xref: /llvm-project/llvm/test/CodeGen/AMDGPU/GlobalISel/combine-add-nullptr.mir (revision 8871c3c562690347d75190be758312d1f92a7db4)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=amdgcn-amd-amdhsa -run-pass=amdgpu-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
3
4---
5name: add_nullptr_shl_add
6tracksRegLiveness: true
7body:             |
8  bb.0:
9    liveins: $sgpr0
10
11    ; CHECK-LABEL: name: add_nullptr_shl_add
12    ; CHECK: liveins: $sgpr0
13    ; CHECK-NEXT: {{  $}}
14    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
15    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 3
16    ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32)
17    ; CHECK-NEXT: $vgpr0 = COPY [[SHL]](s32)
18    %0:_(s32) = COPY $sgpr0
19    %1:_(s32) = G_CONSTANT i32 3
20    %2:_(s32) = G_SHL %0, %1(s32)
21    %3:_(p3) = G_CONSTANT i32 0
22    %4:_(p3) = G_PTR_ADD %3, %2(s32)
23    %5:_(s32) = G_PTRTOINT %4(p3)
24    $vgpr0 = COPY %5(s32)
25
26...
27
28---
29name: add_nullptr_mul_add
30tracksRegLiveness: true
31body:             |
32  bb.0:
33    liveins: $vgpr0, $vgpr1
34
35    ; CHECK-LABEL: name: add_nullptr_mul_add
36    ; CHECK: liveins: $vgpr0, $vgpr1
37    ; CHECK-NEXT: {{  $}}
38    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
39    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
40    ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[COPY]], [[COPY1]]
41    ; CHECK-NEXT: $vgpr0 = COPY [[MUL]](s32)
42    %0:_(s32) = COPY $vgpr0
43    %1:_(s32) = COPY $vgpr1
44    %2:_(p3) = G_CONSTANT i32 0
45    %3:_(s32) = G_MUL %0:_, %1:_
46    %4:_(p3) = G_PTR_ADD %2:_, %3:_(s32)
47    %5:_(s32) = G_PTRTOINT %4:_(p3)
48    $vgpr0 = COPY %5:_(s32)
49
50...
51
52---
53name: add_nullptr_vec_all_zero
54tracksRegLiveness: true
55body:             |
56  bb.0:
57    liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3
58
59    ; CHECK-LABEL: name: add_nullptr_vec_all_zero
60    ; CHECK: liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3
61    ; CHECK-NEXT: {{  $}}
62    ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
63    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr2
64    ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr3
65    ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s32>) = G_BUILD_VECTOR [[COPY1]](s32), [[COPY2]](s32)
66    ; CHECK-NEXT: [[SHL:%[0-9]+]]:_(<2 x s32>) = G_SHL [[COPY]], [[BUILD_VECTOR]](<2 x s32>)
67    ; CHECK-NEXT: $vgpr0_vgpr1 = COPY [[SHL]](<2 x s32>)
68    %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
69    %1:_(s32) = COPY $vgpr2
70    %2:_(s32) = COPY $vgpr3
71    %3:_(<2 x s32>) = G_BUILD_VECTOR %1:_(s32), %2:_(s32)
72    %4:_(<2 x s32>) = G_SHL %0, %3(<2 x s32>)
73    %5:_(p3) = G_CONSTANT i32 0
74    %6:_(<2 x p3>) = G_BUILD_VECTOR %5:_(p3), %5:_(p3)
75    %7:_(<2 x p3>) = G_PTR_ADD %6, %4(<2 x s32>)
76    %8:_(<2 x s32>) = G_PTRTOINT %7(<2 x p3>)
77    $vgpr0_vgpr1 = COPY %8(<2 x s32>)
78
79...
80