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; REQUIRES: asserts
; RUN: opt < %s -S -passes=loop-rotate -debug -debug-only=loop-rotate 2>&1 | FileCheck %s
; Loop should not be rotated for functions with the minsize attribute.
; This is mostly useful for LTO which doesn't (yet) understand -Oz.
; CHECK: LoopRotation: NOT rotating - contains 2 instructions, which is more
@e = global i32 10
declare void @use(i32)
; Function attrs: minsize optsize
define void @test() #0 {
entry:
%end = load i32, ptr @e
br label %loop
loop:
%n.phi = phi i32 [ %n, %loop.fin ], [ 0, %entry ]
%cond = icmp eq i32 %n.phi, %end
br i1 %cond, label %exit, label %loop.fin
loop.fin:
%n = add i32 %n.phi, 1
call void @use(i32 %n)
br label %loop
exit:
ret void
}
attributes #0 = { minsize optsize }
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