diff options
Diffstat (limited to 'llvm/test/Analysis/ScalarEvolution/trip-count4.ll')
| -rw-r--r-- | llvm/test/Analysis/ScalarEvolution/trip-count4.ll | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/llvm/test/Analysis/ScalarEvolution/trip-count4.ll b/llvm/test/Analysis/ScalarEvolution/trip-count4.ll index 966ffd26fd2..4c2d079e192 100644 --- a/llvm/test/Analysis/ScalarEvolution/trip-count4.ll +++ b/llvm/test/Analysis/ScalarEvolution/trip-count4.ll @@ -1,25 +1,32 @@ -; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s +; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py +; RUN: opt < %s -analyze -scalar-evolution -scalar-evolution-classify-expressions=0 | FileCheck %s ; ScalarEvolution should be able to compute a loop exit value for %indvar.i8. -; CHECK: sext{{.*}}trunc{{.*}}Exits: 11 - define void @another_count_down_signed(double* %d, i64 %n) nounwind { +; CHECK-LABEL: 'another_count_down_signed' +; CHECK-NEXT: Determining loop execution counts for: @another_count_down_signed +; CHECK-NEXT: Loop %loop: backedge-taken count is (-11 + %n) +; CHECK-NEXT: Loop %loop: max backedge-taken count is -1 +; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is (-11 + %n) +; CHECK-NEXT: Predicates: +; CHECK: Loop %loop: Trip multiple is 1 +; entry: - br label %loop + br label %loop loop: ; preds = %loop, %entry - %indvar = phi i64 [ %n, %entry ], [ %indvar.next, %loop ] ; <i64> [#uses=4] - %s0 = shl i64 %indvar, 8 ; <i64> [#uses=1] - %indvar.i8 = ashr i64 %s0, 8 ; <i64> [#uses=1] - %t0 = getelementptr double, double* %d, i64 %indvar.i8 ; <double*> [#uses=2] - %t1 = load double, double* %t0 ; <double> [#uses=1] - %t2 = fmul double %t1, 1.000000e-01 ; <double> [#uses=1] - store double %t2, double* %t0 - %indvar.next = sub i64 %indvar, 1 ; <i64> [#uses=2] - %exitcond = icmp eq i64 %indvar.next, 10 ; <i1> [#uses=1] - br i1 %exitcond, label %return, label %loop + %indvar = phi i64 [ %n, %entry ], [ %indvar.next, %loop ] ; <i64> [#uses=4] + %s0 = shl i64 %indvar, 8 ; <i64> [#uses=1] + %indvar.i8 = ashr i64 %s0, 8 ; <i64> [#uses=1] + %t0 = getelementptr double, double* %d, i64 %indvar.i8 ; <double*> [#uses=2] + %t1 = load double, double* %t0 ; <double> [#uses=1] + %t2 = fmul double %t1, 1.000000e-01 ; <double> [#uses=1] + store double %t2, double* %t0 + %indvar.next = sub i64 %indvar, 1 ; <i64> [#uses=2] + %exitcond = icmp eq i64 %indvar.next, 10 ; <i1> [#uses=1] + br i1 %exitcond, label %return, label %loop return: ; preds = %loop - ret void + ret void } |
