[cfe-commits] [PATCH] Allow inline assembly to inherit readnone/readonly attributes from parent function

Chad Rosier mcrosier at apple.com
Wed May 2 14:10:17 PDT 2012

And please disregard the second CHECK-NOT in the test case.  It will be removed from the final commit.  :)

On May 2, 2012, at 2:07 PM, Chad Rosier wrote:

> The attached patch allows inline assembly to inherit the readnone/readonly function attribute from the caller.  This allows the attributes to be retained after function inlining.  In turn, CSE is able to do it's magic on inline assembly statements.
> An orthogonal solution would be to add support for the const keyword for inline assembly (e.g., asm const("mov $0x12345678, %0" : "=r" (ptr)); ).
> Chad
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