[llvm] [AMDGPU] 4-align TTMP triples (PR #132759)

[Shilei Tian via llvm-commits]

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@@ -129,13 +129,13 @@ body:             |
     ; CHECK-NEXT: [[COPY1:%[0-9]+]]:vreg_64 = COPY $vgpr2_vgpr3
     ; CHECK-NEXT: undef [[COPY2:%[0-9]+]].sub0_sub1:areg_128 = COPY [[COPY]]
     ; CHECK-NEXT: [[COPY2:%[0-9]+]].sub2_sub3:areg_128 = COPY [[COPY1]]
-    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6225929 /* reguse:AReg_128 */, [[COPY2]]
+    ; CHECK-NEXT: INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, [[COPY2]]
     ; CHECK-NEXT: SI_RETURN
     %0:vreg_64 = COPY $vgpr0_vgpr1
     %1:vreg_64 = COPY $vgpr2_vgpr3
     undef %2.sub0_sub1:areg_128 = COPY %0
     %2.sub2_sub3:areg_128 = COPY %1
-    INLINEASM &"; use $0", 0 /* attdialect */, 6225929 /* reguse:AReg_128 */, killed %2
+    INLINEASM &"; use $0", 0 /* attdialect */, 6029321 /* reguse:AReg_128 */, killed %2
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shiltian wrote:

What is the rule behind this? It takes the register number with additional shift and mask right? If we know the rules, we could probably come up with some sort of semi-auto tool.

https://github.com/llvm/llvm-project/pull/132759