Dump out the non SSA ID with the register pool data so that we can see what slots were assigned

Author: dibyendumajumdar

optvm/src/main/java/com/compilerprogramming/ezlang/compiler/Register.java

@@ -83,7 +83,7 @@ public String name() {
      * During SSA form this is not valid for registers that are instances of SSARegister.
      */
     public int nonSSAId() {
-        assert frameSlot >= 0;
+        //assert frameSlot >= 0; // assert inteferes with verbose display
         return frameSlot;
     }
     public void updateSlot(int slot) {

optvm/src/main/java/com/compilerprogramming/ezlang/compiler/RegisterPool.java

@@ -49,7 +49,7 @@ public int numRegisters() {
     }
     public void toStr(StringBuilder sb) {
         for (Register reg : registers) {
-            sb.append("Reg #").append(reg.id).append(" ").append(reg.name()).append("\n");
+            sb.append("Reg #").append(reg.id).append(" ").append(reg.name()).append(" ").append(reg.nonSSAId()).append("\n");
         }
     }
 }

optvm/src/test/java/com/compilerprogramming/ezlang/compiler/TestLiveness.java

@@ -39,19 +39,19 @@ func foo() {
         String output = Compiler.dumpIR(typeDict, true);
         Assert.assertEquals("""
 func print(n: Int)
-Reg #0 n
+Reg #0 n 0
 L0:
     arg n
     goto  L1
 L1:
 func foo()
-Reg #0 i
-Reg #1 s
-Reg #2 %t2
-Reg #3 %t3
-Reg #4 %t4
-Reg #5 %t5
-Reg #6 %t6
+Reg #0 i 0
+Reg #1 s 1
+Reg #2 %t2 2
+Reg #3 %t3 3
+Reg #4 %t4 4
+Reg #5 %t5 5
+Reg #6 %t6 6
 L0:
     i = 1
     s = 1
@@ -159,13 +159,13 @@ func foo(a: Int, b: Int) {
         String output = Compiler.dumpIR(typeDict, true);
         Assert.assertEquals("""
 func foo(a: Int,b: Int)
-Reg #0 a
-Reg #1 b
-Reg #2 %t2
-Reg #3 %t3
-Reg #4 %t4
-Reg #5 %t5
-Reg #6 %t6
+Reg #0 a 0
+Reg #1 b 1
+Reg #2 %t2 2
+Reg #3 %t3 3
+Reg #4 %t4 4
+Reg #5 %t5 5
+Reg #6 %t6 6
 L0:
     arg a
     arg b
@@ -305,8 +305,8 @@ public void test3() {
         String actual = function.toStr(new StringBuilder(), true).toString();
         Assert.assertEquals("""
 func foo()->Int
-Reg #0 i
-Reg #1 s
+Reg #0 i 0
+Reg #1 s 1
 L0:
     i = 1
     goto  L2
@@ -370,11 +370,11 @@ public void testSwapProblem() {
         String actual = function.toStr(new StringBuilder(), true).toString();
         Assert.assertEquals("""
 func foo(p: Int)
-Reg #0 p
-Reg #1 a1
-Reg #2 a2
-Reg #3 b1
-Reg #4 b2
+Reg #0 p 0
+Reg #1 a1 1
+Reg #2 a2 2
+Reg #3 b1 3
+Reg #4 b2 4
 L0:
     arg p
     a1 = 42
@@ -413,10 +413,10 @@ public void testLostCopyProblem() {
         String actual = function.toStr(new StringBuilder(), true).toString();
         Assert.assertEquals("""
 func foo(p: Int)->Int
-Reg #0 p
-Reg #1 x1
-Reg #2 x3
-Reg #3 x2
+Reg #0 p 0
+Reg #1 x1 1
+Reg #2 x3 2
+Reg #3 x2 3
 L0:
     arg p
     x1 = 1
@@ -470,7 +470,7 @@ func foo()->Int
         Assert.assertEquals("""
 Pre-SSA
 func foo()->Int
-Reg #0 %t0
+Reg #0 %t0 0
 L0:
     if 1 goto L2 else goto L3
     #PHIDEFS = {}
@@ -515,10 +515,10 @@ func foo()->Int
     #LIVEOUT = {0}
 Post-SSA
 func foo()->Int
-Reg #0 %t0
-Reg #1 %t0_0
-Reg #2 %t0_1
-Reg #3 %t0_2
+Reg #0 %t0 0
+Reg #1 %t0_0 0
+Reg #2 %t0_1 0
+Reg #3 %t0_2 0
 L0:
     if 1 goto L2 else goto L3
     #PHIDEFS = {}