xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/irtranslator-one-by-n-vector-ptr-add.ll (revision 46584de02c1a38a0ccde85cb5c16331380966c36)
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2; RUN: llc -O0 -global-isel -mtriple aarch64 -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
3
4; Make sure we treat <1 x N> getelementptrs like scalar getelementptrs.
5
6; We should not create a splat vector for the non-vector index on this
7; getelementptr. The entire getelementptr should be translated to a scalar
8; G_PTR_ADD.
9define <1 x ptr> @one_elt_vector_ptr_add_non_vector_idx(<1 x ptr> %vec) {
10  ; CHECK-LABEL: name: one_elt_vector_ptr_add_non_vector_idx
11  ; CHECK: bb.1 (%ir-block.0):
12  ; CHECK:   liveins: $d0
13  ; CHECK:   [[COPY:%[0-9]+]]:_(p0) = COPY $d0
14  ; CHECK:   [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
15  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
16  ; CHECK:   [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
17  ; CHECK:   [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[SEXT]](s64)
18  ; CHECK:   [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
19  ; CHECK:   $d0 = COPY [[COPY2]](p0)
20  ; CHECK:   RET_ReallyLR implicit $d0
21  %ptr_add = getelementptr i8, <1 x ptr> %vec, <1 x i32> <i32 1>
22  ret <1 x ptr> %ptr_add
23}
24
25; We should not create a splat vector for the non-vector pointer on this
26; getelementptr. The entire getelementptr should be translated to a scalar
27; G_PTR_ADD.
28define <1 x ptr> @one_elt_vector_ptr_add_non_vector_ptr(ptr %vec) {
29  ; CHECK-LABEL: name: one_elt_vector_ptr_add_non_vector_ptr
30  ; CHECK: bb.1 (%ir-block.0):
31  ; CHECK:   liveins: $x0
32  ; CHECK:   [[COPY:%[0-9]+]]:_(p0) = COPY $x0
33  ; CHECK:   [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
34  ; CHECK:   [[COPY1:%[0-9]+]]:_(s32) = COPY [[C]](s32)
35  ; CHECK:   [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
36  ; CHECK:   [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[SEXT]](s64)
37  ; CHECK:   [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
38  ; CHECK:   $d0 = COPY [[COPY2]](p0)
39  ; CHECK:   RET_ReallyLR implicit $d0
40  %ptr_add = getelementptr i8, ptr %vec, <1 x i32> <i32 1>
41  ret <1 x ptr> %ptr_add
42}
43