From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/CodeGen/arm-homogenous.c | 160 ++++++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 clang/test/CodeGen/arm-homogenous.c (limited to 'clang/test/CodeGen/arm-homogenous.c') diff --git a/clang/test/CodeGen/arm-homogenous.c b/clang/test/CodeGen/arm-homogenous.c new file mode 100644 index 0000000..eb3d5a6 --- /dev/null +++ b/clang/test/CodeGen/arm-homogenous.c @@ -0,0 +1,160 @@ +// RUN: %clang_cc1 -triple armv7---eabi -target-abi aapcs -mfloat-abi hard -emit-llvm %s -o - | FileCheck %s + +typedef long long int64_t; +typedef unsigned int uint32_t; + +/* This is not a homogenous aggregate - fundamental types are different */ +typedef union { + float f[4]; + uint32_t i[4]; +} union_with_first_floats; +union_with_first_floats g_u_f; + +extern void takes_union_with_first_floats(union_with_first_floats a); +extern union_with_first_floats returns_union_with_first_floats(void); + +void test_union_with_first_floats(void) { + takes_union_with_first_floats(g_u_f); +} +// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_first_floats([4 x i32]) + +void test_return_union_with_first_floats(void) { + g_u_f = returns_union_with_first_floats(); +} +// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_first_floats(%union.union_with_first_floats* sret) + +/* This is not a homogenous aggregate - fundamental types are different */ +typedef union { + uint32_t i[4]; + float f[4]; +} union_with_non_first_floats; +union_with_non_first_floats g_u_nf_f; + +extern void takes_union_with_non_first_floats(union_with_non_first_floats a); +extern union_with_non_first_floats returns_union_with_non_first_floats(void); + +void test_union_with_non_first_floats(void) { + takes_union_with_non_first_floats(g_u_nf_f); +} +// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_non_first_floats([4 x i32]) + +void test_return_union_with_non_first_floats(void) { + g_u_nf_f = returns_union_with_non_first_floats(); +} +// CHECK: declare arm_aapcs_vfpcc void @returns_union_with_non_first_floats(%union.union_with_non_first_floats* sret) + +/* This is not a homogenous aggregate - fundamental types are different */ +typedef struct { + float a; + union_with_first_floats b; +} struct_with_union_with_first_floats; +struct_with_union_with_first_floats g_s_f; + +extern void takes_struct_with_union_with_first_floats(struct_with_union_with_first_floats a); +extern struct_with_union_with_first_floats returns_struct_with_union_with_first_floats(void); + +void test_struct_with_union_with_first_floats(void) { + takes_struct_with_union_with_first_floats(g_s_f); +} +// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_first_floats([5 x i32]) + +void test_return_struct_with_union_with_first_floats(void) { + g_s_f = returns_struct_with_union_with_first_floats(); +} +// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_first_floats(%struct.struct_with_union_with_first_floats* sret) + +/* This is not a homogenous aggregate - fundamental types are different */ +typedef struct { + float a; + union_with_non_first_floats b; +} struct_with_union_with_non_first_floats; +struct_with_union_with_non_first_floats g_s_nf_f; + +extern void takes_struct_with_union_with_non_first_floats(struct_with_union_with_non_first_floats a); +extern struct_with_union_with_non_first_floats returns_struct_with_union_with_non_first_floats(void); + +void test_struct_with_union_with_non_first_floats(void) { + takes_struct_with_union_with_non_first_floats(g_s_nf_f); +} +// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_union_with_non_first_floats([5 x i32]) + +void test_return_struct_with_union_with_non_first_floats(void) { + g_s_nf_f = returns_struct_with_union_with_non_first_floats(); +} +// CHECK: declare arm_aapcs_vfpcc void @returns_struct_with_union_with_non_first_floats(%struct.struct_with_union_with_non_first_floats* sret) + +/* Plain array is not a homogenous aggregate */ +extern void takes_array_of_floats(float a[4]); +void test_array_of_floats(void) { + float a[4] = {1.0, 2.0, 3.0, 4.0}; + takes_array_of_floats(a); +} +// CHECK: declare arm_aapcs_vfpcc void @takes_array_of_floats(float*) + +/* Struct-type homogenous aggregate */ +typedef struct { + float x, y, z, w; +} struct_with_fundamental_elems; +struct_with_fundamental_elems g_s; + +extern void takes_struct_with_fundamental_elems(struct_with_fundamental_elems a); +extern struct_with_fundamental_elems returns_struct_with_fundamental_elems(void); + +void test_struct_with_fundamental_elems(void) { + takes_struct_with_fundamental_elems(g_s); +// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float{{.*}}, float {{.*}}) +} +// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_fundamental_elems(float, float, float, float) + +void test_return_struct_with_fundamental_elems(void) { + g_s = returns_struct_with_fundamental_elems(); +// CHECK: call arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems() +} +// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_fundamental_elems @returns_struct_with_fundamental_elems() + +/* Array-type homogenous aggregate */ +typedef struct { + float xyzw[4]; +} struct_with_array; +struct_with_array g_s_a; + +extern void takes_struct_with_array(struct_with_array a); +extern struct_with_array returns_struct_with_array(void); + +void test_struct_with_array(void) { + takes_struct_with_array(g_s_a); +// CHECK: call arm_aapcs_vfpcc void @takes_struct_with_array(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}}) +} +// CHECK: declare arm_aapcs_vfpcc void @takes_struct_with_array(float, float, float, float) + +void test_return_struct_with_array(void) { + g_s_a = returns_struct_with_array(); +// CHECK: call arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array() +} +// CHECK: declare arm_aapcs_vfpcc %struct.struct_with_array @returns_struct_with_array() + +/* This union is a homogenous aggregate. Check that it's passed properly */ +typedef union { + struct_with_fundamental_elems xyzw; + float a[3]; +} union_with_struct_with_fundamental_elems; +union_with_struct_with_fundamental_elems g_u_s_fe; + +extern void takes_union_with_struct_with_fundamental_elems(union_with_struct_with_fundamental_elems a); +extern union_with_struct_with_fundamental_elems returns_union_with_struct_with_fundamental_elems(void); + +void test_union_with_struct_with_fundamental_elems(void) { + takes_union_with_struct_with_fundamental_elems(g_u_s_fe); +// CHECK: call arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float {{.*}}, float {{.*}}, float {{.*}}, float {{.*}}) +} +// CHECK: declare arm_aapcs_vfpcc void @takes_union_with_struct_with_fundamental_elems(float, float, float, float) + +void test_return_union_with_struct_with_fundamental_elems(void) { + g_u_s_fe = returns_union_with_struct_with_fundamental_elems(); +// CHECK: call arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems() +} +// CHECK: declare arm_aapcs_vfpcc %union.union_with_struct_with_fundamental_elems @returns_union_with_struct_with_fundamental_elems() + +// FIXME: Tests necessary: +// - Vectors +// - C++ stuff \ No newline at end of file -- cgit v1.2.3