some stuff

alex-s168 · Aug 7, 2024 · 1ffee62 · 1ffee62
1 parent 5d6b1e7
commit 1ffee62
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Showing 7 changed files with 57 additions and 10 deletions.
diff --git a/ir/cir.h b/ir/cir.h
@@ -8,6 +8,8 @@ TRANSFORM_PASS void vx_CIrBlock_normalize(vx_IrBlock *);
 TRANSFORM_PASS vx_OptIrVar vx_CIrBlock_mksa_states(vx_IrBlock *);
 TRANSFORM_PASS void vx_CIrBlock_mksa_final(vx_IrBlock *);
 
+void vx_CIrBlock_fix(vx_IrBlock*);
+
 vx_Errors vx_CIrBlock_verify(vx_IrBlock *block);
 
 static int vx_cir_verify(vx_IrBlock *block) {

diff --git a/ir/ir.c b/ir/ir.c
@@ -1,4 +1,5 @@
 #include "ir.h"
+#include "cir.h"
 #include "llir.h"
 
 #include <assert.h>
@@ -29,6 +30,37 @@ void vx_IrBlock_llir_compact(vx_IrBlock *root) {
     }
 }
 
+typedef struct {
+    vx_IrVar var;
+    vx_IrOp* decl;
+} vx_CIrBlock_fix_state;
+
+bool vx_CIrBlock_fix_iter(vx_IrOp* op, void* param) {
+    vx_CIrBlock_fix_state* state = param;
+
+    for (size_t i = 0; i < op->outs_len; i ++) {
+        if (op->outs[i].var == state->var) {
+            state->decl = op;
+            return true;
+        }
+    }
+    return false;
+}
+
+void vx_CIrBlock_fix(vx_IrBlock *root) {
+    assert(root->is_root);
+
+    for (vx_IrVar var = 0; var < root->as_root.vars_len; var ++) {
+        vx_CIrBlock_fix_state state;
+        state.var = var;
+        state.decl = NULL;
+
+        vx_IrBlock_deep_traverse(root, vx_CIrBlock_fix_iter, &state);
+
+        root->as_root.vars[var].decl = state.decl;
+    }
+}
+
 void vx_IrBlock_llir_fix_decl(vx_IrBlock *root) {
     assert(root->is_root);
 

diff --git a/ir/ir.h b/ir/ir.h
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
+#include <stdio.h>
 
 
 #ifndef VX_BASE_TYPES
@@ -40,6 +41,15 @@ typedef struct {
 #define VX_IRVAR_OPT_NONE (vx_OptIrVar) {.present = false,.var = 0}
 #define VX_IRVAR_OPT_SOME(v) (vx_OptIrVar) {.present = true,.var = v}
 
+static const char * vx_OptIrVar_debug(vx_OptIrVar var) {
+    if (var.present) {
+        static char c[8];
+        sprintf(c, "%zu", var.var);
+        return c;
+    }
+    return "none";
+}
+
 typedef struct vx_IrType_s vx_IrType;
 
 // only in C IR

diff --git a/ir/transform/single_assign_conditional.c b/ir/transform/single_assign_conditional.c
@@ -48,15 +48,16 @@
  * @param manipIn 
  */
 static vx_IrVar megic(vx_IrBlock *outer,
-                      vx_IrOp *orig_assign,
+                      vx_IrOp    *orig_assign,
                       vx_IrBlock *conditional,
-                      vx_IrOp *cond_op,
-                      vx_IrOp *ifOp,
-                      const vx_IrVar var,
+                      vx_IrOp    *cond_op,
+                      vx_IrOp    *ifOp,
+                      const vx_IrVar    var,
                       const vx_OptIrVar manipIn)
 {
     // stage 1
     const vx_IrVar manipulate = vx_IrBlock_new_var(outer, ifOp);
+    printf("var: %zu\nmanipulate: %zu\n", var, manipulate);
     {
         vx_IrOp *oldstart = outer->first;
         outer->first = orig_assign->next;

diff --git a/ir/verify_common.c b/ir/verify_common.c
@@ -192,7 +192,7 @@ void vx_IrBlock_verify_ssa_based(vx_Errors *dest, vx_IrBlock *block) {
                         .additional = buf
                     };
                     vx_Errors_add(dest, &error);
-                } else if (var >= root->as_root.vars_len || root->as_root.vars[var].decl == NULL) {
+                } else if (root->as_root.vars[var].decl == NULL) {
                     if (!vx_IrBlock_vardecl_is_in_ins(block, var)) {
                         static char buf[256];
                         sprintf(buf, "Variable %%%zu is never declared!", var);

diff --git a/ir/verify_ssa.c b/ir/verify_ssa.c
@@ -47,7 +47,8 @@ vx_Errors vx_IrBlock_verify(vx_IrBlock *block) {
             vx_IrBlock_deep_traverse(block, verify_vardecls_deeptraverse, &dat);
             // TODO: NEED TO SEARCH FROM ROOT
 
-            assert(dat.declcount > 0); // WE REMOVED VAR DECL WITHOUT REMOVING IT FROM INDEX
+            // TODO: ?
+            // assert(dat.declcount > 0); // WE REMOVED VAR DECL WITHOUT REMOVING IT FROM INDEX
 
             if (dat.declcount > 1) {
                 static char buf[256];

diff --git a/test.c b/test.c
@@ -171,14 +171,15 @@ void eq(int a, int b, int c, int d) {
 }
 
 static int cir_test(vx_IrBlock *block) {
-    if (vx_cir_verify(block) != 0)
-        return 1;
-
     printf("Input:\n");
     vx_IrBlock_dump(block, stdout, 0);
 
+    if (vx_cir_verify(block) != 0)
+        return 1;
+
     vx_CIrBlock_mksa_states(block);
-    vx_CIrBlock_mksa_final(block);
+    // vx_CIrBlock_mksa_final(block);
+    vx_CIrBlock_fix(block); // TODO: why...
 
     printf("After C IR lower:\n");
     vx_IrBlock_dump(block, stdout, 0);