[LLVMbugs] [Bug 8904] New: gnu screen with/without InstCombine

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=8904

           Summary: gnu screen with/without InstCombine
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: P
         Component: Scalar Optimizations
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rdivacky at freebsd.org
                CC: llvmbugs at cs.uiuc.edu


these three files show difference:

(first one is with InstCombine, second one is without)

-rw-------  1 root  wheel   64904 Jan  4 22:37 work/screen-4.0.3/ansi.o
-rw-------  1 root  wheel   64920 Jan  4 22:40 work/screen-4.0.3/ansi.o

-rw-------  1 root  wheel    9464 Jan  4 22:37 work/screen-4.0.3/input.o
-rw-------  1 root  wheel   10880 Jan  4 22:40 work/screen-4.0.3/input.o

-rw-------  1 root  wheel   68744 Jan  4 22:37 work/screen-4.0.3/screen.o
-rw-------  1 root  wheel   68792 Jan  4 22:40 work/screen-4.0.3/screen.o

all the files are compiled with simple:

clang -c -I. -I.  -O2 -pipe -fno-strict-aliasing foo.c

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