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It used to be that usingnamespace was only allowed at top level. This
made it OK to put the state inside the AST node data structure. However,
now usingnamespace can occur inside any aggregate data structure, and
therefore the state must be in the TopLevelDeclaration rather than in
the AST node.
There were two other problems with the usingnamespace implementation:
* It was passing the wrong destination ScopeDecl, so it could cause an
incorrect error such as "import of file outside package path".
* When doing `usingnamespace` on a file that already had
`pub usingnamespace` in it would "steal" the usingnamespace, causing
incorrect "use of undeclared identifier" errors in the target file.
closes #2632
closes #2580
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all std lib tests passing now
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@round
and expand @sqrt
This revealed that the accuracy of ln is not as good as the current algorithm in
musl and glibc, and should be ported again.
v2: actually include tests
v3: fix reversal of in and out arguments on f128M_sqrt()
add test for @sqrt on comptime_float
do not include @nearbyInt() until it works on all targets.
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floats
Not all of the softfloat library is being built....
Vector support is very buggy at the moment, but should work when the bugs are fixed.
(as I had the same code working with another vector function, that hasn't been merged yet).
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because of this example:
```zig
export fn entry(b: bool) usize {
var runtime = [1]i32{3};
comptime var i: usize = 0;
inline while (i < 2) : (i += 1) {
const result = if (i == 0) [1]i32{2} else runtime;
}
comptime {
return i;
}
}
```
The problem is that the concept of "resetting" a result location,
introduced in the previous commit, cannot handle elision scopes.
This concept is inherently broken with inline loops.
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Previously, the symbol name parameter of `@export` would be ignored for
variables, and the variable name would be used for the symbol name.
Now it works as expected.
See #2679
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previously `@export` for an array would panic with a TODO message.
now it will do the export. However, it uses the variable's name
rather than the name passed to `@export`. Issue #2679 remains open
for that problem.
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old syntax: []i32{1, 2, 3}
new syntax: [_]i32{1, 2, 3}
closes #1797
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```zig
export fn entry() void {
const static = Foo{
.x = 9,
.bar = Bar{ .y = 10 },
};
const runtime = foo(true);
}
fn foo(c: bool) Foo {
return Foo{
.x = 12,
.bar = if (c) bar1() else bar2(),
};
}
fn bar1() Bar {
return Bar{ .y = 34 };
}
fn bar2() Bar {
return Bar{ .y = 56 };
}
```
```llvm
@0 = internal unnamed_addr constant %Foo { i32 9, %Bar { i32 10 } }, align 4
@1 = internal unnamed_addr constant %Bar { i32 34 }, align 4
@2 = internal unnamed_addr constant %Bar { i32 56 }, align 4
define void @entry() #2 !dbg !35 {
Entry:
%runtime = alloca %Foo, align 4
call void @llvm.dbg.declare(metadata %Foo* @0, metadata !39, metadata !DIExpression()), !dbg !50
call fastcc void @foo(%Foo* sret %runtime, i1 true), !dbg !51
call void @llvm.dbg.declare(metadata %Foo* %runtime, metadata !49, metadata !DIExpression()), !dbg !52
ret void, !dbg !53
}
define internal fastcc void @foo(%Foo* nonnull sret, i1) unnamed_addr #2 !dbg !54 {
Entry:
%c = alloca i1, align 1
store i1 %1, i1* %c, align 1
call void @llvm.dbg.declare(metadata i1* %c, metadata !60, metadata !DIExpression()), !dbg !61
%2 = getelementptr inbounds %Foo, %Foo* %0, i32 0, i32 0, !dbg !62
store i32 12, i32* %2, align 4, !dbg !62
%3 = getelementptr inbounds %Foo, %Foo* %0, i32 0, i32 1, !dbg !64
%4 = load i1, i1* %c, align 1, !dbg !65
br i1 %4, label %Then, label %Else, !dbg !65
Then: ; preds = %Entry
call fastcc void @bar1(%Bar* sret %3), !dbg !66
br label %EndIf, !dbg !64
Else: ; preds = %Entry
call fastcc void @bar2(%Bar* sret %3), !dbg !67
br label %EndIf, !dbg !64
EndIf: ; preds = %Else, %Then
ret void, !dbg !68
}
define internal fastcc void @bar1(%Bar* nonnull sret) unnamed_addr #2 !dbg !69 {
Entry:
%1 = bitcast %Bar* %0 to i8*, !dbg !73
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 bitcast (%Bar* @1 to i8*), i64 4, i1 false), !dbg !73
ret void, !dbg !73
}
define internal fastcc void @bar2(%Bar* nonnull sret) unnamed_addr #2 !dbg !75 {
Entry:
%1 = bitcast %Bar* %0 to i8*, !dbg !76
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 4 %1, i8* align 4 bitcast (%Bar* @2 to i8*), i64 4, i1 false), !dbg !76
ret void, !dbg !76
}
!39 = !DILocalVariable(name: "static", scope: !40, file: !5, line: 2, type: !41)
!49 = !DILocalVariable(name: "runtime", scope: !40, file: !5, line: 6, type: !41)
```
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```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
}
```
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closes #485
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LemonBoy-use-struct-pt2
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Make analyze_type_expr behave like ir_resolve_type when the user tries
to use `undefined` as a type.
Closes #2436
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Fixes #2500
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Co-Authored-By: emekoi <emekankurumeh@outlook.com>
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use expressions outside the top-level scope now work as intended.
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The C specification mandates the enum to be compatible with signed char,
signed int or unsigned int.
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After 4df2f3d74f test names have the word "test" in them so the
redundant word is removed from test runner. Also move the prefix/suffix
to where it logically belongs in the fully qualified symbol name.
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Tests now have the symbol name of the format `test "<name>"` in order
to be more easily distinguished from functions with similar names.
See issue #2267.
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Closes: #2165
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