[llvm-branch-commits] [llvm] [AMDGPU] wip: MIR pretty printing for S_WAITCNT_FENCE_soft (PR #150391)

[Matt Arsenault via llvm-branch-commits]

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@@ -12,10 +12,135 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPUMIRFormatter.h"
+#include "SIDefines.h"
 #include "SIMachineFunctionInfo.h"
 
 using namespace llvm;
 
+bool parseAtomicOrdering(StringRef Src, unsigned &Order) {
+  Src.consume_front(".");
+  for (unsigned I = 0; I <= (unsigned)AtomicOrdering::LAST; ++I) {
+    if (Src == toIRString((AtomicOrdering)I)) {
+      Order = I;
+      return true;
+    }
+  }
+  Order = ~0u;
+  return false;
+}
+
+static const char *fmtScope(unsigned Scope) {
+  static const char *Names[] = {"none",      "singlethread", "wavefront",
+                                "workgroup", "agent",        "system"};
+  return Names[Scope];
+}
+
+bool parseAtomicScope(StringRef Src, unsigned &Scope) {
+  Src.consume_front(".");
+  for (unsigned I = 0;
+       I != (unsigned)AMDGPU::SIAtomicScope::NUM_SI_ATOMIC_SCOPES; ++I) {
+    if (Src == fmtScope(I)) {
+      Scope = I;
+      return true;
+    }
+  }
+  Scope = ~0u;
+  return false;
+}
+
+static const char *fmtAddrSpace(unsigned Space) {
+  static const char *Names[] = {"none",    "global", "lds",
+                                "scratch", "gds",    "other"};
+  return Names[Space];
+}
+
+bool parseOneAddrSpace(StringRef Src, unsigned &AddrSpace) {
+  if (Src == "none") {
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arsenm wrote:

StringSwitch? 

https://github.com/llvm/llvm-project/pull/150391