2009-10-24 23:23:04 +00:00
|
|
|
; RUN: opt < %s -loop-rotate -loop-reduce -verify-dom-info -verify-loop-info -disable-output
|
2009-09-28 18:40:27 +00:00
|
|
|
|
|
|
|
|
define fastcc void @foo() nounwind {
|
|
|
|
|
BB:
|
|
|
|
|
br label %BB1
|
|
|
|
|
|
|
|
|
|
BB1: ; preds = %BB19, %BB
|
|
|
|
|
br label %BB4
|
|
|
|
|
|
|
|
|
|
BB2: ; preds = %BB4
|
|
|
|
|
%tmp = bitcast i32 undef to i32 ; <i32> [#uses=1]
|
|
|
|
|
br label %BB4
|
|
|
|
|
|
|
|
|
|
BB4: ; preds = %BB3, %BB1
|
|
|
|
|
%tmp5 = phi i32 [ undef, %BB1 ], [ %tmp, %BB2 ] ; <i32> [#uses=1]
|
|
|
|
|
br i1 false, label %BB8, label %BB2
|
|
|
|
|
|
|
|
|
|
BB8: ; preds = %BB6
|
|
|
|
|
%tmp7 = bitcast i32 %tmp5 to i32 ; <i32> [#uses=2]
|
|
|
|
|
br i1 false, label %BB9, label %BB13
|
|
|
|
|
|
|
|
|
|
BB9: ; preds = %BB12, %BB8
|
|
|
|
|
%tmp10 = phi i32 [ %tmp11, %BB12 ], [ %tmp7, %BB8 ] ; <i32> [#uses=2]
|
|
|
|
|
%tmp11 = add i32 %tmp10, 1 ; <i32> [#uses=1]
|
|
|
|
|
br label %BB12
|
|
|
|
|
|
|
|
|
|
BB12: ; preds = %BB9
|
|
|
|
|
br i1 false, label %BB9, label %BB17
|
|
|
|
|
|
|
|
|
|
BB13: ; preds = %BB15, %BB8
|
|
|
|
|
%tmp14 = phi i32 [ %tmp16, %BB15 ], [ %tmp7, %BB8 ] ; <i32> [#uses=1]
|
|
|
|
|
br label %BB15
|
|
|
|
|
|
|
|
|
|
BB15: ; preds = %BB13
|
|
|
|
|
%tmp16 = add i32 %tmp14, -1 ; <i32> [#uses=1]
|
|
|
|
|
br i1 false, label %BB13, label %BB18
|
|
|
|
|
|
|
|
|
|
BB17: ; preds = %BB12
|
|
|
|
|
br label %BB19
|
|
|
|
|
|
|
|
|
|
BB18: ; preds = %BB15
|
|
|
|
|
br label %BB19
|
|
|
|
|
|
|
|
|
|
BB19: ; preds = %BB18, %BB17
|
|
|
|
|
%tmp20 = phi i32 [ %tmp10, %BB17 ], [ undef, %BB18 ] ; <i32> [#uses=0]
|
|
|
|
|
br label %BB1
|
|
|
|
|
}
|
