2008-07-19 13:26:15 +00:00
|
|
|
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
|
|
|
|
|
; RUN: -scalar-evolution-max-iterations=0 | grep {Loop bb: 100 iterations}
|
2007-07-16 02:08:00 +00:00
|
|
|
; PR1533
|
|
|
|
|
|
|
|
|
|
@array = weak global [101 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1]
|
|
|
|
|
|
|
|
|
|
define void @loop(i32 %x) {
|
|
|
|
|
entry:
|
|
|
|
|
br label %bb
|
|
|
|
|
|
|
|
|
|
bb: ; preds = %bb, %entry
|
|
|
|
|
%i.01.0 = phi i32 [ 100, %entry ], [ %tmp4, %bb ] ; <i32> [#uses=2]
|
|
|
|
|
%tmp1 = getelementptr [101 x i32]* @array, i32 0, i32 %i.01.0 ; <i32*> [#uses=1]
|
|
|
|
|
store i32 %x, i32* %tmp1
|
|
|
|
|
%tmp4 = add i32 %i.01.0, -1 ; <i32> [#uses=2]
|
|
|
|
|
%tmp7 = icmp sgt i32 %tmp4, -1 ; <i1> [#uses=1]
|
|
|
|
|
br i1 %tmp7, label %bb, label %return
|
|
|
|
|
|
|
|
|
|
return: ; preds = %bb
|
|
|
|
|
ret void
|
|
|
|
|
}
|
