[llvm-bugs] [Bug 27953] New: -mldstmotion miscompile with call to exit

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27953

            Bug ID: 27953
           Summary: -mldstmotion miscompile with call to exit
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: eli.friedman at gmail.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Testcase:

#include <stdlib.h>
void f() { exit(1); }
void (*ff)() = f;
int r, s;
void g(int a, int*restrict p) {
  if (a) {ff(); r = p[1]; } 
  else { s = p[1]; } 
}
void (*gg)(int, int*restrict) = g;
int main() {
  gg(1, 0);
}

Continuation of bug 27858

(Artificial testcase.)

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