24 lines
602 B
LLVM
24 lines
602 B
LLVM
; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s
|
|
; PR2364
|
|
|
|
; CHECK: backedge-taken count is 61
|
|
|
|
define i32 @func_6() nounwind {
|
|
entry:
|
|
br label %bb5
|
|
|
|
bb: ; preds = %bb5
|
|
%tmp2 = add i32 %i.0, 1 ; <i32> [#uses=1]
|
|
%tmp4 = add i8 %x.0, -4 ; <i8> [#uses=1]
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb, %entry
|
|
%x.0 = phi i8 [ 0, %entry ], [ %tmp4, %bb ] ; <i8> [#uses=2]
|
|
%i.0 = phi i32 [ 0, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=2]
|
|
%tmp7 = icmp eq i8 %x.0, 12 ; <i1> [#uses=1]
|
|
br i1 %tmp7, label %return, label %bb
|
|
|
|
return: ; preds = %bb5
|
|
ret i32 %i.0
|
|
}
|