llvm-6502/test/Analysis/ScalarEvolution/2008-02-11-ReversedCondition.ll
Dan Gohman 70ff4cf1ba Finally re-apply r46959. This is made feasible by the combination
of r56230, r56232, and r56246.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56247 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-16 18:52:57 +00:00

16 lines
352 B
LLVM

; RUN: llvm-as < %s | opt -scalar-evolution -analyze | grep {Loop header: (0 smax %n) iterations!}
define void @foo(i32 %n) {
entry:
br label %header
header:
%i = phi i32 [ 0, %entry ], [ %i.inc, %next ]
%cond = icmp sgt i32 %n, %i
br i1 %cond, label %next, label %return
next:
%i.inc = add i32 %i, 1
br label %header
return:
ret void
}