http://llvm.org/bugs/show_bug.cgi?id=10166
Summary: Over-conservative handling of asm volatile
Product: libraries
Version: trunk
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
GCC hoists the load of *n out of this loop, LLVM doesn't:
void foo(double *p, long *n) {
long i;
for (i=0;i<*n;++i) {
asm volatile("#hello");
}
}
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