[llvm] [AMDGPU] High VGPR waitcnt generation tests. NFC. (PR #157533)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Stanislav Mekhanoshin (rampitec)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/157533.diff


1 Files Affected:

- (added) llvm/test/CodeGen/AMDGPU/waitcnt-gfx1250.mir (+95) 


``````````diff
diff --git a/llvm/test/CodeGen/AMDGPU/waitcnt-gfx1250.mir b/llvm/test/CodeGen/AMDGPU/waitcnt-gfx1250.mir
new file mode 100644
index 0000000000000..b1f36afe5e478
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/waitcnt-gfx1250.mir
@@ -0,0 +1,95 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 2
+# RUN: llc -mtriple=amdgcn -mcpu=gfx1250 -run-pass si-insert-waitcnts %s -o - | FileCheck %s --check-prefix=GCN
+
+---
+name: no_wait_between_low_and_high_vgpr
+body: |
+  bb.0:
+    ; GCN-LABEL: name: no_wait_between_low_and_high_vgpr
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr0 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr256, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr0 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr256, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...
+
+---
+name: wait_between_high_and_high_vgpr
+body: |
+  bb.0:
+    ; GCN-LABEL: name: wait_between_high_and_high_vgpr
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr511 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr511, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr511 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr511, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...
+
+---
+name: no_wait_between_low_and_high_vgpr_512
+body: |
+  bb.0:
+    ; GCN-LABEL: name: no_wait_between_low_and_high_vgpr_512
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr0 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr0 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...
+
+---
+name: wait_between_high_and_high_vgpr_512
+body: |
+  bb.0:
+    ; GCN-LABEL: name: wait_between_high_and_high_vgpr_512
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr512 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr512 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...
+
+---
+name: no_wait_between_high_vgpr_768_and_high_vgpr_512
+body: |
+  bb.0:
+    ; GCN-LABEL: name: no_wait_between_high_vgpr_768_and_high_vgpr_512
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr768 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr768 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr512, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...
+
+---
+name: wait_between_high_and_high_vgpr_768
+body: |
+  bb.0:
+    ; GCN-LABEL: name: wait_between_high_and_high_vgpr_768
+    ; GCN: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: S_WAIT_KMCNT 0
+    ; GCN-NEXT: $vgpr768 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_WAIT_LOADCNT_DSCNT 0
+    ; GCN-NEXT: FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr768, 0, 0, implicit $exec, implicit $flat_scr
+    ; GCN-NEXT: S_ENDPGM 0
+    $vgpr768 = FLAT_LOAD_DWORD undef $vgpr2_vgpr3, 0, 0, implicit $exec, implicit $flat_scr
+    FLAT_STORE_DWORD undef $vgpr4_vgpr5, $vgpr768, 0, 0, implicit $exec, implicit $flat_scr
+    S_ENDPGM 0
+...

``````````

</details>


https://github.com/llvm/llvm-project/pull/157533