1; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py UTC_ARGS: --version 4 2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" -scalar-evolution-classify-expressions=0 2>&1 | FileCheck %s 3 4 5define i32 @foo(i32 %x, i32 %y, ptr %lam, ptr %alp) nounwind { 6; CHECK-LABEL: 'foo' 7; CHECK-NEXT: Determining loop execution counts for: @foo 8; CHECK-NEXT: Loop %bb1: backedge-taken count is i32 255 9; CHECK-NEXT: Loop %bb1: constant max backedge-taken count is i32 255 10; CHECK-NEXT: Loop %bb1: symbolic max backedge-taken count is i32 255 11; CHECK-NEXT: Loop %bb1: Trip multiple is 256 12; 13bb1.thread: 14 br label %bb1 15 16bb1: ; preds = %bb1, %bb1.thread 17 %indvar = phi i32 [ 0, %bb1.thread ], [ %indvar.next, %bb1 ] ; <i32> [#uses=4] 18 %i.0.reg2mem.0 = sub i32 255, %indvar ; <i32> [#uses=2] 19 %0 = getelementptr i32, ptr %alp, i32 %i.0.reg2mem.0 ; <ptr> [#uses=1] 20 %1 = load i32, ptr %0, align 4 ; <i32> [#uses=1] 21 %2 = getelementptr i32, ptr %lam, i32 %i.0.reg2mem.0 ; <ptr> [#uses=1] 22 store i32 %1, ptr %2, align 4 23 %3 = sub i32 254, %indvar ; <i32> [#uses=1] 24 %4 = icmp slt i32 %3, 0 ; <i1> [#uses=1] 25 %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 26 br i1 %4, label %bb2, label %bb1 27 28bb2: ; preds = %bb1 29 %tmp10 = mul i32 %indvar, %x ; <i32> [#uses=1] 30 %z.0.reg2mem.0 = add i32 %tmp10, %y ; <i32> [#uses=1] 31 %5 = add i32 %z.0.reg2mem.0, %x ; <i32> [#uses=1] 32 ret i32 %5 33} 34