| ; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution -scalar-evolution-max-iterations=0 | FileCheck %s |
| ; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-max-iterations=0 2>&1 | FileCheck %s |
| ; PR1533 |
| |
| @array = weak global [101 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1] |
| |
| ; CHECK: Loop %bb: backedge-taken count is 100 |
| |
| 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], [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 |
| } |
