diff options
Diffstat (limited to 'llvm/test/Transforms/IRCE')
| -rw-r--r-- | llvm/test/Transforms/IRCE/skip-profitability-checks.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/Transforms/IRCE/skip-profitability-checks.ll b/llvm/test/Transforms/IRCE/skip-profitability-checks.ll new file mode 100644 index 00000000000..f12898955b4 --- /dev/null +++ b/llvm/test/Transforms/IRCE/skip-profitability-checks.ll @@ -0,0 +1,31 @@ +; RUN: opt -irce-skip-profitability-checks -S -irce < %s | FileCheck %s + +define void @single_access_no_preloop_no_offset(i32 *%arr, i32 *%a_len_ptr, i32 %n) { +; CHECK-LABEL: @single_access_no_preloop_no_offset( +; CHECK: main.exit.selector: + entry: + %len = load i32, i32* %a_len_ptr, !range !0 + %first.itr.check = icmp sgt i32 %n, 0 + br i1 %first.itr.check, label %loop, label %exit + + loop: + %idx = phi i32 [ 0, %entry ] , [ %idx.next, %in.bounds ] + %idx.next = add i32 %idx, 1 + %abc = icmp slt i32 %idx, %len + br i1 %abc, label %in.bounds, label %out.of.bounds, !prof !1 + + in.bounds: + %addr = getelementptr i32, i32* %arr, i32 %idx + store i32 0, i32* %addr + %next = icmp slt i32 %idx.next, %n + br i1 %next, label %loop, label %exit + + out.of.bounds: + ret void + + exit: + ret void +} + +!0 = !{i32 0, i32 2147483647} +!1 = !{!"branch_weights", i32 1, i32 64} |
