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