[lld] [llvm] [X86] movsd/movss/movd/movq - add support for constant comments (PR #78601)

[Simon Pilgrim via llvm-commits]

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@@ -5,7 +5,7 @@ define i64 @test1() nounwind {
 ; CHECK-LABEL: test1:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    #APP
-; CHECK-NEXT:    vmovq {{.*#+}} xmm16 = mem[0],zero
+; CHECK-NEXT:    vmovq 0, %xmm16
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RKSimon wrote:

The instruction comes from inline assembly, when we had the comments in MC we could handle them, but not after moving to MI.

https://github.com/llvm/llvm-project/pull/78601