1; REQUIRES: asserts 2; RUN: opt < %s -S -passes=loop-rotate -debug -debug-only=loop-rotate 2>&1 | FileCheck %s 3 4; Loop should not be rotated for functions with the minsize attribute. 5; This is mostly useful for LTO which doesn't (yet) understand -Oz. 6; CHECK: LoopRotation: NOT rotating - contains 2 instructions, which is more 7 8@e = global i32 10 9 10declare void @use(i32) 11 12; Function attrs: minsize optsize 13define void @test() #0 { 14entry: 15 %end = load i32, ptr @e 16 br label %loop 17 18loop: 19 %n.phi = phi i32 [ %n, %loop.fin ], [ 0, %entry ] 20 %cond = icmp eq i32 %n.phi, %end 21 br i1 %cond, label %exit, label %loop.fin 22 23loop.fin: 24 %n = add i32 %n.phi, 1 25 call void @use(i32 %n) 26 br label %loop 27 28exit: 29 ret void 30} 31 32attributes #0 = { minsize optsize } 33