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| author | Andrew Kelley <andrew@ziglang.org> | 2019-06-10 15:49:45 -0400 |
|---|---|---|
| committer | Andrew Kelley <andrew@ziglang.org> | 2019-06-10 15:49:45 -0400 |
| commit | c36289511629e01bbd32bc5f1133f5ed5997d1e0 (patch) | |
| tree | c527aacbe9af5abc3c400bc0b5d412e94f08027f /src/parser.cpp | |
| parent | 17b1ac5d03cd32e047d917a88e029c143cb5d119 (diff) | |
| download | zig-c36289511629e01bbd32bc5f1133f5ed5997d1e0.tar.gz zig-c36289511629e01bbd32bc5f1133f5ed5997d1e0.zip | |
result location semantics for slices
```zig
export fn entry() void {
var buf: [10]u8 = undefined;
const slice1: []const u8 = &buf;
const slice2 = buf[0..];
}
```
```llvm
define void @entry() #2 !dbg !35 {
Entry:
%buf = alloca [10 x i8], align 1
%slice1 = alloca %"[]u8", align 8
%slice2 = alloca %"[]u8", align 8
%0 = bitcast [10 x i8]* %buf to i8*, !dbg !46
call void @llvm.memset.p0i8.i64(i8* align 1 %0, i8 -86, i64 10, i1 false), !dbg !46
call void @llvm.dbg.declare(metadata [10 x i8]* %buf, metadata !39, metadata !DIExpression()), !dbg !46
%1 = getelementptr inbounds %"[]u8", %"[]u8"* %slice1, i32 0, i32 0, !dbg !47
%2 = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0, !dbg !47
store i8* %2, i8** %1, align 8, !dbg !47
%3 = getelementptr inbounds %"[]u8", %"[]u8"* %slice1, i32 0, i32 1, !dbg !47
store i64 10, i64* %3, align 8, !dbg !47
call void @llvm.dbg.declare(metadata %"[]u8"* %slice1, metadata !44, metadata !DIExpression()), !dbg !48
%4 = getelementptr inbounds %"[]u8", %"[]u8"* %slice2, i32 0, i32 0, !dbg !49
%5 = getelementptr inbounds [10 x i8], [10 x i8]* %buf, i64 0, i64 0, !dbg !49
store i8* %5, i8** %4, align 8, !dbg !49
%6 = getelementptr inbounds %"[]u8", %"[]u8"* %slice2, i32 0, i32 1, !dbg !49
store i64 10, i64* %6, align 8, !dbg !49
call void @llvm.dbg.declare(metadata %"[]u8"* %slice2, metadata !45, metadata !DIExpression()), !dbg !50
ret void, !dbg !51
}
```
Diffstat (limited to 'src/parser.cpp')
0 files changed, 0 insertions, 0 deletions