Revert "[InstCombineCalls] Use isKnownNonNullAt() to check nullness of passing arguments at callsite"
This reverts commit r247356.
Breaks test/Transforms/InstCombine/pr8547.ll with:
Wrong types for attribute: byval inalloca nest noalias nocapture nonnull readnone readonly sret dereferenceable(1) dereferenceable_or_null(1)
%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str, i64 0, i64 0), i32 nonnull %conv2) #0
LLVM ERROR: Broken function found, compilation aborted!
From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 247371