[llvm] [AMDGPU] Use AllowLDSDMA=false in non-hazard passes (part 2) (PR #222086)

[Matt Arsenault via llvm-commits]

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@@ -5298,7 +5261,7 @@ static Register findImplicitSGPRRead(const MachineInstr &MI) {
 }
 
 static bool shouldReadExec(const MachineInstr &MI) {
-  if (SIInstrInfo::isVALU(MI, /*AllowLDSDMA=*/true)) {
+  if (SIInstrInfo::isVALU(MI, /*AllowLDSDMA=*/false)) {
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arsenm wrote:

Why bother with this one 

https://github.com/llvm/llvm-project/pull/222086