100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
// REQUIRES: arm-registered-target
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// RUN: %clang_cc1 -triple thumbv7-apple-darwin9 \
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// RUN: -target-abi aapcs \
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// RUN: -target-cpu cortex-a8 \
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// RUN: -mfloat-abi hard \
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// RUN: -ffreestanding \
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// RUN: -emit-llvm -w -o - %s | FileCheck %s
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// RUN: %clang_cc1 -triple armv7-unknown-nacl-gnueabi \
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// RUN: -target-cpu cortex-a8 \
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// RUN: -mfloat-abi hard \
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// RUN: -ffreestanding \
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// RUN: -emit-llvm -w -o - %s | FileCheck %s
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#include <arm_neon.h>
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struct homogeneous_struct {
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float f[2];
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float f3;
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float f4;
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};
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// CHECK: define arm_aapcs_vfpcc %struct.homogeneous_struct @test_struct(float %{{.*}}, float %{{.*}}, float %{{.*}}, float %{{.*}})
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extern struct homogeneous_struct struct_callee(struct homogeneous_struct);
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struct homogeneous_struct test_struct(struct homogeneous_struct arg) {
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return struct_callee(arg);
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}
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struct nested_array {
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double d[4];
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};
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// CHECK: define arm_aapcs_vfpcc void @test_array(double %{{.*}}, double %{{.*}}, double %{{.*}}, double %{{.*}})
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extern void array_callee(struct nested_array);
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void test_array(struct nested_array arg) {
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array_callee(arg);
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}
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extern void complex_callee(__complex__ double);
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// CHECK: define arm_aapcs_vfpcc void @test_complex(double %{{.*}}, double %{{.*}})
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void test_complex(__complex__ double cd) {
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complex_callee(cd);
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}
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// Long double is the same as double on AAPCS, it should be homogeneous.
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extern void complex_long_callee(__complex__ long double);
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// CHECK: define arm_aapcs_vfpcc void @test_complex_long(double %{{.*}}, double %{{.*}})
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void test_complex_long(__complex__ long double cd) {
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complex_callee(cd);
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}
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// Structs with more than 4 elements of the base type are not treated
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// as homogeneous aggregates. Test that.
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struct big_struct {
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float f1;
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float f[2];
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float f3;
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float f4;
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};
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// CHECK: define arm_aapcs_vfpcc void @test_big([5 x i32] %{{.*}})
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extern void big_callee(struct big_struct);
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void test_big(struct big_struct arg) {
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big_callee(arg);
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}
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// Make sure that aggregates with multiple base types are not treated as
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// homogeneous aggregates.
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struct heterogeneous_struct {
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float f1;
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int i2;
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};
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// CHECK: define arm_aapcs_vfpcc void @test_hetero([2 x i32] %{{.*}})
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extern void hetero_callee(struct heterogeneous_struct);
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void test_hetero(struct heterogeneous_struct arg) {
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hetero_callee(arg);
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}
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// Neon multi-vector types are homogeneous aggregates.
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// CHECK: define arm_aapcs_vfpcc <16 x i8> @f0(<16 x i8> %{{.*}}, <16 x i8> %{{.*}}, <16 x i8> %{{.*}}, <16 x i8> %{{.*}})
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int8x16_t f0(int8x16x4_t v4) {
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return vaddq_s8(v4.val[0], v4.val[3]);
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}
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// ...and it doesn't matter whether the vectors are exactly the same, as long
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// as they have the same size.
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struct neon_struct {
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int8x8x2_t v12;
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int32x2_t v3;
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int16x4_t v4;
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};
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// CHECK: define arm_aapcs_vfpcc void @test_neon(<8 x i8> %{{.*}}, <8 x i8> %{{.*}}, <2 x i32> %{{.*}}, <4 x i16> %{{.*}})
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extern void neon_callee(struct neon_struct);
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void test_neon(struct neon_struct arg) {
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neon_callee(arg);
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}
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// CHECK-LABEL: define arm_aapcs_vfpcc void @f33(%struct.s33* byval %s)
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struct s33 { char buf[32*32]; };
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void f33(struct s33 s) { }
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