llvm-6502/test/Transforms/LoopStrengthReduce/quadradic-exit-value.ll
Dan Gohman 3073329c53 Use WriteAsOperand instead of getName() to print loop header names,
so that unnamed blocks are handled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93059 91177308-0d34-0410-b5e6-96231b3b80d8
2010-01-09 18:17:45 +00:00

19 lines
447 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
}