diff options
Diffstat (limited to 'test/Analysis/ScalarEvolution/load-with-range-metadata.ll')
-rw-r--r-- | test/Analysis/ScalarEvolution/load-with-range-metadata.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Analysis/ScalarEvolution/load-with-range-metadata.ll b/test/Analysis/ScalarEvolution/load-with-range-metadata.ll new file mode 100644 index 0000000..2f6dcd0 --- /dev/null +++ b/test/Analysis/ScalarEvolution/load-with-range-metadata.ll @@ -0,0 +1,37 @@ +; RUN: opt -analyze -scalar-evolution < %s | FileCheck %s + +define i32 @slt_trip_count_with_range(i32 *%ptr0, i32 *%ptr1) { +; CHECK-LABEL: slt_trip_count_with_range + entry: + %limit = load i32* %ptr0, !range !0 + br label %loop + + loop: +; CHECK: Loop %loop: max backedge-taken count is 98 + %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] + %index.inc = add i32 %index, 1 + %continue = icmp slt i32 %index.inc, %limit + br i1 %continue, label %loop, label %loop.exit + + loop.exit: + ret i32 0 +} + +define i32 @ult_trip_count_with_range(i32 *%ptr0, i32 *%ptr1) { +; CHECK-LABEL: ult_trip_count_with_range + entry: + %limit = load i32* %ptr0, !range !0 + br label %loop + + loop: +; CHECK: Loop %loop: max backedge-taken count is 98 + %index = phi i32 [ 0, %entry ], [ %index.inc, %loop ] + %index.inc = add i32 %index, 1 + %continue = icmp ult i32 %index.inc, %limit + br i1 %continue, label %loop, label %loop.exit + + loop.exit: + ret i32 0 +} + +!0 = metadata !{i32 1, i32 100} |