36 lines · c
1// XFAIL:*2//// Currently, LowerDbgDeclare doesn't lower dbg.declares pointing at allocas3//// for structs.4 5// REQUIRES: lldb6// UNSUPPORTED: system-windows7// RUN: %clang -std=gnu11 -O2 -glldb %s -o %t8// RUN: %dexter --fail-lt 1.0 -w %dexter_lldb_args --binary %t -- %s9//10//// Check debug-info for the escaped struct variable num is reasonable.11 12#include <stdio.h>13struct Nums {14 int a, b, c, d, e, f, g, h, i, j;15};16struct Nums glob;17__attribute__((__noinline__))18void esc(struct Nums* nums) {19 glob = *nums;20}21 22__attribute__((__noinline__))23int 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