diff options
Diffstat (limited to 'llvm/test/Transforms/IRCE')
3 files changed, 24 insertions, 14 deletions
diff --git a/llvm/test/Transforms/IRCE/multiple-access-no-preloop.ll b/llvm/test/Transforms/IRCE/multiple-access-no-preloop.ll index b8d2f140bab..1dfb70fe5e7 100644 --- a/llvm/test/Transforms/IRCE/multiple-access-no-preloop.ll +++ b/llvm/test/Transforms/IRCE/multiple-access-no-preloop.ll @@ -37,10 +37,14 @@ define void @multiple_access_no_preloop( ; CHECK-LABEL: multiple_access_no_preloop ; CHECK-LABEL: loop.preheader: -; CHECK: [[smaller_len_cmp:[^ ]+]] = icmp slt i32 %len.a, %len.b -; CHECK: [[smaller_len:[^ ]+]] = select i1 [[smaller_len_cmp]], i32 %len.a, i32 %len.b -; CHECK: [[upper_bound_cmp:[^ ]+]] = icmp slt i32 %n, %3 -; CHECK: [[upper_bound:[^ ]+]] = select i1 %5, i32 %n, i32 %3 +; CHECK: [[not_len_b:[^ ]+]] = sub i32 -1, %len.b +; CHECK: [[not_len_a:[^ ]+]] = sub i32 -1, %len.a +; CHECK: [[smax_not_len_cond:[^ ]+]] = icmp sgt i32 [[not_len_b]], [[not_len_a]] +; CHECK: [[smax_not_len:[^ ]+]] = select i1 [[smax_not_len_cond]], i32 [[not_len_b]], i32 [[not_len_a]] +; CHECK: [[not_n:[^ ]+]] = sub i32 -1, %n +; CHECK: [[not_upper_limit_cond:[^ ]+]] = icmp sgt i32 [[smax_not_len]], [[not_n]] +; CHECK: [[not_upper_limit:[^ ]+]] = select i1 [[not_upper_limit_cond]], i32 [[smax_not_len]], i32 [[not_n]] +; CHECK: [[upper_limit:[^ ]+]] = sub i32 -1, [[not_upper_limit]] ; CHECK-LABEL: loop: ; CHECK: br i1 true, label %in.bounds.a, label %out.of.bounds @@ -49,7 +53,7 @@ define void @multiple_access_no_preloop( ; CHECK: br i1 true, label %in.bounds.b, label %out.of.bounds ; CHECK-LABEL: in.bounds.b: -; CHECK: [[main_loop_cond:[^ ]+]] = icmp slt i32 %idx.next, [[upper_bound]] +; CHECK: [[main_loop_cond:[^ ]+]] = icmp slt i32 %idx.next, [[upper_limit]] ; CHECK: br i1 [[main_loop_cond]], label %loop, label %main.exit.selector ; CHECK-LABEL: in.bounds.b.postloop: diff --git a/llvm/test/Transforms/IRCE/single-access-no-preloop.ll b/llvm/test/Transforms/IRCE/single-access-no-preloop.ll index 34d8cd64b1c..0252e437ee8 100644 --- a/llvm/test/Transforms/IRCE/single-access-no-preloop.ll +++ b/llvm/test/Transforms/IRCE/single-access-no-preloop.ll @@ -83,9 +83,11 @@ define void @single_access_no_preloop_with_offset(i32 *%arr, i32 *%a_len_ptr, i3 ; 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: [[not_n:[^ ]+]] = sub i32 -1, %n +; CHECK: [[not_safe_range_end:[^ ]+]] = sub i32 3, %len +; CHECK: [[not_exit_main_loop_at_cmp:[^ ]+]] = icmp sgt i32 [[not_n]], [[not_safe_range_end]] +; CHECK: [[not_exit_main_loop_at:[^ ]+]] = select i1 [[not_exit_main_loop_at_cmp]], i32 [[not_n]], i32 [[not_safe_range_end]] +; CHECK: [[exit_main_loop_at:[^ ]+]] = sub i32 -1, [[not_exit_main_loop_at]] ; CHECK: [[enter_main_loop:[^ ]+]] = icmp slt i32 0, [[exit_main_loop_at]] ; CHECK: br i1 [[enter_main_loop]], label %loop, label %main.pseudo.exit 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]] |
