xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/cconv/arguments-small-structures-bigger-than-32bits.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mips64   -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mips64el -target-abi n64 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mips64   -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEB
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=mips64el -target-abi n32 -mcpu=mips64r2 | FileCheck %s -check-prefixes=ALL,MIPSEL
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker; #include <stdio.h>
7*9880d681SAndroid Build Coastguard Worker;
8*9880d681SAndroid Build Coastguard Worker; struct S1 {
9*9880d681SAndroid Build Coastguard Worker;   char x1;
10*9880d681SAndroid Build Coastguard Worker;   short x2;
11*9880d681SAndroid Build Coastguard Worker;   char x3;
12*9880d681SAndroid Build Coastguard Worker; };
13*9880d681SAndroid Build Coastguard Worker;
14*9880d681SAndroid Build Coastguard Worker; struct S2 {
15*9880d681SAndroid Build Coastguard Worker;   char x1;
16*9880d681SAndroid Build Coastguard Worker;   char x2;
17*9880d681SAndroid Build Coastguard Worker;   char x3;
18*9880d681SAndroid Build Coastguard Worker;   char x4;
19*9880d681SAndroid Build Coastguard Worker;   char x5;
20*9880d681SAndroid Build Coastguard Worker; };
21*9880d681SAndroid Build Coastguard Worker;
22*9880d681SAndroid Build Coastguard Worker; void fS1(struct S1 s);
23*9880d681SAndroid Build Coastguard Worker; void fS2(struct S2 s);
24*9880d681SAndroid Build Coastguard Worker;
25*9880d681SAndroid Build Coastguard Worker; void f1() {
26*9880d681SAndroid Build Coastguard Worker;   struct S1 s1_1;
27*9880d681SAndroid Build Coastguard Worker;   fS1(s1_1);
28*9880d681SAndroid Build Coastguard Worker; }
29*9880d681SAndroid Build Coastguard Worker;
30*9880d681SAndroid Build Coastguard Worker; void f2() {
31*9880d681SAndroid Build Coastguard Worker;   struct S2 s2_1;
32*9880d681SAndroid Build Coastguard Worker;   fS2(s2_1);
33*9880d681SAndroid Build Coastguard Worker; }
34*9880d681SAndroid Build Coastguard Worker;
35*9880d681SAndroid Build Coastguard Worker; int main() {
36*9880d681SAndroid Build Coastguard Worker;   f1();
37*9880d681SAndroid Build Coastguard Worker;   f2();
38*9880d681SAndroid Build Coastguard Worker; }
39*9880d681SAndroid Build Coastguard Worker
40*9880d681SAndroid Build Coastguard Worker%struct.S1 = type { i8, i16, i8 }
41*9880d681SAndroid Build Coastguard Worker%struct.S2 = type { i8, i8, i8, i8, i8 }
42*9880d681SAndroid Build Coastguard Worker
43*9880d681SAndroid Build Coastguard Workerdeclare void @fS1(i48 inreg) #1
44*9880d681SAndroid Build Coastguard Workerdeclare void @fS2(i40 inreg) #1
45*9880d681SAndroid Build Coastguard Worker
46*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerdefine void @f1() #0 {
49*9880d681SAndroid Build Coastguard Workerentry:
50*9880d681SAndroid Build Coastguard Worker  %s1_1 = alloca %struct.S1, align 2
51*9880d681SAndroid Build Coastguard Worker  %s1_1.coerce = alloca { i48 }
52*9880d681SAndroid Build Coastguard Worker  %0 = bitcast { i48 }* %s1_1.coerce to i8*
53*9880d681SAndroid Build Coastguard Worker  %1 = bitcast %struct.S1* %s1_1 to i8*
54*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 6, i32 0, i1 false)
55*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr { i48 }, { i48 }* %s1_1.coerce, i32 0, i32 0
56*9880d681SAndroid Build Coastguard Worker  %3 = load i48, i48* %2, align 1
57*9880d681SAndroid Build Coastguard Worker  call void @fS1(i48 inreg %3)
58*9880d681SAndroid Build Coastguard Worker  ret void
59*9880d681SAndroid Build Coastguard Worker ; ALL-LABEL: f1:
60*9880d681SAndroid Build Coastguard Worker
61*9880d681SAndroid Build Coastguard Worker ; MIPSEB:       dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
62*9880d681SAndroid Build Coastguard Worker ; MIPSEL-NOT:   dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
63*9880d681SAndroid Build Coastguard Worker}
64*9880d681SAndroid Build Coastguard Worker
65*9880d681SAndroid Build Coastguard Workerdefine void @f2() #0 {
66*9880d681SAndroid Build Coastguard Workerentry:
67*9880d681SAndroid Build Coastguard Worker  %s2_1 = alloca %struct.S2, align 1
68*9880d681SAndroid Build Coastguard Worker  %s2_1.coerce = alloca { i40 }
69*9880d681SAndroid Build Coastguard Worker  %0 = bitcast { i40 }* %s2_1.coerce to i8*
70*9880d681SAndroid Build Coastguard Worker  %1 = bitcast %struct.S2* %s2_1 to i8*
71*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* %1, i64 5, i32 0, i1 false)
72*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr { i40 }, { i40 }* %s2_1.coerce, i32 0, i32 0
73*9880d681SAndroid Build Coastguard Worker  %3 = load i40, i40* %2, align 1
74*9880d681SAndroid Build Coastguard Worker  call void @fS2(i40 inreg %3)
75*9880d681SAndroid Build Coastguard Worker  ret void
76*9880d681SAndroid Build Coastguard Worker ; ALL-LABEL: f2:
77*9880d681SAndroid Build Coastguard Worker
78*9880d681SAndroid Build Coastguard Worker ; MIPSEB:       dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24
79*9880d681SAndroid Build Coastguard Worker ; MIPSEL-NOT:   dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 24
80*9880d681SAndroid Build Coastguard Worker}
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