forked from OSchip/llvm-project
136 lines
3.8 KiB
C
136 lines
3.8 KiB
C
// RUN: %clang_cc1 -triple arc-unknown-unknown %s -emit-llvm -o - \
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// RUN: | FileCheck %s
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// Basic argument tests for ARC.
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// CHECK: define void @f0(i32 inreg %i, i32 inreg %j, i64 inreg %k)
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void f0(int i, long j, long long k) {}
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typedef struct {
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int aa;
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int bb;
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} s1;
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// CHECK: define void @f1(i32 inreg %i.coerce0, i32 inreg %i.coerce1)
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void f1(s1 i) {}
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typedef struct {
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char aa; char bb; char cc; char dd;
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} cs1;
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// CHECK: define void @cf1(i32 inreg %i.coerce)
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void cf1(cs1 i) {}
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typedef struct {
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int cc;
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} s2;
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// CHECK: define void @f2(%struct.s2* noalias sret %agg.result)
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s2 f2() {
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s2 foo;
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return foo;
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}
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typedef struct {
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int cc;
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int dd;
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} s3;
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// CHECK: define void @f3(%struct.s3* noalias sret %agg.result)
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s3 f3() {
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s3 foo;
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return foo;
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}
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// CHECK: define void @f4(i64 inreg %i)
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void f4(long long i) {}
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// CHECK: define void @f5(i8 inreg signext %a, i16 inreg signext %b)
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void f5(signed char a, short b) {}
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// CHECK: define void @f6(i8 inreg zeroext %a, i16 inreg zeroext %b)
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void f6(unsigned char a, unsigned short b) {}
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enum my_enum {
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ENUM1,
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ENUM2,
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ENUM3,
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};
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// Enums should be treated as the underlying i32.
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// CHECK: define void @f7(i32 inreg %a)
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void f7(enum my_enum a) {}
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enum my_big_enum {
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ENUM4 = 0xFFFFFFFFFFFFFFFF,
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};
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// Big enums should be treated as the underlying i64.
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// CHECK: define void @f8(i64 inreg %a)
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void f8(enum my_big_enum a) {}
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union simple_union {
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int a;
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char b;
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};
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// Unions should be passed inreg.
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// CHECK: define void @f9(i32 inreg %s.coerce)
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void f9(union simple_union s) {}
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typedef struct {
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int b4 : 4;
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int b3 : 3;
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int b8 : 8;
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} bitfield1;
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// Bitfields should be passed inreg.
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// CHECK: define void @f10(i32 inreg %bf1.coerce)
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void f10(bitfield1 bf1) {}
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// CHECK: define inreg { float, float } @cplx1(float inreg %r)
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_Complex float cplx1(float r) {
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return r + 2.0fi;
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}
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// CHECK: define inreg { double, double } @cplx2(double inreg %r)
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_Complex double cplx2(double r) {
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return r + 2.0i;
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}
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// CHECK: define inreg { i32, i32 } @cplx3(i32 inreg %r)
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_Complex int cplx3(int r) {
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return r + 2i;
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}
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// CHECK: define inreg { i64, i64 } @cplx4(i64 inreg %r)
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_Complex long long cplx4(long long r) {
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return r + 2i;
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}
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// CHECK: define inreg { i8, i8 } @cplx6(i8 inreg signext %r)
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_Complex signed char cplx6(signed char r) {
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return r + 2i;
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}
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// CHECK: define inreg { i16, i16 } @cplx7(i16 inreg signext %r)
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_Complex short cplx7(short r) {
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return r + 2i;
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}
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typedef struct {
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int aa; int bb;
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} s8;
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typedef struct {
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int aa; int bb; int cc; int dd;
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} s16;
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// Use 16-byte struct 2 times, gets 8 registers.
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void st2(s16 a, s16 b) {}
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// CHECK: define void @st2(i32 inreg %a.coerce0, i32 inreg %a.coerce1, i32 inreg %a.coerce2, i32 inreg %a.coerce3, i32 inreg %b.coerce0, i32 inreg %b.coerce1, i32 inreg %b.coerce2, i32 inreg %b.coerce3)
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// Use 8-byte struct 3 times, gets 8 registers, 1 byval struct argument.
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void st3(s16 a, s16 b, s16 c) {}
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// CHECK: define void @st3(i32 inreg %a.coerce0, i32 inreg %a.coerce1, i32 inreg %a.coerce2, i32 inreg %a.coerce3, i32 inreg %b.coerce0, i32 inreg %b.coerce1, i32 inreg %b.coerce2, i32 inreg %b.coerce3, { i32, i32, i32, i32 } %c.coerce)
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// 1 sret + 1 i32 + 2*(i32 coerce) + 4*(i32 coerce) + 1 byval
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s16 st4(int x, s8 a, s16 b, s16 c) { return b; }
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// CHECK: define void @st4(%struct.s16* noalias sret %agg.result, i32 inreg %x, i32 inreg %a.coerce0, i32 inreg %a.coerce1, i32 inreg %b.coerce0, i32 inreg %b.coerce1, i32 inreg %b.coerce2, i32 inreg %b.coerce3, { i32, i32, i32, i32 } %c.coerce)
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// 1 sret + 2*(i32 coerce) + 4*(i32 coerce) + 4*(i32 coerce)
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s16 st5(s8 a, s16 b, s16 c) { return b; }
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// CHECK: define void @st5(%struct.s16* noalias sret %agg.result, i32 inreg %a.coerce0, i32 inreg %a.coerce1, i32 inreg %b.coerce0, i32 inreg %b.coerce1, i32 inreg %b.coerce2, i32 inreg %b.coerce3, { i32, i32, i32, i32 } %c.coerce)
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