1 // RUN: %clang_cc1 -msoft-float -mfloat-abi soft -triple powerpc64le-unknown-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-LE %s
2 // RUN: %clang_cc1 -msoft-float -mfloat-abi soft -triple powerpc64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck -check-prefix=CHECK -check-prefix=CHECK-BE %s
3 
4 // Test float returns and params.
5 
6 // CHECK: define float @func_p1(float %x)
func_p1(float x)7 float func_p1(float x) { return x; }
8 
9 // CHECK: define double @func_p2(double %x)
func_p2(double x)10 double func_p2(double x) { return x; }
11 
12 // CHECK: define ppc_fp128 @func_p3(ppc_fp128 %x)
func_p3(long double x)13 long double func_p3(long double x) { return x; }
14 
15 // Test homogeneous float aggregate passing and returning.
16 
17 struct f1 { float f[1]; };
18 struct f2 { float f[2]; };
19 struct f3 { float f[3]; };
20 struct f4 { float f[4]; };
21 struct f5 { float f[5]; };
22 struct f6 { float f[6]; };
23 struct f7 { float f[7]; };
24 struct f8 { float f[8]; };
25 struct f9 { float f[9]; };
26 
27 struct fab { float a; float b; };
28 struct fabc { float a; float b; float c; };
29 
30 struct f2a2b { float a[2]; float b[2]; };
31 
32 // CHECK-LE: define i32 @func_f1(float inreg %x.coerce)
33 // CHECK-BE: define void @func_f1(%struct.f1* noalias sret %agg.result, float inreg %x.coerce)
func_f1(struct f1 x)34 struct f1 func_f1(struct f1 x) { return x; }
35 
36 // CHECK-LE: define i64 @func_f2(i64 %x.coerce)
37 // CHECK-BE: define void @func_f2(%struct.f2* noalias sret %agg.result, i64 %x.coerce)
func_f2(struct f2 x)38 struct f2 func_f2(struct f2 x) { return x; }
39 
40 // CHECK-LE: define { i64, i64 } @func_f3([2 x i64] %x.coerce)
41 // CHECK-BE: define void @func_f3(%struct.f3* noalias sret %agg.result, [2 x i64] %x.coerce)
func_f3(struct f3 x)42 struct f3 func_f3(struct f3 x) { return x; }
43 
44 // CHECK-LE: define { i64, i64 } @func_f4([2 x i64] %x.coerce)
45 // CHECK-BE: define void @func_f4(%struct.f4* noalias sret %agg.result, [2 x i64] %x.coerce)
func_f4(struct f4 x)46 struct f4 func_f4(struct f4 x) { return x; }
47 
48 // CHECK: define void @func_f5(%struct.f5* noalias sret %agg.result, [3 x i64] %x.coerce)
func_f5(struct f5 x)49 struct f5 func_f5(struct f5 x) { return x; }
50 
51 // CHECK: define void @func_f6(%struct.f6* noalias sret %agg.result, [3 x i64] %x.coerce)
func_f6(struct f6 x)52 struct f6 func_f6(struct f6 x) { return x; }
53 
54 // CHECK: define void @func_f7(%struct.f7* noalias sret %agg.result, [4 x i64] %x.coerce)
func_f7(struct f7 x)55 struct f7 func_f7(struct f7 x) { return x; }
56 
57 // CHECK: define void @func_f8(%struct.f8* noalias sret %agg.result, [4 x i64] %x.coerce)
func_f8(struct f8 x)58 struct f8 func_f8(struct f8 x) { return x; }
59 
60 // CHECK: define void @func_f9(%struct.f9* noalias sret %agg.result, [5 x i64] %x.coerce)
func_f9(struct f9 x)61 struct f9 func_f9(struct f9 x) { return x; }
62 
63 // CHECK-LE: define i64 @func_fab(i64 %x.coerce)
64 // CHECK-BE: define void @func_fab(%struct.fab* noalias sret %agg.result, i64 %x.coerce)
func_fab(struct fab x)65 struct fab func_fab(struct fab x) { return x; }
66 
67 // CHECK-LE: define { i64, i64 } @func_fabc([2 x i64] %x.coerce)
68 // CHECK-BE: define void @func_fabc(%struct.fabc* noalias sret %agg.result, [2 x i64] %x.coerce)
func_fabc(struct fabc x)69 struct fabc func_fabc(struct fabc x) { return x; }
70 
71 // CHECK-LE: define { i64, i64 } @func_f2a2b([2 x i64] %x.coerce)
72 // CHECK-BE: define void @func_f2a2b(%struct.f2a2b* noalias sret %agg.result, [2 x i64] %x.coerce)
func_f2a2b(struct f2a2b x)73 struct f2a2b func_f2a2b(struct f2a2b x) { return x; }
74 
75 // CHECK-LABEL: @call_f1
76 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f1, align 4
77 // CHECK: %[[TMP:[^ ]+]] = load float, float* getelementptr inbounds (%struct.f1, %struct.f1* @global_f1, i32 0, i32 0, i32 0), align 4
78 // CHECK-LE: call i32 @func_f1(float inreg %[[TMP]])
79 // CHECK-BE: call void @func_f1(%struct.f1* sret %[[TMP0]], float inreg %[[TMP]])
80 struct f1 global_f1;
call_f1(void)81 void call_f1(void) { global_f1 = func_f1(global_f1); }
82 
83 // CHECK-LABEL: @call_f2
84 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f2, align 4
85 // CHECK: %[[TMP:[^ ]+]] = load i64, i64* bitcast (%struct.f2* @global_f2 to i64*), align 4
86 // CHECK-LE: call i64 @func_f2(i64 %[[TMP]])
87 // CHECK-BE: call void @func_f2(%struct.f2* sret %[[TMP0]], i64 %[[TMP]])
88 struct f2 global_f2;
call_f2(void)89 void call_f2(void) { global_f2 = func_f2(global_f2); }
90 
91 // CHECK-LABEL: @call_f3
92 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f3, align 4
93 // CHECK: %[[TMP1:[^ ]+]] = alloca [2 x i64]
94 // CHECK: %[[TMP2:[^ ]+]] = bitcast [2 x i64]* %[[TMP1]] to i8*
95 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %[[TMP2]], i8* align 4 bitcast (%struct.f3* @global_f3 to i8*), i64 12, i1 false)
96 // CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], [2 x i64]* %[[TMP1]]
97 // CHECK-LE: call { i64, i64 } @func_f3([2 x i64] %[[TMP3]])
98 // CHECK-BE: call void @func_f3(%struct.f3* sret %[[TMP0]], [2 x i64] %[[TMP3]])
99 struct f3 global_f3;
call_f3(void)100 void call_f3(void) { global_f3 = func_f3(global_f3); }
101 
102 // CHECK-LABEL: @call_f4
103 // CHECK-BE: %[[TMP0:[^ ]+]] = alloca %struct.f4, align 4
104 // CHECK: %[[TMP:[^ ]+]] = load [2 x i64], [2 x i64]* bitcast (%struct.f4* @global_f4 to [2 x i64]*), align 4
105 // CHECK-LE: call { i64, i64 } @func_f4([2 x i64] %[[TMP]])
106 // CHECK-BE: call void @func_f4(%struct.f4* sret %[[TMP0]], [2 x i64] %[[TMP]])
107 struct f4 global_f4;
call_f4(void)108 void call_f4(void) { global_f4 = func_f4(global_f4); }
109 
110 // CHECK-LABEL: @call_f5
111 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f5, align 4
112 // CHECK: %[[TMP1:[^ ]+]] = alloca [3 x i64]
113 // CHECK: %[[TMP2:[^ ]+]] = bitcast [3 x i64]* %[[TMP1]] to i8*
114 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %[[TMP2]], i8* align 4 bitcast (%struct.f5* @global_f5 to i8*), i64 20, i1 false)
115 // CHECK: %[[TMP3:[^ ]+]] = load [3 x i64], [3 x i64]* %[[TMP1]]
116 // CHECK: call void @func_f5(%struct.f5* sret %[[TMP0]], [3 x i64] %[[TMP3]])
117 struct f5 global_f5;
call_f5(void)118 void call_f5(void) { global_f5 = func_f5(global_f5); }
119 
120 // CHECK-LABEL: @call_f6
121 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f6, align 4
122 // CHECK: %[[TMP:[^ ]+]] = load [3 x i64], [3 x i64]* bitcast (%struct.f6* @global_f6 to [3 x i64]*), align 4
123 // CHECK: call void @func_f6(%struct.f6* sret %[[TMP0]], [3 x i64] %[[TMP]])
124 struct f6 global_f6;
call_f6(void)125 void call_f6(void) { global_f6 = func_f6(global_f6); }
126 
127 // CHECK-LABEL: @call_f7
128 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f7, align 4
129 // CHECK: %[[TMP1:[^ ]+]] = alloca [4 x i64], align 8
130 // CHECK: %[[TMP2:[^ ]+]] = bitcast [4 x i64]* %[[TMP1]] to i8*
131 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %[[TMP2]], i8* align 4 bitcast (%struct.f7* @global_f7 to i8*), i64 28, i1 false)
132 // CHECK: %[[TMP3:[^ ]+]] = load [4 x i64], [4 x i64]* %[[TMP1]], align 8
133 // CHECK: call void @func_f7(%struct.f7* sret %[[TMP0]], [4 x i64] %[[TMP3]])
134 struct f7 global_f7;
call_f7(void)135 void call_f7(void) { global_f7 = func_f7(global_f7); }
136 
137 // CHECK-LABEL: @call_f8
138 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.f8, align 4
139 // CHECK: %[[TMP:[^ ]+]] = load [4 x i64], [4 x i64]* bitcast (%struct.f8* @global_f8 to [4 x i64]*), align 4
140 // CHECK: call void @func_f8(%struct.f8* sret %[[TMP0]], [4 x i64] %[[TMP]])
141 struct f8 global_f8;
call_f8(void)142 void call_f8(void) { global_f8 = func_f8(global_f8); }
143 
144 // CHECK-LABEL: @call_f9
145 // CHECK: %[[TMP1:[^ ]+]] = alloca [5 x i64]
146 // CHECK: %[[TMP2:[^ ]+]] = bitcast [5 x i64]* %[[TMP1]] to i8*
147 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %[[TMP2]], i8* align 4 bitcast (%struct.f9* @global_f9 to i8*), i64 36, i1 false)
148 // CHECK: %[[TMP3:[^ ]+]] = load [5 x i64], [5 x i64]* %[[TMP1]]
149 // CHECK: call void @func_f9(%struct.f9* sret %{{[^ ]+}}, [5 x i64] %[[TMP3]])
150 struct f9 global_f9;
call_f9(void)151 void call_f9(void) { global_f9 = func_f9(global_f9); }
152 
153 // CHECK-LABEL: @call_fab
154 // CHECK: %[[TMP0:[^ ]+]] = alloca %struct.fab, align 4
155 // CHECK: %[[TMP:[^ ]+]] = load i64, i64* bitcast (%struct.fab* @global_fab to i64*), align 4
156 // CHECK-LE: %call = call i64 @func_fab(i64 %[[TMP]])
157 // CHECK-BE: call void @func_fab(%struct.fab* sret %[[TMP0]], i64 %[[TMP]])
158 struct fab global_fab;
call_fab(void)159 void call_fab(void) { global_fab = func_fab(global_fab); }
160 
161 // CHECK-LABEL: @call_fabc
162 // CHECK-BE: %[[TMPX:[^ ]+]] = alloca %struct.fabc, align 4
163 // CHECK: %[[TMP0:[^ ]+]] = alloca [2 x i64], align 8
164 // CHECK: %[[TMP2:[^ ]+]] = bitcast [2 x i64]* %[[TMP0]] to i8*
165 // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %[[TMP2]], i8* align 4 bitcast (%struct.fabc* @global_fabc to i8*), i64 12, i1 false)
166 // CHECK: %[[TMP3:[^ ]+]] = load [2 x i64], [2 x i64]* %[[TMP0]], align 8
167 // CHECK-LE: %call = call { i64, i64 } @func_fabc([2 x i64] %[[TMP3]])
168 // CHECK-BE: call void @func_fabc(%struct.fabc* sret %[[TMPX]], [2 x i64] %[[TMP3]])
169 struct fabc global_fabc;
call_fabc(void)170 void call_fabc(void) { global_fabc = func_fabc(global_fabc); }
171 
172