[llvm] [SDag] Notify listeners when deleting a node (PR #66991)

[Simon Pilgrim via llvm-commits]

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@@ -29,7 +33,9 @@ define <8 x i32> @shuffle_v8i32_0dcd3f14_constant(<8 x i32> %a0)  {
 ; CHECK-NEXT:    vblendps {{.*#+}} xmm1 = xmm1[0],xmm0[1,2,3]
 ; CHECK-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[3,1,1,0]
 ; CHECK-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; CHECK-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0],mem[1,2,3],ymm0[4],mem[5],ymm0[6,7]
+; CHECK-NEXT:    vbroadcastf128 {{.*#+}} ymm1 = mem[0,1,0,1]
+; CHECK-NEXT:    vshufpd {{.*#+}} ymm1 = ymm1[0,0,3,2]
+; CHECK-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0],ymm1[1,2,3],ymm0[4],ymm1[5],ymm0[6,7]
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RKSimon wrote:

getTargetConstantFromBasePtr currently only works for constant pool pointers with no offset - I'll add a TODO for now

https://github.com/llvm/llvm-project/pull/66991