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1129185
2011 Apr 07
1
[LLVMdev] Passing undef to functions
In my back-end I'd like to be able to pass dummy values to functions
that ignore them. The following code:
declare i32 @foo(i32, i32, i32)
define void @bar() nounwind {
entry:
%call = call i32 @foo(i32 8, i32 6, i32 undef)
ret void
}
ends up generating (using llc -O3):
bar: # @bar
# BB#0: #