File: regbankselect-split-scalar-load-metadata.mir

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (68 lines) | stat: -rw-r--r-- 2,729 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=hawaii -run-pass=regbankselect %s -o - | FileCheck -check-prefix=SI %s

--- |

  define amdgpu_ps i96 @split_smrd_load_range(i96 addrspace(4)* %ptr) {
    %load = load i96, i96 addrspace(4)* %ptr, !range !0
    ret i96 %load
  }

  define amdgpu_ps <3 x i32> @split_smrd_load_tbaa(<3 x i32> addrspace(4)* %ptr) {
    %load = load <3 x i32>, <3 x i32> addrspace(4)* %ptr, !tbaa !1
    ret <3 x i32> %load
  }

  !0 = !{i96 0, i96 9223372036854775808}
  !1 = !{!"omnipotent char", !2}
  !2 = !{!"Simple C/C++ TBAA"}
...

# Make sure range metadata is not preserved when widening loads, but
# tbaa is.

---
name: split_smrd_load_range
legalized: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; SI-LABEL: name: split_smrd_load_range
    ; SI: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
    ; SI: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (load (<2 x s32>), addrspace 4)
    ; SI: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
    ; SI: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load (s32) from unknown-address + 8, align 8, addrspace 4)
    ; SI: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
    ; SI: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
    ; SI: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
    ; SI: $sgpr0_sgpr1_sgpr2 = COPY [[INSERT1]](<3 x s32>)
    %0:_(p4) = COPY $sgpr0_sgpr1
    %1:_(<3 x s32>) = G_LOAD %0 :: (load (<3 x s32>), align 8, addrspace 4, !range !0)
    $sgpr0_sgpr1_sgpr2 = COPY %1

...

---
name: split_smrd_load_tbaa
legalized: true
body: |
  bb.0:
    liveins: $sgpr0_sgpr1

    ; SI-LABEL: name: split_smrd_load_tbaa
    ; SI: [[COPY:%[0-9]+]]:sgpr(p4) = COPY $sgpr0_sgpr1
    ; SI: [[LOAD:%[0-9]+]]:sgpr(<2 x s32>) = G_LOAD [[COPY]](p4) :: (load (<2 x s32>), !tbaa !2, addrspace 4)
    ; SI: [[C:%[0-9]+]]:sgpr(s64) = G_CONSTANT i64 8
    ; SI: [[PTR_ADD:%[0-9]+]]:sgpr(p4) = G_PTR_ADD [[COPY]], [[C]](s64)
    ; SI: [[LOAD1:%[0-9]+]]:sgpr(s32) = G_LOAD [[PTR_ADD]](p4) :: (load (s32) from unknown-address + 8, align 8, !tbaa !2, addrspace 4)
    ; SI: [[DEF:%[0-9]+]]:sgpr(<3 x s32>) = G_IMPLICIT_DEF
    ; SI: [[INSERT:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[DEF]], [[LOAD]](<2 x s32>), 0
    ; SI: [[INSERT1:%[0-9]+]]:sgpr(<3 x s32>) = G_INSERT [[INSERT]], [[LOAD1]](s32), 64
    ; SI: $sgpr0_sgpr1_sgpr2 = COPY [[INSERT1]](<3 x s32>)
    %0:_(p4) = COPY $sgpr0_sgpr1
    %1:_(<3 x s32>) = G_LOAD %0 :: (load (<3 x s32>), align 8, addrspace 4, !tbaa !1)
    $sgpr0_sgpr1_sgpr2 = COPY %1

...