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// REQUIRES: xcore-registered-target
// RUN: %clang_cc1 -no-opaque-pointers -triple xcore -verify %s
_Static_assert(sizeof(long long) == 8, "sizeof long long is wrong");
_Static_assert(_Alignof(long long) == 4, "alignof long long is wrong");
_Static_assert(sizeof(double) == 8, "sizeof double is wrong");
_Static_assert(_Alignof(double) == 4, "alignof double is wrong");
// RUN: %clang_cc1 -no-opaque-pointers -triple xcore-unknown-unknown -fno-signed-char -fno-common -emit-llvm -o - %s | FileCheck %s
// CHECK: target triple = "xcore-unknown-unknown"
// CHECK: @cgx = external constant i32, section ".cp.rodata"
extern const int cgx;
int fcgx() { return cgx;}
// CHECK: @g1 ={{.*}} global i32 0, align 4
int g1;
// CHECK: @cg1 ={{.*}} constant i32 0, section ".cp.rodata", align 4
const int cg1;
#include <stdarg.h>
struct x { int a[5]; };
void f(void*);
void testva (int n, ...) {
// CHECK-LABEL: testva
va_list ap;
va_start(ap,n);
// CHECK: [[AP:%[a-z0-9]+]] = alloca i8*, align 4
// CHECK: [[AP1:%[a-z0-9]+]] = bitcast i8** [[AP]] to i8*
// CHECK: call void @llvm.va_start(i8* [[AP1]])
char* v1 = va_arg (ap, char*);
f(v1);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i8**
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = load i8*, i8** [[P]]
// CHECK: store i8* [[V1]], i8** [[V:%[a-z0-9]+]], align 4
// CHECK: [[V2:%[a-z0-9]+]] = load i8*, i8** [[V]], align 4
// CHECK: call void @f(i8* noundef [[V2]])
char v2 = va_arg (ap, char); // expected-warning{{second argument to 'va_arg' is of promotable type 'char'}}
f(&v2);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = load i8, i8* [[I]]
// CHECK: store i8 [[V1]], i8* [[V:%[a-z0-9]+]], align 1
// CHECK: call void @f(i8* noundef [[V]])
int v3 = va_arg (ap, int);
f(&v3);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i32*
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = load i32, i32* [[P]]
// CHECK: store i32 [[V1]], i32* [[V:%[a-z0-9]+]], align 4
// CHECK: [[V2:%[a-z0-9]+]] = bitcast i32* [[V]] to i8*
// CHECK: call void @f(i8* noundef [[V2]])
long long int v4 = va_arg (ap, long long int);
f(&v4);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i64*
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 8
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = load i64, i64* [[P]]
// CHECK: store i64 [[V1]], i64* [[V:%[a-z0-9]+]], align 4
// CHECK:[[V2:%[a-z0-9]+]] = bitcast i64* [[V]] to i8*
// CHECK: call void @f(i8* noundef [[V2]])
struct x v5 = va_arg (ap, struct x); // typical aggregate type
f(&v5);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to %struct.x**
// CHECK: [[P:%[a-z0-9]+]] = load %struct.x*, %struct.x** [[I2]]
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = bitcast %struct.x* [[V:%[a-z0-9]+]] to i8*
// CHECK: [[P1:%[a-z0-9]+]] = bitcast %struct.x* [[P]] to i8*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[V1]], i8* align 4 [[P1]], i32 20, i1 false)
// CHECK: [[V2:%[a-z0-9]+]] = bitcast %struct.x* [[V]] to i8*
// CHECK: call void @f(i8* noundef [[V2]])
int* v6 = va_arg (ap, int[4]); // an unusual aggregate type
f(v6);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to [4 x i32]**
// CHECK: [[P:%[a-z0-9]+]] = load [4 x i32]*, [4 x i32]** [[I2]]
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 4
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = bitcast [4 x i32]* [[V0:%[a-z0-9]+]] to i8*
// CHECK: [[P1:%[a-z0-9]+]] = bitcast [4 x i32]* [[P]] to i8*
// CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 [[V1]], i8* align 4 [[P1]], i32 16, i1 false)
// CHECK: [[V2:%[a-z0-9]+]] = getelementptr inbounds [4 x i32], [4 x i32]* [[V0]], i32 0, i32 0
// CHECK: store i32* [[V2]], i32** [[V:%[a-z0-9]+]], align 4
// CHECK: [[V3:%[a-z0-9]+]] = load i32*, i32** [[V]], align 4
// CHECK: [[V4:%[a-z0-9]+]] = bitcast i32* [[V3]] to i8*
// CHECK: call void @f(i8* noundef [[V4]])
double v7 = va_arg (ap, double);
f(&v7);
// CHECK: [[I:%[a-z0-9]+]] = load i8*, i8** [[AP]]
// CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to double*
// CHECK: [[IN:%[a-z0-9]+]] = getelementptr inbounds i8, i8* [[I]], i32 8
// CHECK: store i8* [[IN]], i8** [[AP]]
// CHECK: [[V1:%[a-z0-9]+]] = load double, double* [[P]]
// CHECK: store double [[V1]], double* [[V:%[a-z0-9]+]], align 4
// CHECK: [[V2:%[a-z0-9]+]] = bitcast double* [[V]] to i8*
// CHECK: call void @f(i8* noundef [[V2]])
}
void testbuiltin (void) {
// CHECK-LABEL: testbuiltin
// CHECK: call i32 @llvm.xcore.getid()
// CHECK: call i32 @llvm.xcore.getps(i32 {{%[a-z0-9]+}})
// CHECK: call i32 @llvm.xcore.bitrev(i32 {{%[a-z0-9]+}})
// CHECK: call void @llvm.xcore.setps(i32 {{%[a-z0-9]+}}, i32 {{%[a-z0-9]+}})
volatile int i = __builtin_getid();
volatile unsigned int ui = __builtin_getps(i);
ui = __builtin_bitrev(ui);
__builtin_setps(i,ui);
// CHECK: store volatile i32 0, i32* {{%[a-z0-9]+}}, align 4
// CHECK: store volatile i32 1, i32* {{%[a-z0-9]+}}, align 4
// CHECK: store volatile i32 -1, i32* {{%[a-z0-9]+}}, align 4
volatile int res;
res = __builtin_eh_return_data_regno(0);
res = __builtin_eh_return_data_regno(1);
res = __builtin_eh_return_data_regno(2);
}
// CHECK-LABEL: define{{.*}} zeroext i8 @testchar()
// CHECK: ret i8 -1
char testchar (void) {
return (char)-1;
}
// CHECK: "frame-pointer"="none"
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