       # %bb.0: # %entry
159; CHECK-NEXT:    stdcx. 4, 0, 3
160; CHECK-NEXT:    bne 0, .LBB3_2
161; CHECK-NEXT:  # %bb.1: # %if.then
162; CHECK-NEXT:    mflr 0
163; CHECK-NEXT:    stdu 1, -32(1)
164; CHECK-NEXT:    std 0, 48(1)
165; CHECK-NEXT:    .cfi_def_cfa_offset 32
166; CHECK-NEXT:    .cfi_offset lr, 16
167; CHECK-NEXT:    bl dummy
168; CHECK-NEXT:    nop
169; CHECK-NEXT:    addi 1, 1, 32
170; CHECK-NEXT:    ld 0, 16(1)
171; CHECK-NEXT:    mtlr 0
172; CHECK-NEXT:  .LBB3_2: # %if.end
173; CHECK-NEXT:    li 3, 55
174; CHECK-NEXT:    blr
175;
176; CHECK-AIX-LABEL: test4:
177; CHECK-AIX:       # %bb.0: # %entry
178; CHECK-AIX-NEXT:    stdcx. 4, 0, 3
179; CHECK-AIX-NEXT:    bne 0, L..BB3_2
180; CHECK-AIX-NEXT:  # %bb.1: # %if.then
181; CHECK-AIX-NEXT:    mflr 0
182; CHECK-AIX-NEXT:    stdu 1, -112(1)
183; CHECK-AIX-NEXT:    std 0, 128(1)
184; CHECK-AIX-NEXT:    bl .dummy[PR]
185; CHECK-AIX-NEXT:    nop
186; CHECK-AIX-NEXT:    addi 1, 1, 112
187; CHECK-AIX-NEXT:    ld 0, 16(1)
188; CHECK-AIX-NEXT:    mtlr 0
189; CHECK-AIX-NEXT:  L..BB3_2: # %if.end
190; CHECK-AIX-NEXT:    li 3, 55
191; CHECK-AIX-NEXT:    blr
192entry:
193  %0 = tail call i32 @llvm.ppc.stdcx(ptr %addr, i64 %newval)
194  %tobool.not = icmp eq i32 %0, 0
195  br i1 %tobool.not, label %if.end, label %if.then
196
197if.then:                                          ; preds = %entry
198  tail call void @dummy() #3
199  br label %if.end
200
201if.end:                                           ; preds = %if.then, %entry
202  ret i64 55
203}
204
205declare i32 @llvm.ppc.stbcx(ptr, i32) #1
206declare i32 @llvm.ppc.sthcx(ptr, i32) #1
207declare i32 @llvm.ppc.stwcx(ptr, i32) #1
208declare i32 @llvm.ppc.stdcx(ptr, i64) #1
209declare void @dummy(...) local_unnamed_addr #2
210