diff options
Diffstat (limited to 'llvm/test/Transforms/IRCE/single-access-with-preloop.ll')
| -rw-r--r-- | llvm/test/Transforms/IRCE/single-access-with-preloop.ll | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/llvm/test/Transforms/IRCE/single-access-with-preloop.ll b/llvm/test/Transforms/IRCE/single-access-with-preloop.ll index dacf697e98a..c220efa50a6 100644 --- a/llvm/test/Transforms/IRCE/single-access-with-preloop.ll +++ b/llvm/test/Transforms/IRCE/single-access-with-preloop.ll @@ -29,12 +29,16 @@ define void @single_access_with_preloop(i32 *%arr, i32 *%a_len_ptr, i32 %n, i32 } ; CHECK-LABEL: loop.preheader: -; CHECK: [[safe_start:[^ ]+]] = sub i32 0, %offset -; CHECK: [[safe_end:[^ ]+]] = sub i32 %len, %offset -; CHECK: [[exit_preloop_at_cond:[^ ]+]] = icmp slt i32 %n, [[safe_start]] -; CHECK: [[exit_preloop_at:[^ ]+]] = select i1 [[exit_preloop_at_cond]], i32 %n, i32 [[safe_start]] -; CHECK: [[exit_mainloop_at_cond:[^ ]+]] = icmp slt i32 %n, [[safe_end]] -; CHECK: [[exit_mainloop_at:[^ ]+]] = select i1 [[exit_mainloop_at_cond]], i32 %n, i32 [[safe_end]] +; CHECK: [[not_safe_start:[^ ]+]] = add i32 %offset, -1 +; CHECK: [[not_n:[^ ]+]] = sub i32 -1, %n +; CHECK: [[not_exit_preloop_at_cond:[^ ]+]] = icmp sgt i32 [[not_safe_start]], [[not_n]] +; CHECK: [[not_exit_preloop_at:[^ ]+]] = select i1 [[not_exit_preloop_at_cond]], i32 [[not_safe_start]], i32 [[not_n]] +; CHECK: [[exit_preloop_at:[^ ]+]] = sub i32 -1, [[not_exit_preloop_at]] + +; CHECK: [[not_safe_end:[^ ]+]] = sub i32 [[not_safe_start]], %len +; CHECK: [[not_exit_mainloop_at_cond:[^ ]+]] = icmp sgt i32 [[not_safe_end]], [[not_n]] +; CHECK: [[not_exit_mainloop_at:[^ ]+]] = select i1 [[not_exit_mainloop_at_cond]], i32 [[not_safe_end]], i32 [[not_n]] +; CHECK: [[exit_mainloop_at:[^ ]+]] = sub i32 -1, [[not_exit_mainloop_at]] ; CHECK-LABEL: in.bounds: ; CHECK: [[continue_mainloop_cond:[^ ]+]] = icmp slt i32 %idx.next, [[exit_mainloop_at]] |
