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1 // REQUIRES: xcore-registered-target
2 // RUN: %clang_cc1 -triple xcore -verify %s
3 _Static_assert(sizeof(long long) == 8, "sizeof long long is wrong");
4 _Static_assert(_Alignof(long long) == 4, "alignof long long is wrong");
5 
6 _Static_assert(sizeof(double) == 8, "sizeof double is wrong");
7 _Static_assert(_Alignof(double) == 4, "alignof double is wrong");
8 
9 // RUN: %clang_cc1 -triple xcore-unknown-unknown -fno-signed-char -fno-common -emit-llvm -o - %s | FileCheck %s
10 
11 // CHECK: target triple = "xcore-unknown-unknown"
12 
13 // CHECK: @cgx = external constant i32, section ".cp.rodata"
14 extern const int cgx;
fcgx()15 int fcgx() { return cgx;}
16 // CHECK: @g1 = global i32 0, align 4
17 int g1;
18 // CHECK: @cg1 = constant i32 0, section ".cp.rodata", align 4
19 const int cg1;
20 
21 #include <stdarg.h>
22 struct x { int a[5]; };
23 void f(void*);
testva(int n,...)24 void testva (int n, ...) {
25   // CHECK-LABEL: testva
26   va_list ap;
27   va_start(ap,n);
28   // CHECK: [[AP:%[a-z0-9]+]] = alloca i8*, align 4
29   // CHECK: [[AP1:%[a-z0-9]+]] = bitcast i8** [[AP]] to i8*
30   // CHECK: call void @llvm.va_start(i8* [[AP1]])
31 
32   char* v1 = va_arg (ap, char*);
33   f(v1);
34   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
35   // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i8**
36   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
37   // CHECK: store i8* [[IN]], i8** [[AP]]
38   // CHECK: [[V1:%[a-z0-9]+]] = load i8*, i8** [[P]]
39   // CHECK: store i8* [[V1]], i8** [[V:%[a-z0-9]+]], align 4
40   // CHECK: [[V2:%[a-z0-9]+]] = load i8*, i8** [[V]], align 4
41   // CHECK: call void @f(i8* [[V2]])
42 
43   char v2 = va_arg (ap, char); // expected-warning{{second argument to 'va_arg' is of promotable type 'char'}}
44   f(&v2);
45   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
46   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
47   // CHECK: store i8* [[IN]], i8** [[AP]]
48   // CHECK: [[V1:%[a-z0-9]+]] = load i8, i8* [[I]]
49   // CHECK: store i8 [[V1]], i8* [[V:%[a-z0-9]+]], align 1
50   // CHECK: call void @f(i8* [[V]])
51 
52   int v3 = va_arg (ap, int);
53   f(&v3);
54   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
55   // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i32*
56   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
57   // CHECK: store i8* [[IN]], i8** [[AP]]
58   // CHECK: [[V1:%[a-z0-9]+]] = load i32, i32* [[P]]
59   // CHECK: store i32 [[V1]], i32* [[V:%[a-z0-9]+]], align 4
60   // CHECK: [[V2:%[a-z0-9]+]] = bitcast i32* [[V]] to i8*
61   // CHECK: call void @f(i8* [[V2]])
62 
63   long long int v4 = va_arg (ap, long long int);
64   f(&v4);
65   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
66   // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i64*
67   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 8
68   // CHECK: store i8* [[IN]], i8** [[AP]]
69   // CHECK: [[V1:%[a-z0-9]+]] = load i64, i64* [[P]]
70   // CHECK: store i64 [[V1]], i64* [[V:%[a-z0-9]+]], align 4
71   // CHECK:[[V2:%[a-z0-9]+]] = bitcast i64* [[V]] to i8*
72   // CHECK: call void @f(i8* [[V2]])
73 
74   struct x v5 = va_arg (ap, struct x);  // typical aggregate type
75   f(&v5);
76   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
77   // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to %struct.x**
78   // CHECK: [[P:%[a-z0-9]+]] = load %struct.x*, %struct.x** [[I2]]
79   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
80   // CHECK: store i8* [[IN]], i8** [[AP]]
81   // CHECK: [[V1:%[a-z0-9]+]] = bitcast %struct.x* [[V:%[a-z0-9]+]] to i8*
82   // CHECK: [[P1:%[a-z0-9]+]] = bitcast %struct.x* [[P]] to i8*
83   // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[V1]], i8* [[P1]], i32 20, i32 4, i1 false)
84   // CHECK: [[V2:%[a-z0-9]+]] = bitcast %struct.x* [[V]] to i8*
85   // CHECK: call void @f(i8* [[V2]])
86 
87   int* v6 = va_arg (ap, int[4]);  // an unusual aggregate type
88   f(v6);
89   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
90   // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to [4 x i32]**
91   // CHECK: [[P:%[a-z0-9]+]] = load [4 x i32]*, [4 x i32]** [[I2]]
92   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
93   // CHECK: store i8* [[IN]], i8** [[AP]]
94   // CHECK: [[V1:%[a-z0-9]+]] = bitcast [4 x i32]* [[V0:%[a-z0-9]+]] to i8*
95   // CHECK: [[P1:%[a-z0-9]+]] = bitcast [4 x i32]* [[P]] to i8*
96   // CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* [[V1]], i8* [[P1]], i32 16, i32 4, i1 false)
97   // CHECK: [[V2:%[a-z0-9]+]] = getelementptr inbounds [4 x i32], [4 x i32]* [[V0]], i32 0, i32 0
98   // CHECK: store i32* [[V2]], i32** [[V:%[a-z0-9]+]], align 4
99   // CHECK: [[V3:%[a-z0-9]+]] = load i32*, i32** [[V]], align 4
100   // CHECK: [[V4:%[a-z0-9]+]] = bitcast i32* [[V3]] to i8*
101   // CHECK: call void @f(i8* [[V4]])
102 
103   double v7 = va_arg (ap, double);
104   f(&v7);
105   // CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
106   // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to double*
107   // CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 8
108   // CHECK: store i8* [[IN]], i8** [[AP]]
109   // CHECK: [[V1:%[a-z0-9]+]] = load double, double* [[P]]
110   // CHECK: store double [[V1]], double* [[V:%[a-z0-9]+]], align 4
111   // CHECK: [[V2:%[a-z0-9]+]] = bitcast double* [[V]] to i8*
112   // CHECK: call void @f(i8* [[V2]])
113 }
114 
testbuiltin(void)115 void testbuiltin (void) {
116   // CHECK-LABEL: testbuiltin
117   // CHECK: call i32 @llvm.xcore.getid()
118   // CHECK: call i32 @llvm.xcore.getps(i32 {{%[a-z0-9]+}})
119   // CHECK: call i32 @llvm.xcore.bitrev(i32 {{%[a-z0-9]+}})
120   // CHECK: call void @llvm.xcore.setps(i32 {{%[a-z0-9]+}}, i32 {{%[a-z0-9]+}})
121   volatile int i = __builtin_getid();
122   volatile unsigned int ui = __builtin_getps(i);
123   ui = __builtin_bitrev(ui);
124   __builtin_setps(i,ui);
125 
126   // CHECK: store volatile i32 0, i32* {{%[a-z0-9]+}}, align 4
127   // CHECK: store volatile i32 1, i32* {{%[a-z0-9]+}}, align 4
128   // CHECK: store volatile i32 -1, i32* {{%[a-z0-9]+}}, align 4
129   volatile int res;
130   res = __builtin_eh_return_data_regno(0);
131   res = __builtin_eh_return_data_regno(1);
132   res = __builtin_eh_return_data_regno(2);
133 }
134 
135 // CHECK-LABEL: define zeroext i8 @testchar()
136 // CHECK: ret i8 -1
testchar(void)137 char testchar (void) {
138   return (char)-1;
139 }
140 
141 // CHECK: "no-frame-pointer-elim"="false"
142 // CHECK-NOT: "no-frame-pointer-elim-non-leaf"
143