1 files changed, 129 insertions, 0 deletions
diff --git a/test/CodeGen/xcore-abi.c b/test/CodeGen/xcore-abi.c
new file mode 100644
index 0000000..10881de
--- /dev/null
+++ b/test/CodeGen/xcore-abi.c
@@ -0,0 +1,129 @@
+// RUN: %clang_cc1 -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 -triple xcore-unknown-unknown -fno-signed-char -fno-common -emit-llvm -o - %s | FileCheck %s
+
+// CHECK: target datalayout = "e-p:32:32:32-a0:0:32-n32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f16:16:32-f32:32:32-f64:32:32"
+// CHECK: target triple = "xcore-unknown-unknown"
+
+// CHECK: @g1 = global i32 0, align 4
+int g1;
+
+#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** [[AP]]
+  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i8**
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
+  // CHECK: store i8* [[IN]], i8** [[AP]]
+  // CHECK: [[V1:%[a-z0-9]+]] = load i8** [[P]]
+  // CHECK: store i8* [[V1]], i8** [[V:%[a-z0-9]+]], align 4
+  // CHECK: [[V2:%[a-z0-9]+]] = load i8** [[V]], align 4
+  // CHECK: call void @f(i8* [[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** [[AP]]
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
+  // CHECK: store i8* [[IN]], i8** [[AP]]
+  // CHECK: [[V1:%[a-z0-9]+]] = load i8* [[I]]
+  // CHECK: store i8 [[V1]], i8* [[V:%[a-z0-9]+]], align 1
+  // CHECK: call void @f(i8* [[V]])
+
+  int v3 = va_arg (ap, int);
+  f(&v3);
+  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
+  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i32*
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 4
+  // CHECK: store i8* [[IN]], i8** [[AP]]
+  // CHECK: [[V1:%[a-z0-9]+]] = load 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* [[V2]])
+
+  long long int v4 = va_arg (ap, long long int);
+  f(&v4);
+  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
+  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to i64*
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 8
+  // CHECK: store i8* [[IN]], i8** [[AP]]
+  // CHECK: [[V1:%[a-z0-9]+]] = load 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* [[V2]])
+
+  struct x v5 = va_arg (ap, struct x);  // typical agregate type
+  f(&v5);
+  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
+  // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to %struct.x**
+  // CHECK: [[P:%[a-z0-9]+]] = load %struct.x** [[I2]]
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr 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* [[V1]], i8* [[P1]], i32 20, i32 4, i1 false)
+  // CHECK: [[V2:%[a-z0-9]+]] = bitcast %struct.x* [[V]] to i8*
+  // CHECK: call void @f(i8* [[V2]])
+
+  int* v6 = va_arg (ap, int[4]);  // an unusual agregate type
+  f(v6);
+  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
+  // CHECK: [[I2:%[a-z0-9]+]] = bitcast i8* [[I]] to [4 x i32]**
+  // CHECK: [[P:%[a-z0-9]+]] = load [4 x i32]** [[I2]]
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr 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* [[V1]], i8* [[P1]], i32 16, i32 4, i1 false)
+  // CHECK: [[V2:%[a-z0-9]+]] = getelementptr inbounds [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** [[V]], align 4
+  // CHECK: [[V4:%[a-z0-9]+]] = bitcast i32* [[V3]] to i8*
+  // CHECK: call void @f(i8* [[V4]])
+
+  double v7 = va_arg (ap, double);
+  f(&v7);
+  // CHECK: [[I:%[a-z0-9]+]] = load i8** [[AP]]
+  // CHECK: [[P:%[a-z0-9]+]] = bitcast i8* [[I]] to double*
+  // CHECK: [[IN:%[a-z0-9]+]] = getelementptr i8* [[I]], i32 8
+  // CHECK: store i8* [[IN]], i8** [[AP]]
+  // CHECK: [[V1:%[a-z0-9]+]] = load 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* [[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]+}})
+  int i = __builtin_getid();
+  unsigned int ui = __builtin_getps(i);
+  ui = __builtin_bitrev(ui);
+  __builtin_setps(i,ui);
+}
+
+// CHECK-LABEL: define zeroext i8 @testchar()
+// CHECK: ret i8 -1
+char testchar (void) {
+  return (char)-1;
+}
+
+// CHECK: "no-frame-pointer-elim"="false"
+// CHECK-NOT: "no-frame-pointer-elim-non-leaf"