mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
17 lines
366 B
LLVM
17 lines
366 B
LLVM
; RUN: opt < %s -scalar-evolution -analyze | grep {Loop %loop: backedge-taken count is (100 + (-100 smax %n))}
|
|
; PR2002
|
|
|
|
define void @foo(i8 %n) {
|
|
entry:
|
|
br label %loop
|
|
loop:
|
|
%i = phi i8 [ -100, %entry ], [ %i.inc, %next ]
|
|
%cond = icmp slt i8 %i, %n
|
|
br i1 %cond, label %next, label %return
|
|
next:
|
|
%i.inc = add i8 %i, 1
|
|
br label %loop
|
|
return:
|
|
ret void
|
|
}
|