1 // XFAIL:*
2 //// Currently, LowerDbgDeclare doesn't lower dbg.declares pointing at allocas
3 //// for structs.
4
5 // REQUIRES: lldb
6 // UNSUPPORTED: system-windows
7 // RUN: %clang -std=gnu11 -O2 -glldb %s -o %t
8 // RUN: %dexter --fail-lt 1.0 -w --debugger lldb --binary %t -- %s
9 //
10 //// Check debug-info for the escaped struct variable num is reasonable.
11
12 #include <stdio.h>
13 struct Nums {
14 int a, b, c, d, e, f, g, h, i, j;
15 };
16 struct Nums glob;
17 __attribute__((__noinline__))
esc(struct Nums * nums)18 void esc(struct Nums* nums) {
19 glob = *nums;
20 }
21
22 __attribute__((__noinline__))
main()23 int main() {
24 struct Nums nums = { .c=1 }; //// Dead store.
25 printf("s1 nums.c: %d\n", nums.c); // DexLabel('s1')
26
27 nums.c = 2; //// Killing store.
28 printf("s2 nums.c: %d\n", nums.c); // DexLabel('s2')
29
30 esc(&nums); //// Force nums to live on the stack.
31 return 0; // DexLabel('s3')
32 }
33
34 // DexExpectWatchValue('nums.c', '1', on_line=ref('s1'))
35 // DexExpectWatchValue('nums.c', '2', from_line=ref('s2'), to_line=ref('s3'))
36