| ; RUN: opt < %s -analyze -scalar-evolution 2>&1 | FileCheck %s |
| ; PR2070 |
| |
| ; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'a' |
| ; CHECK-NOT: smax |
| |
| define i32 @a(i32 %x) nounwind { |
| entry: |
| icmp sgt i32 %x, 1 ; <i1>:0 [#uses=1] |
| br i1 %0, label %bb.nph, label %bb2 |
| |
| bb.nph: ; preds = %entry |
| br label %bb |
| |
| bb: ; preds = %bb1, %bb.nph |
| %z.02 = phi i32 [ %1, %bb1 ], [ 1, %bb.nph ] ; <i32> [#uses=1] |
| %i.01 = phi i32 [ %2, %bb1 ], [ 1, %bb.nph ] ; <i32> [#uses=2] |
| mul i32 %z.02, %i.01 ; <i32>:1 [#uses=2] |
| add i32 %i.01, 1 ; <i32>:2 [#uses=2] |
| br label %bb1 |
| |
| bb1: ; preds = %bb |
| icmp slt i32 %2, %x ; <i1>:3 [#uses=1] |
| br i1 %3, label %bb, label %bb1.bb2_crit_edge |
| |
| bb1.bb2_crit_edge: ; preds = %bb1 |
| %.lcssa = phi i32 [ %1, %bb1 ] ; <i32> [#uses=1] |
| br label %bb2 |
| |
| bb2: ; preds = %bb1.bb2_crit_edge, %entry |
| %z.0.lcssa = phi i32 [ %.lcssa, %bb1.bb2_crit_edge ], [ 1, %entry ] ; <i32> [#uses=1] |
| ret i32 %z.0.lcssa |
| } |
