forked from OSchip/llvm-project
141 lines
5.1 KiB
C
141 lines
5.1 KiB
C
// RUN: %clang_cc1 -triple wasm32-unknown-unknown %s -emit-llvm -o - \
|
|
// RUN: | FileCheck %s -check-prefix=WEBASSEMBLY32
|
|
// RUN: %clang_cc1 -triple wasm64-unknown-unknown %s -emit-llvm -o - \
|
|
// RUN: | FileCheck %s -check-prefix=WEBASSEMBLY64
|
|
// RUN: %clang_cc1 -triple wasm32-unknown-unknown %s -target-abi experimental-mv -emit-llvm -o - \
|
|
// RUN: | FileCheck %s -check-prefix=EXPERIMENTAL-MV
|
|
|
|
// Basic argument/attribute and return tests for WebAssembly
|
|
|
|
// WEBASSEMBLY32: define void @misc_args(i32 %i, i32 %j, i64 %k, double %l, fp128 %m)
|
|
// WEBASSEMBLY64: define void @misc_args(i32 %i, i64 %j, i64 %k, double %l, fp128 %m)
|
|
void misc_args(int i, long j, long long k, double l, long double m) {}
|
|
|
|
typedef struct {
|
|
int aa;
|
|
int bb;
|
|
} s1;
|
|
|
|
// Structs should be passed byval and not split up.
|
|
// WEBASSEMBLY32: define void @struct_arg(%struct.s1* byval(%struct.s1) align 4 %i)
|
|
// WEBASSEMBLY64: define void @struct_arg(%struct.s1* byval(%struct.s1) align 4 %i)
|
|
|
|
// Except in the experimental multivalue ABI, where structs are passed in args
|
|
// EXPERIMENTAL-MV: define void @struct_arg(i32 %i.0, i32 %i.1)
|
|
void struct_arg(s1 i) {}
|
|
|
|
// Structs should be returned sret and not simplified by the frontend.
|
|
// WEBASSEMBLY32: define void @struct_ret(%struct.s1* noalias sret align 4 %agg.result)
|
|
// WEBASSEMBLY32: ret void
|
|
// WEBASSEMBLY64: define void @struct_ret(%struct.s1* noalias sret align 4 %agg.result)
|
|
// WEBASSEMBLY64: ret void
|
|
|
|
// Except with the experimental multivalue ABI, which returns structs by value
|
|
// EXPERIMENTAL-MV: define %struct.s1 @struct_ret()
|
|
// EXPERIMENTAL-MV: ret %struct.s1 %0
|
|
s1 struct_ret() {
|
|
s1 foo;
|
|
return foo;
|
|
}
|
|
|
|
typedef struct {
|
|
int cc;
|
|
} s2;
|
|
|
|
// Single-element structs should be passed as the one element.
|
|
// WEBASSEMBLY32: define void @single_elem_arg(i32 %i.coerce)
|
|
// WEBASSEMBLY64: define void @single_elem_arg(i32 %i.coerce)
|
|
// EXPERIMENTAL-MV: define void @single_elem_arg(i32 %i.coerce)
|
|
void single_elem_arg(s2 i) {}
|
|
|
|
// Single-element structs should be passed as the one element.
|
|
// WEBASSEMBLY32: define i32 @single_elem_ret()
|
|
// WEBASSEMBLY32: ret i32
|
|
// WEBASSEMBLY64: define i32 @single_elem_ret()
|
|
// EXPERIMENTAL-MV: define i32 @single_elem_ret()
|
|
s2 single_elem_ret() {
|
|
s2 foo;
|
|
return foo;
|
|
}
|
|
|
|
// WEBASSEMBLY32: define void @long_long_arg(i64 %i)
|
|
// WEBASSEMBLY64: define void @long_long_arg(i64 %i)
|
|
void long_long_arg(long long i) {}
|
|
|
|
// i8/i16 should be signext, i32 and higher should not.
|
|
// WEBASSEMBLY32: define void @char_short_arg(i8 signext %a, i16 signext %b)
|
|
// WEBASSEMBLY64: define void @char_short_arg(i8 signext %a, i16 signext %b)
|
|
void char_short_arg(char a, short b) {}
|
|
|
|
// WEBASSEMBLY32: define void @uchar_ushort_arg(i8 zeroext %a, i16 zeroext %b)
|
|
// WEBASSEMBLY64: define void @uchar_ushort_arg(i8 zeroext %a, i16 zeroext %b)
|
|
void uchar_ushort_arg(unsigned char a, unsigned short b) {}
|
|
|
|
enum my_enum {
|
|
ENUM1,
|
|
ENUM2,
|
|
ENUM3,
|
|
};
|
|
|
|
// Enums should be treated as the underlying i32.
|
|
// WEBASSEMBLY32: define void @enum_arg(i32 %a)
|
|
// WEBASSEMBLY64: define void @enum_arg(i32 %a)
|
|
void enum_arg(enum my_enum a) {}
|
|
|
|
enum my_big_enum {
|
|
ENUM4 = 0xFFFFFFFFFFFFFFFF,
|
|
};
|
|
|
|
// Big enums should be treated as the underlying i64.
|
|
// WEBASSEMBLY32: define void @big_enum_arg(i64 %a)
|
|
// WEBASSEMBLY64: define void @big_enum_arg(i64 %a)
|
|
void big_enum_arg(enum my_big_enum a) {}
|
|
|
|
union simple_union {
|
|
int a;
|
|
char b;
|
|
};
|
|
|
|
// Unions should be passed as byval structs.
|
|
// WEBASSEMBLY32: define void @union_arg(%union.simple_union* byval(%union.simple_union) align 4 %s)
|
|
// WEBASSEMBLY64: define void @union_arg(%union.simple_union* byval(%union.simple_union) align 4 %s)
|
|
// EXPERIMENTAL-MV: define void @union_arg(i32 %s.0)
|
|
void union_arg(union simple_union s) {}
|
|
|
|
// Unions should be returned sret and not simplified by the frontend.
|
|
// WEBASSEMBLY32: define void @union_ret(%union.simple_union* noalias sret align 4 %agg.result)
|
|
// WEBASSEMBLY32: ret void
|
|
// WEBASSEMBLY64: define void @union_ret(%union.simple_union* noalias sret align 4 %agg.result)
|
|
// WEBASSEMBLY64: ret void
|
|
|
|
// The experimental multivalue ABI returns them by value, though.
|
|
// EXPERIMENTAL-MV: define %union.simple_union @union_ret()
|
|
// EXPERIMENTAL-MV: ret %union.simple_union %0
|
|
union simple_union union_ret() {
|
|
union simple_union bar;
|
|
return bar;
|
|
}
|
|
|
|
typedef struct {
|
|
int b4 : 4;
|
|
int b3 : 3;
|
|
int b8 : 8;
|
|
} bitfield1;
|
|
|
|
// Bitfields should be passed as byval structs.
|
|
// WEBASSEMBLY32: define void @bitfield_arg(%struct.bitfield1* byval(%struct.bitfield1) align 4 %bf1)
|
|
// WEBASSEMBLY64: define void @bitfield_arg(%struct.bitfield1* byval(%struct.bitfield1) align 4 %bf1)
|
|
// EXPERIMENTAL-MV: define void @bitfield_arg(%struct.bitfield1* byval(%struct.bitfield1) align 4 %bf1)
|
|
void bitfield_arg(bitfield1 bf1) {}
|
|
|
|
// And returned via sret pointers.
|
|
// WEBASSEMBLY32: define void @bitfield_ret(%struct.bitfield1* noalias sret align 4 %agg.result)
|
|
// WEBASSEMBLY64: define void @bitfield_ret(%struct.bitfield1* noalias sret align 4 %agg.result)
|
|
|
|
// Except, of course, in the experimental multivalue ABI
|
|
// EXPERIMENTAL-MV: define %struct.bitfield1 @bitfield_ret()
|
|
bitfield1 bitfield_ret() {
|
|
bitfield1 baz;
|
|
return baz;
|
|
}
|