hanchenye-llvm-project/llvm/test/Transforms/LICM/assume.ll

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; RUN: opt -licm -basicaa < %s -S | FileCheck %s
define void @f(i1 %p) nounwind ssp {
entry:
br label %for.body
for.body:
br i1 undef, label %if.then, label %for.cond.backedge
for.cond.backedge:
br i1 undef, label %for.end104, label %for.body
if.then:
br i1 undef, label %if.then27, label %if.end.if.end.split_crit_edge.critedge
if.then27:
; CHECK: tail call void @llvm.assume
tail call void @llvm.assume(i1 %p)
br label %for.body61.us
if.end.if.end.split_crit_edge.critedge:
br label %for.body61
for.body61.us:
br i1 undef, label %for.cond.backedge, label %for.body61.us
for.body61:
br i1 undef, label %for.cond.backedge, label %for.body61
for.end104:
ret void
}
declare void @llvm.assume(i1)