Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions

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; RUN: opt -jump-threading -disable-output < %s
; PR9112
; This is actually a test for value tracking. Jump threading produces
; "%phi = phi i16" when it removes all edges leading to %unreachable.
; The .ll parser won't let us write that directly since it's invalid code.
define void @func() nounwind {
entry:
br label %bb
bb:
br label %bb
unreachable:
%phi = phi i16 [ %add, %unreachable ], [ 0, %next ]
%add = add i16 0, %phi
%cmp = icmp slt i16 %phi, 0
br i1 %cmp, label %unreachable, label %next
next:
br label %unreachable
}