; RUN: opt "-passes=print<scalar-evolution>,loop(loop-deletion),simplifycfg" -disable-output < %s 2>&1 | FileCheck %s --check-prefix=CHECK-ANALYSIS-1 ; RUN: opt -disable-output "-passes=print<scalar-evolution>" < %s 2>&1 | FileCheck %s --check-prefix=CHECK-ANALYSIS-2 define i32 @pr34538() local_unnamed_addr #0 { ; CHECK-ANALYSIS-1: Loop %do.body: backedge-taken count is 10000 ; CHECK-ANALYSIS-1: Loop %do.body: max backedge-taken count is 10000 ; CHECK-ANALYSIS-1: Loop %do.body: Predicated backedge-taken count is 10000 entry: br label %do.body do.body: ; preds = %do.body, %entry %start.0 = phi i32 [ 0, %entry ], [ %inc.start.0, %do.body ] %cmp = icmp slt i32 %start.0, 10000 %inc = zext i1 %cmp to i32 %inc.start.0 = add nsw i32 %start.0, %inc br i1 %cmp, label %do.body, label %do.end do.end: ; preds = %do.body ret i32 0 } define i32 @foo() { entry: br label %do.body do.body: ; preds = %do.body, %entry %start.0 = phi i32 [ 0, %entry ], [ %inc.start.0, %do.body ] %cmp = icmp slt i32 %start.0, 10000 %select_ext = select i1 %cmp, i32 2 , i32 1 %inc.start.0 = add nsw i32 %start.0, %select_ext br i1 %cmp, label %do.body, label %do.end do.end: ; preds = %do.body ret i32 0 ; CHECK-ANALYSIS-2: Loop %do.body: backedge-taken count is 5000 ; CHECK-ANALYSIS-2: Loop %do.body: max backedge-taken count is 5000 ; CHECK-ANALYSIS-2: Loop %do.body: Predicated backedge-taken count is 5000 }