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2683 Commits

Author SHA1 Message Date
Andrew Kelley
eb8a132d23
var types, alignment, and comptime 2019-06-03 17:46:58 -04:00
Andrew Kelley
735543d502
add missing ir_expr_wrap calls 2019-06-03 15:44:53 -04:00
Andrew Kelley
ccce3d8526
no-copy semantics for function forwarding 
```zig
fn foo() Foo {
    return bar();
}
```

```llvm
define internal fastcc void @foo(%Foo* nonnull sret) unnamed_addr #2 !dbg !48 {
Entry:
  call fastcc void @bar(%Foo* sret %0), !dbg !52
  ret void, !dbg !54
}
```
 2019-05-31 01:36:57 -04:00
Andrew Kelley
461382ae94
no-copy semantics for function call init var and literal 
```zig
export fn entry() void {
    var x = foo();
}
const Foo = struct {
    x: i32,
};
fn foo() Foo {
    return Foo{
        .x = 1234,
    };
}
```

```llvm
define void @entry() #2 !dbg !35 {
Entry:
  %x = alloca %Foo, align 4
  call fastcc void @foo(%Foo* sret %x), !dbg !45
  call void @llvm.dbg.declare(metadata %Foo* %x, metadata !39, metadata !DIExpression()), !dbg !46
  ret void, !dbg !47
}
define internal fastcc void @foo(%Foo* nonnull sret) unnamed_addr #2 !dbg !48 {
Entry:
  %1 = bitcast %Foo* %0 to i8*, !dbg !52
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 bitcast (%Foo* @0 to i8*), i64 4, i1 false), !dbg !52
  ret void, !dbg !52
}
```
 2019-05-31 01:08:16 -04:00
Andrew Kelley
8aba0643a5
peer result locations with mixed runtime/comptime 
```zig
export fn entry() void {
    var c = true;
    var a = u8(4);
    const x = if (c) a else u32(8);
}
```

```llvm
define void @entry() #2 !dbg !35 {
Entry:
  %c = alloca i1, align 1
  %a = alloca i8, align 1
  %x = alloca i32, align 4
  store i1 true, i1* %c, align 1, !dbg !45
  call void @llvm.dbg.declare(metadata i1* %c, metadata !39, metadata !DIExpression()), !dbg !46
  store i8 4, i8* %a, align 1, !dbg !47
  call void @llvm.dbg.declare(metadata i8* %a, metadata !42, metadata !DIExpression()), !dbg !48
  %0 = load i1, i1* %c, align 1, !dbg !49
  br i1 %0, label %Then, label %Else, !dbg !49

Then:                                             ; preds = %Entry
  %1 = load i8, i8* %a, align 1, !dbg !50
  %2 = zext i8 %1 to i32, !dbg !50
  br label %EndIf, !dbg !51

Else:                                             ; preds = %Entry
  br label %EndIf, !dbg !51

EndIf:                                            ; preds = %Else, %Then
  %3 = phi i32 [ %2, %Then ], [ 8, %Else ], !dbg !51
  store i32 %3, i32* %x, align 4, !dbg !51
  call void @llvm.dbg.declare(metadata i32* %x, metadata !43, metadata !DIExpression()), !dbg !52
  ret void, !dbg !53
}
```
 2019-05-31 00:54:10 -04:00
Andrew Kelley
3702c278e3
local consts with comptime init exprs 
```zig
export fn entry() void {
    const x = if (true) u8(4) else u32(8);
}
```

```llvm
define void @entry() #2 !dbg !35 {
Entry:
  call void @llvm.dbg.declare(metadata i8* @0, metadata !39, metadata !DIExpression()), !dbg !41
  ret void, !dbg !42
}
```
 2019-05-31 00:22:12 -04:00
Andrew Kelley
95d9835898
no-copy semantics for nested if 
```zig
export fn entry() void {
    var c = true;
    var x = if (c) u8(4) else if (c) u16(100) else u32(10);
}
```

```llvm
define void @entry() #2 !dbg !35 {
Entry:
  %c = alloca i1, align 1
  %x = alloca i32, align 4
  store i1 true, i1* %c, align 1, !dbg !44
  call void @llvm.dbg.declare(metadata i1* %c, metadata !39, metadata !DIExpression()), !dbg !45
  %0 = load i1, i1* %c, align 1, !dbg !46
  br i1 %0, label %Then2, label %Else, !dbg !46

Else:                                             ; preds = %Entry
  %1 = load i1, i1* %c, align 1, !dbg !47
  br i1 %1, label %Then, label %Else1, !dbg !47

Then:                                             ; preds = %Else
  br label %EndIf, !dbg !48

Else1:                                            ; preds = %Else
  br label %EndIf, !dbg !48

Then2:                                            ; preds = %Entry
  br label %EndIf3, !dbg !49

EndIf:                                            ; preds = %Else1, %Then
  %2 = phi i32 [ 100, %Then ], [ 10, %Else1 ], !dbg !48
  br label %EndIf3, !dbg !49

EndIf3:                                           ; preds = %EndIf, %Then2
  %3 = phi i32 [ 4, %Then2 ], [ %2, %EndIf ], !dbg !49
  store i32 %3, i32* %x, align 4, !dbg !49
  call void @llvm.dbg.declare(metadata i32* %x, metadata !42, metadata !DIExpression()), !dbg !50
  ret void, !dbg !51
}
```
 2019-05-30 23:25:37 -04:00
Andrew Kelley
a4aca78722
no-copy semantics for if expr 
```zig
export fn entry() void {
    var c = true;
    var x = if (c) u8(4) else u32(10);
}
```

```llvm
define void @entry() #2 !dbg !35 {
Entry:
  %c = alloca i1, align 1
  %x = alloca i32, align 4
  store i1 true, i1* %c, align 1, !dbg !44
  call void @llvm.dbg.declare(metadata i1* %c, metadata !39, metadata !DIExpression()), !dbg !45
  %0 = load i1, i1* %c, align 1, !dbg !46
  br i1 %0, label %Then, label %Else, !dbg !46

Then:                                             ; preds = %Entry
  br label %EndIf, !dbg !47

Else:                                             ; preds = %Entry
  br label %EndIf, !dbg !47

EndIf:                                            ; preds = %Else, %Then
  %1 = phi i32 [ 4, %Then ], [ 10, %Else ], !dbg !47
  store i32 %1, i32* %x, align 4, !dbg !47
  call void @llvm.dbg.declare(metadata i32* %x, metadata !42, metadata !DIExpression()), !dbg !48
  ret void, !dbg !49
}
```
 2019-05-30 23:16:11 -04:00
Andrew Kelley
5e1003bc81
no-copy semantics for basic runtime function call variable init 
```zig
export fn entry() void {
    var x: Foo = foo();
}
```

```llvm
define void @entry() #2 !dbg !37 {
Entry:
  %x = alloca %Foo, align 4
  call fastcc void @foo(%Foo* sret %x), !dbg !48
  call void @llvm.dbg.declare(metadata %Foo* %x, metadata !41, metadata !DIExpression()), !dbg !49
  ret void, !dbg !50
}
```
 2019-05-30 17:11:14 -04:00
Andrew Kelley
78f32259da
default struct field initialization expressions 
closes #485
 2019-05-30 15:46:11 -04:00
Andrew Kelley
5954d5235f
Merge pull request #2182 from mikdusan/issue.2046 
new .d file parser for stage1 compiler
 2019-05-30 11:53:08 -04:00
tgschultz
f9e7bd2682 std.meta/trait: def/definition => decl/declaration 
TypeInfo: defs/Definition => decls/Declarations
 2019-05-29 20:43:07 -04:00
Shawn Landden
4188faeac5 stage1: AstNodes cannot be casted, but are rather accessed via a union. 
Unlike IrInstruction[Foo]s, which all start with:
    IrInstruction base;
AstNodes do not work like this, and instead use a pointer to their
specializations. The code assumed otherwise.
 2019-05-29 20:21:07 -04:00
Andrew Kelley
b7a82288ad
change use to usingnamespace 
See #2014

`use` syntax is still accepted for now. `zig fmt` automatically
updates code. After a release cycle the old syntax will be removed.
 2019-05-29 19:09:58 -04:00
Andrew Kelley
9a7cf73b3b
main: set subsystem in zig builtin when explicitly provided 2019-05-29 18:18:18 -04:00
Andrew Kelley
3819654c39
codegen: initialize subsystem 2019-05-29 16:55:02 -04:00
Andrew Kelley
1ab0ac3ea2
cleanups for windows subsystem in builtin.zig 2019-05-29 16:55:02 -04:00
emekoi
b461e600e2
set subsystem to null if not on windows or uefi 2019-05-29 16:55:01 -04:00
emekoi
6bc5b07e3e
try to resolve TargetSubSystemAuto to actual subsystem 2019-05-29 16:55:01 -04:00
emekoi
fb5dc28921
added subsystem to builtin.zig 2019-05-29 16:54:59 -04:00
Andrew Kelley
1ccbd1fb67
use works on unions and enums in addition to structs 2019-05-29 16:31:49 -04:00
Andrew Kelley
9891c4f30d
Merge branch 'use-struct-pt2' of https://github.com/LemonBoy/zig into LemonBoy-use-struct-pt2 2019-05-29 15:48:49 -04:00
Michael Dusan
2975bdc684
add review changes 
- use std.heap.c_allocator
- use @panic instead of unreachable
- use extern enum for tokenizer result type
 2019-05-29 14:39:13 -04:00
Andrew Kelley
b66438eb80
no "use of undeclared identifer" in dead comptime branches 2019-05-28 18:19:27 -04:00
LemonBoy
528c151a55 Reject undefined as type 
Make analyze_type_expr behave like ir_resolve_type when the user tries
to use `undefined` as a type.

Closes #2436
 2019-05-28 18:02:57 -04:00
LemonBoy
a169d844c7 Warn the user if run/test is paired with emit options 2019-05-28 17:50:28 -04:00
LemonBoy
048169cbea Avoid a crash when there are no namespace components 
Fixes #2500
 2019-05-28 17:49:37 -04:00
Andrew Kelley
9d16839420
fix invalid LLVM IR generated for ?*void const casts 
closes #2578
 2019-05-28 16:11:36 -04:00
LemonBoy
e2c2263434 Move __zig_fail_unwrap locals on stack 2019-05-28 13:02:45 -04:00
emekoi
3f302594b8 respect subsystem flag in all cases 2019-05-27 22:15:33 -04:00
Andrew Kelley
f924fbddcf
Merge pull request #2552 from Sahnvour/issue-2543 
gen-h: do not output visibility macros when the build is static
 2019-05-27 21:51:34 -04:00
Andrew Kelley
2c0280ba08
improve the stack check CLI options 
See #2526
 2019-05-27 20:59:19 -04:00
Michael Dusan
d4b241c14e
new .d file parser for C compilation 
- wip for #2046
- clang .d output must be created with `clang -MV` switch
- implemented in Zig
- hybridized for zig stage0 and stage1
- zig test src-self-hosted/dep_tokenizer.zig
 2019-05-27 19:47:10 -04:00
Andrew Kelley
f68d8060ec
Merge pull request #2526 from LemonBoy/arch-format-osx 
Build archives using the K_DARWIN format when targeting osx
 2019-05-27 19:25:58 -04:00
Andrew Kelley
df7aa9a4f0
allow implicit optional pointer to optional c_void pointer 2019-05-26 17:55:20 -04:00
Andrew Kelley
269a53b6af
introduce @hasDecl builtin function 
closes #1439
 2019-05-26 16:21:03 -04:00
Andrew Kelley
21ed939117
support enum literals implicit casting to tagged unions 2019-05-26 12:59:30 -04:00
Sahnvour
99ee0608f7 gen-h: do not output visibility macros when the build is static 2019-05-25 14:17:59 +02:00
LemonBoy
86b3007b94
Reject slices in use expressions 
Co-Authored-By: emekoi <emekankurumeh@outlook.com>
 2019-05-24 13:20:44 +02:00
LemonBoy
f67ca20655 Make use work with arbitrary structs 2019-05-21 17:07:40 +02:00
LemonBoy
7987202243 Fix signedness mismatch in comparison 2019-05-20 23:14:49 +02:00
LemonBoy
266b2de150 Remove macos-specific linking hacks 2019-05-20 23:09:25 +02:00
LemonBoy
f5657b5552 Build archives using the K_DARWIN format when targeting osx 2019-05-20 17:04:00 +02:00
LemonBoy
6672ee9eb3 Fix too eager comptime evaluation of error ptr 2019-05-19 15:53:32 -04:00
LemonBoy
b660134a18 Use the correct scope for use 
use expressions outside the top-level scope now work as intended.
 2019-05-19 00:32:49 -04:00
LemonBoy
0a3aec020a Fix load/store of non-integer fields in packed struct 2019-05-18 19:59:47 -04:00
Andrew Kelley
2eba779af5
stage1 tokenizer: add more missing break statements 2019-05-16 16:50:24 -04:00
SamTebbs33
87901baa28 Add break after digit_value check in TokenizeStateCharCode 2019-05-16 16:49:26 -04:00
Andrew Kelley
80983ca1ca
fixups to the previous commit 2019-05-16 16:37:58 -04:00
Shawn Landden
1fdb24827f
breaking changes to all bit manipulation intrinsics 
* `@clz`, `@ctz`, `@popCount`, `@bswap`, `@bitreverse` now
   have a type parameter
 * rename @bitreverse to @bitReverse
 * rename @bswap to @byteSwap

Closes #2119
Closes #2120
 2019-05-16 16:37:58 -04:00