2008-07-19 13:26:15 +00:00
|
|
|
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
|
|
|
|
|
; RUN: -scalar-evolution-max-iterations=0 | grep {100 iterations}
|
2007-04-26 16:44:48 +00:00
|
|
|
; PR1101
|
|
|
|
|
|
|
|
|
|
@A = weak global [1000 x i32] zeroinitializer, align 32
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
define void @test(i32 %N) {
|
|
|
|
|
entry:
|
|
|
|
|
"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
|
|
|
|
|
br label %bb3
|
|
|
|
|
|
|
|
|
|
bb: ; preds = %bb3
|
|
|
|
|
%tmp = getelementptr [1000 x i32]* @A, i32 0, i32 %i.0 ; <i32*> [#uses=1]
|
|
|
|
|
store i32 123, i32* %tmp
|
|
|
|
|
%tmp2 = add i32 %i.0, 1 ; <i32> [#uses=1]
|
|
|
|
|
br label %bb3
|
|
|
|
|
|
|
|
|
|
bb3: ; preds = %bb, %entry
|
|
|
|
|
%i.0 = phi i32 [ 2, %entry ], [ %tmp2, %bb ] ; <i32> [#uses=3]
|
|
|
|
|
%SQ = mul i32 %i.0, %i.0
|
|
|
|
|
%tmp4 = mul i32 %i.0, 2
|
|
|
|
|
%tmp5 = sub i32 %SQ, %tmp4
|
|
|
|
|
%tmp3 = icmp sle i32 %tmp5, 9999 ; <i1> [#uses=1]
|
|
|
|
|
br i1 %tmp3, label %bb, label %bb5
|
|
|
|
|
|
|
|
|
|
bb5: ; preds = %bb3
|
|
|
|
|
br label %return
|
|
|
|
|
|
|
|
|
|
return: ; preds = %bb5
|
|
|
|
|
ret void
|
|
|
|
|
}
|
