1 files changed, 100 insertions, 0 deletions
diff --git a/lib/Target/Lanai/LanaiCondCode.h b/lib/Target/Lanai/LanaiCondCode.h
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index 000000000000..6c5bdefc83dc
--- /dev/null
+++ b/lib/Target/Lanai/LanaiCondCode.h
@@ -0,0 +1,100 @@
+// The encoding used for conditional codes used in BR instructions
+
+#ifndef LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
+#define LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H
+
+#include "llvm/ADT/StringSwitch.h"
+
+namespace llvm {
+namespace LPCC {
+enum CondCode {
+  ICC_T = 0,   //  true
+  ICC_F = 1,   //  false
+  ICC_HI = 2,  //  high
+  ICC_UGT = 2, //  unsigned greater than
+  ICC_LS = 3,  //  low or same
+  ICC_ULE = 3, //  unsigned less than or equal
+  ICC_CC = 4,  //  carry cleared
+  ICC_ULT = 4, //  unsigned less than
+  ICC_CS = 5,  //  carry set
+  ICC_UGE = 5, //  unsigned greater than or equal
+  ICC_NE = 6,  //  not equal
+  ICC_EQ = 7,  //  equal
+  ICC_VC = 8,  //  oVerflow cleared
+  ICC_VS = 9,  //  oVerflow set
+  ICC_PL = 10, //  plus
+  ICC_MI = 11, //  minus
+  ICC_GE = 12, //  greater than or equal
+  ICC_LT = 13, //  less than
+  ICC_GT = 14, //  greater than
+  ICC_LE = 15, //  less than or equal
+  UNKNOWN
+};
+
+inline static StringRef lanaiCondCodeToString(LPCC::CondCode CC) {
+  switch (CC) {
+  case LPCC::ICC_T:
+    return "t"; // true
+  case LPCC::ICC_F:
+    return "f"; // false
+  case LPCC::ICC_NE:
+    return "ne"; // not equal
+  case LPCC::ICC_EQ:
+    return "eq"; // equal
+  case LPCC::ICC_VC:
+    return "vc"; // oVerflow cleared
+  case LPCC::ICC_VS:
+    return "vs"; // oVerflow set
+  case LPCC::ICC_PL:
+    return "pl"; // plus
+  case LPCC::ICC_MI:
+    return "mi"; // minus
+  case LPCC::ICC_GE:
+    return "ge"; // greater than or equal
+  case LPCC::ICC_LT:
+    return "lt"; // less than
+  case LPCC::ICC_GT:
+    return "gt"; // greater than
+  case LPCC::ICC_LE:
+    return "le"; // less than or equal
+  case LPCC::ICC_UGT:
+    return "ugt"; // high | unsigned greater than
+  case LPCC::ICC_ULE:
+    return "ule"; // low or same | unsigned less or equal
+  case LPCC::ICC_ULT:
+    return "ult"; // carry cleared | unsigned less than
+  case LPCC::ICC_UGE:
+    return "uge"; // carry set | unsigned than or equal
+  default:
+    llvm_unreachable("Invalid cond code");
+  }
+}
+
+inline static CondCode suffixToLanaiCondCode(StringRef S) {
+  return StringSwitch<CondCode>(S)
+      .EndsWith("f", LPCC::ICC_F)
+      .EndsWith("hi", LPCC::ICC_HI)
+      .EndsWith("ugt", LPCC::ICC_UGT)
+      .EndsWith("ls", LPCC::ICC_LS)
+      .EndsWith("ule", LPCC::ICC_ULE)
+      .EndsWith("cc", LPCC::ICC_CC)
+      .EndsWith("ult", LPCC::ICC_ULT)
+      .EndsWith("cs", LPCC::ICC_CS)
+      .EndsWith("uge", LPCC::ICC_UGE)
+      .EndsWith("ne", LPCC::ICC_NE)
+      .EndsWith("eq", LPCC::ICC_EQ)
+      .EndsWith("vc", LPCC::ICC_VC)
+      .EndsWith("vs", LPCC::ICC_VS)
+      .EndsWith("pl", LPCC::ICC_PL)
+      .EndsWith("mi", LPCC::ICC_MI)
+      .EndsWith("ge", LPCC::ICC_GE)
+      .EndsWith("lt", LPCC::ICC_LT)
+      .EndsWith("gt", LPCC::ICC_GT)
+      .EndsWith("le", LPCC::ICC_LE)
+      .EndsWith("t", LPCC::ICC_T) // Has to be after others with suffix t
+      .Default(LPCC::UNKNOWN);
+}
+} // namespace LPCC
+} // namespace llvm
+
+#endif // LLVM_LIB_TARGET_LANAI_LANAICONDCODE_H