Revert r226201 (Add a new pass "inductive range check elimination")

[oota-llvm.git] / test / Transforms / IRCE / single-access-no-preloop.ll

diff --git a/test/Transforms/IRCE/single-access-no-preloop.ll b/test/Transforms/IRCE/single-access-no-preloop.ll
deleted file mode 100644 (file)
index cf073b3..0000000
--- a/test/Transforms/IRCE/single-access-no-preloop.ll
+++ /dev/null
@@ -1,110 +0,0 @@
-; RUN: opt -irce -S < %s | FileCheck %s
-
-define void @single_access_no_preloop_no_offset(i32 *%arr, i32 *%a_len_ptr, i32 %n) {
- entry:
-  %len = load 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
-
- in.bounds:
-  %addr = getelementptr 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
-}
-
-; CHECK-LABEL: single_access_no_preloop
-
-; CHECK-LABEL: loop:
-; CHECK: br i1 true, label %in.bounds, label %out.of.bounds
-
-; CHECK-LABEL: main.exit.selector:
-; CHECK-NEXT: [[continue:%[^ ]+]] = icmp slt i32 %idx.next, %n
-; CHECK-NEXT: br i1 [[continue]], label %main.pseudo.exit, label %exit.loopexit
-
-; CHECK-LABEL: main.pseudo.exit:
-; CHECK-NEXT: %idx.copy = phi i32 [ 0, %loop.preheader ], [ %idx.next, %main.exit.selector ]
-; CHECK-NEXT: br label %postloop
-
-; CHECK-LABEL: postloop:
-; CHECK-NEXT: br label %loop.postloop
-
-; CHECK-LABEL: loop.postloop:
-; CHECK-NEXT: %idx.postloop = phi i32 [ %idx.next.postloop, %in.bounds.postloop ], [ %idx.copy, %postloop ]
-; CHECK-NEXT: %idx.next.postloop = add i32 %idx.postloop, 1
-; CHECK-NEXT: %abc.postloop = icmp slt i32 %idx.postloop, %len
-; CHECK-NEXT: br i1 %abc.postloop, label %in.bounds.postloop, label %out.of.bounds
-
-; CHECK-LABEL: in.bounds.postloop:
-; CHECK-NEXT: %addr.postloop = getelementptr i32* %arr, i32 %idx.postloop
-; CHECK-NEXT: store i32 0, i32* %addr.postloop
-; CHECK-NEXT: %next.postloop = icmp slt i32 %idx.next.postloop, %n
-; CHECK-NEXT: br i1 %next.postloop, label %loop.postloop, label %exit.loopexit
-
-
-define void @single_access_no_preloop_with_offset(i32 *%arr, i32 *%a_len_ptr, i32 %n) {
- entry:
-  %len = load 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
-  %idx.for.abc = add i32 %idx, 4
-  %abc = icmp slt i32 %idx.for.abc, %len
-  br i1 %abc, label %in.bounds, label %out.of.bounds
-
- in.bounds:
-  %addr = getelementptr i32* %arr, i32 %idx.for.abc
-  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
-}
-
-; CHECK-LABEL: single_access_no_preloop_with_offset
-
-; CHECK-LABEL: loop.preheader:
-; CHECK: [[safe_range_end:[^ ]+]] = sub i32 %len, 4
-; CHECK: [[exit_main_loop_at_cmp:[^ ]+]] = icmp slt i32 %n, [[safe_range_end]]
-; CHECK: [[exit_main_loop_at:[^ ]+]] = select i1 [[exit_main_loop_at_cmp]], i32 %n, i32 [[safe_range_end]]
-; CHECK: [[enter_main_loop:[^ ]+]] = icmp slt i32 0, [[exit_main_loop_at]]
-; CHECK: br i1 [[enter_main_loop]], label %loop, label %main.pseudo.exit
-
-; CHECK-LABEL: loop:
-; CHECK: br i1 true, label %in.bounds, label %out.of.bounds
-
-; CHECK-LABEL: in.bounds:
-; CHECK: [[continue_main_loop:[^ ]+]] = icmp slt i32 %idx.next, [[exit_main_loop_at]]
-; CHECK: br i1 [[continue_main_loop]], label %loop, label %main.exit.selector
-
-; CHECK-LABEL: main.pseudo.exit:
-; CHECK:  %idx.copy = phi i32 [ 0, %loop.preheader ], [ %idx.next, %main.exit.selector ]
-; CHECK:  br label %postloop
-
-; CHECK-LABEL: loop.postloop:
-; CHECK: %idx.postloop = phi i32 [ %idx.next.postloop, %in.bounds.postloop ], [ %idx.copy, %postloop ]
-
-; CHECK-LABEL: in.bounds.postloop:
-; CHECK: %next.postloop = icmp slt i32 %idx.next.postloop, %n
-; CHECK: br i1 %next.postloop, label %loop.postloop, label %exit.loopexit
-
-!0 = !{i32 0, i32 2147483647}