http://llvm.org/bugs/show_bug.cgi?id=7314
Summary: Memory accesses not optimised inside a loop
Product: new-bugs
Version: 2.7
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=4988)
--> (http://llvm.org/bugs/attachment.cgi?id=4988)
Example code
There seems to be a bug of some kind where loads and stores in a loop body
which could be optimised into registers aren't being done so.
I've attached some example code showing the small input function and the .ll
output.
The file was compiled using; clang.exe -cc1 -O3 -emit-llvm loop.cl
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