[LLVMdev] Implicit def after printf call

Chris Lattner sabre at nondot.org
Sun Apr 29 15:27:58 PDT 2007

On Sun, 29 Apr 2007, Jeffrey Poznanovic wrote:
> Here are the relevant llvm instructions from my testcase (which look
> correct):
> %r3844 = call i32 (i8*, ...)* @printf( i8* getelementptr (i8* bitcast
> ([663 x i64]* @"initialized$$$CFE_id_786aaaf0_08b61fc9" to i8*), i64 1512));
> %r3858 = volatile load i32* bitcast ([1 x i64]* @bGotUsr1Signal to i32*);
> %r3859 = icmp eq i32 %r3858, 0          ; <i1> [#uses=1]

This looks like a bug.  Please file a bugzilla report, including a 
self-contained .ll file (one we can do "llvm-as < t.ll | llc" with)




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