http://llvm.org/bugs/show_bug.cgi?id=2378
Summary: likely volatile bug
Product: new-bugs
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: new bugs
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
This behavior is observed for svn 51560 for x86-32 on Ubuntu Feisty.
At -O0, -Os, and -O3 the attached program accesses volatile g_31 zero times.
At -O1 and -O2 it reads from g_31 three times.
The full command line I'm using is
llvm-gcc -fwrapv -O1 -g small.c
The problem is: I can't reduce this input any further without making the
behavior go away. Since you have different (and hopefully better) testcase
reduction infrastructure, perhaps you'll have better luck.
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