AMDGPU: Pre-commit a test

[nhaehnle]

Stack:

• [6/6] CodeGen/AMDGPU: Allow 3-address conversion of bundled instructions #166213
• [5/6] CodeGen: Handle bundled instructions in two-address-instructions pass #166212
• [4/6] CodeGen: More accurate mayAlias for instructions with multiple MMOs #166211
• [3/6] CodeGen: Record MMOs in finalizeBundle #166210
• [2/6] CodeGen: Record tied virtual register operands in finalizeBundle #166209
• [1/6] AMDGPU: Pre-commit a test #166414 ⬅

⚠️ Part of a stack created by spr. Merging this PR using the GitHub UI may have unexpected results.

[nhaehnle]

(no review expected)

[llvmbot]

@llvm/pr-subscribers-backend-amdgpu

Author: Nicolai Hähnle (nhaehnle)

Changes

Stack:

• [6/6] #166213
• [5/6] #166212
• [4/6] #166211
• [3/6] #166210
• [2/6] #166209
• [1/6] #166414 ⬅

⚠️ Part of a stack created by spr. Merging this PR using the GitHub UI may have unexpected results.

---

Full diff: https://github.com/llvm/llvm-project/pull/166414.diff

1 Files Affected:

• (modified) llvm/test/CodeGen/AMDGPU/finalizebundle.mir (+13)

diff --git a/llvm/test/CodeGen/AMDGPU/finalizebundle.mir b/llvm/test/CodeGen/AMDGPU/finalizebundle.mir
index 0548bcf304c32..d2ec1fcbac84f 100644
--- a/llvm/test/CodeGen/AMDGPU/finalizebundle.mir
+++ b/llvm/test/CodeGen/AMDGPU/finalizebundle.mir
@@ -34,3 +34,16 @@ body: |
     $vgpr0 = V_MOV_B32_e32 $vgpr1, implicit $exec
     dead $vgpr1 = V_MOV_B32_e32 $vgpr0, implicit $exec
 ...
+
+---
+name: test_tied
+body: |
+  bb.0:
+    ; CHECK-LABEL: name: test_tied
+    ; CHECK: BUNDLE implicit-def %0, implicit-def %2, implicit %1:vgpr_32, implicit $mode, implicit $exec {
+    ; CHECK-NEXT:   [[COPY:%[0-9]+]]:vgpr_32 = COPY %1:vgpr_32
+    ; CHECK-NEXT:   [[V_FMAC_F16_e32_:%[0-9]+]]:vgpr_32 = V_FMAC_F16_e32 internal [[COPY]], internal [[COPY]], %1:vgpr_32, implicit $mode, implicit $exec
+    ; CHECK-NEXT: }
+    %1:vgpr_32 = COPY %0:vgpr_32
+    %2:vgpr_32 = V_FMAC_F16_e32 %1, %1, %0, implicit $mode, implicit $exec
+...