Files
clang-p2996/llvm/test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll
Dan Gohman 1880092722 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

19 lines
446 B
LLVM

; RUN: opt < %s -analyze -iv-users -disable-output | grep {Stride i64 {3,+,2}<loop>:}
; The value of %r is dependent on a polynomial iteration expression.
define i64 @foo(i64 %n) {
entry:
br label %loop
loop:
%indvar = phi i64 [ 0, %entry ], [ %indvar.next, %loop ]
%indvar.next = add i64 %indvar, 1
%c = icmp eq i64 %indvar.next, %n
br i1 %c, label %exit, label %loop
exit:
%r = mul i64 %indvar.next, %indvar.next
ret i64 %r
}