1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -debug-info-kind=limited -fblocks -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | // Check that arg numbering is not affected by LLVM IR argument numbering - |
4 | // since the latter is affected by return-by-out-parameter ABI requirements |
5 | |
6 | // 1 for the argument number (1 indexed), 2 for the line number |
7 | // 16777218 == 1 << 24 | 2 |
8 | // 33554434 == 2 << 24 | 2 |
9 | // This explains the two magic numbers below, testing that these two arguments |
10 | // are numbered correctly. If they are not numbered correctly they may appear |
11 | // out of order or not at all (the latter would occur if they were both assigned |
12 | // the same argument number by mistake). |
13 | |
14 | // CHECK: !DILocalVariable(name: ".block_descriptor", arg: 1,{{.*}}line: 2, |
15 | // CHECK: !DILocalVariable(name: "param", arg: 2,{{.*}}line: 2, |
16 | |
17 | // Line directive so we don't have to worry about how many lines precede the |
18 | // test code (as the line number is mangled in with the argument number as shown |
19 | // above) |
20 | #line 1 |
21 | typedef struct { int array[12]; } BigStruct_t; |
22 | BigStruct_t (^a)() = ^(int param) { |
23 | BigStruct_t b; |
24 | return b; |
25 | }; |
26 | |