# HG changeset patch
# User Shinji KONO <kono@ie.u-ryukyu.ac.jp>
# Date 1729843811 -32400
# Node ID c4e2ca100ab98cefa6baa017cdbcc8558e3f105b
# Parent  8550260c18faadb09f0417e6cb1fadf36977bfbd
llvm worked

diff -r 8550260c18fa -r c4e2ca100ab9 CMakeLists.txt
--- a/CMakeLists.txt	Fri Oct 18 16:06:51 2024 +0900
+++ b/CMakeLists.txt	Fri Oct 25 17:10:11 2024 +0900
@@ -22,8 +22,8 @@
 # add_executable(s-intel   ${COMPILER} s-code-intel.c  )
 # add_executable(s-intel-r   ${COMPILER} s-code-intel-r.c  )
 # add_executable(s-imac   ${COMPILER} s-code-intel-mac.c  )
-add_executable(s-imac64   ${COMPILER} s-code-intel64-mac.c  )
-add_executable(s-imac64-r   ${COMPILER} s-code-intel64-mac-r.c  )
+# add_executable(s-imac64   ${COMPILER} s-code-intel64-mac.c  )
+# add_executable(s-imac64-r   ${COMPILER} s-code-intel64-mac-r.c  )
 add_executable(s-llvm   ${COMPILER} s-code-llvm.c)
 # add_executable(s-sparc    ${COMPILER} s-code-sparc.c  )
 # add_executable(s-rs6k    ${COMPILER} s-code-rs6k.c  )
diff -r 8550260c18fa -r c4e2ca100ab9 README.md
--- a/README.md	Fri Oct 18 16:06:51 2024 +0900
+++ b/README.md	Fri Oct 25 17:10:11 2024 +0900
@@ -8,3 +8,12 @@
  cmake -DCMAKE_MAKE_PROGRAM=make 
 ```
 
+# run on lldb
+
+```
+    lldb ./s-llvm
+    (lldb) b main
+    (lldb) process launch -i s-input.txt
+```
+
+
diff -r 8550260c18fa -r c4e2ca100ab9 s-code-llvm.c
--- a/s-code-llvm.c	Fri Oct 18 16:06:51 2024 +0900
+++ b/s-code-llvm.c	Fri Oct 25 17:10:11 2024 +0900
@@ -12,13 +12,13 @@
     "; ModuleID = 'tmp.c'\n",
     "source_filename = \"tmp.c\"\n",
     "target datalayout = \"e-m:o-i64:64-i128:128-n32:64-S128\"\n",
-    "target triple = \"arm64-apple-macosx14.0.0"\n",
+    "target triple = \"arm64-apple-macosx14.0.0\"\n",
     "\n",
     "@a = global i64 4, align 8\n",
     "@b = global i64 3, align 8\n",
     "@p = global i64 3, align 8\n",
-    "@.str = private unnamed_addr constant [5 x i8] c\"%ld\0A\00\", align 1\n",
-    "@v = common global [100 x i64] zeroinitializer, align 8\n",
+    "@.str = private unnamed_addr constant [5 x i8] c\"%ld\\0A\\00\", align 1\n",
+    "@variable = common global [100 x i32] zeroinitializer, align 8\n",
     "\n",
     "; Function Attrs: noinline nounwind optnone ssp uwtable(sync)\n",
     "define void @print(i64 noundef %0) #0 {\n",
@@ -47,19 +47,8 @@
 
 static
 char *ending[] = {
-  "  store i64 %6, ptr @a, align 8\n",
-  "  %7 = load i64, ptr @a, align 8\n",
-  "  call void @print(i64 noundef %7)\n",
-  "  %8 = load i64, ptr @p, align 8\n",
-  "  %9 = getelementptr inbounds [100 x i64], ptr @v, i64 0, i64 %8\n",
-  "  store i64 3, ptr %9, align 8\n",
-  "  %10 = load i64, ptr @p, align 8\n",
-  "  %11 = getelementptr inbounds [100 x i64], ptr @v, i64 0, i64 %10\n",
-  "  %12 = load i64, ptr %11, align 8\n",
-  "  call void @print(i64 noundef %12)\n",
-  "  %13 = load i64, ptr @a, align 8\n",
-  "  %14 = trunc i64 %13 to i32\n",
-  "  ret i32 %14\n",
+  // "  %7 = add i32 0, 0\n",
+  // "  ret i32 %7\n",
   "}\n",
   "\n",
   "attributes #0 = { noinline nounwind optnone ssp uwtable(sync) \"frame-pointer\"=\"non-leaf\" \"min-legal-vector-width\"=\"0\" \"no-trapping-math\"=\"true\" \"probe-stack\"=\"__chkstk_darwin\" \"stack-protector-buffer-size\"=\"8\" \"target-cpu\"=\"apple-m1\" \"target-features\"=\"+aes,+crc,+crypto,+dotprod,+fp-armv8,+fp16fml,+fullfp16,+lse,+neon,+ras,+rcpc,+rdm,+sha2,+sha3,+sm4,+v8.1a,+v8.2a,+v8.3a,+v8.4a,+v8.5a,+v8a,+zcm,+zcz\" }\n",
@@ -83,14 +72,14 @@
 static int  xreg;     /* operand register  */
 static int  reg_sp;   /* REGister Stack-Pointer */
 
-#define MAX_MAX  20
+#define MAX_MAX  200000
 static int regs[MAX_MAX];       /* 使われているレジスタを示すフラグ */
 static int reg_stack[MAX_MAX];  /* 実際のレジスタの領域 */
 
-const int	MAX_REGISTER=20;
+const int	MAX_REGISTER=100000;
 
-static int 
-get_register() 
+static int
+get_register()
 {    /* 使われていないレジスタを調べる */
     int i;
     for(i=0;i<MAX_REGISTER;i++) {
@@ -102,9 +91,9 @@
     return -1;    /* 空いている場所がないなら、それを表す -1 を返す */
 }
 
-static void 
+static void
 free_register(int i) {    /* いらなくなったレジスタを開放 */
-    regs[i]=0;
+    // regs[i]=0;
 }
 
 /*
@@ -113,25 +102,22 @@
 {
     int i;
     for(i=0;i<MAX_REGISTER;i++) {
-	if (! regs[i]) { 
-	    return 0;  
+	if (! regs[i]) {
+	    return 0;
 	}
     }
-    return 1;    
+    return 1;
 }
 */
 
-void 
-emit_init() 
+void
+emit_init()
 {
-    int i;
-    for(i=0;i<MAX_REGISTER;i++) regs[i]=0;
-    creg = get_register();
     reg_sp = 0;
 }
 
-static int 
-pop_register() 
+static int
+pop_register()
 {     /* レジスタから値を取り出す */
     int i;
 
@@ -142,22 +128,22 @@
 	return i;
     } else {
 	lreg = i;
-	regs[i]=0;
+	// regs[i]=0;
 	return lreg;
     }
 }
 
-void 
+void
 emit_push()
 {
-    int new_reg;
-    new_reg = get_register();
-    if(new_reg<0) {                     /* もうレジスタがない */
-        printf("Compilation error: too complex expression\n");
-    } else {
+    // int new_reg;
+    // new_reg = get_register();
+    // if(new_reg<0) {                     /* もうレジスタがない */
+        // printf("Compilation error: too complex expression\n");
+    // } else {
 	reg_stack[reg_sp++] = creg;     /* push するかわりにレジスタを使う */
-	creg = new_reg;
-    }
+	// creg = new_reg;
+    // }
 }
 
 int
@@ -170,12 +156,15 @@
 
 
 void
-emit_compare() 
+emit_compare()
 {
     int oreg;
     oreg = emit_pop();
-    printf("\t%%%d = icmp sgt i32 %%%d %%%d\n",creg,oreg,oreg);
-    printf("\t%%%d = zext i1 %%%d to i32\n",creg,creg);
+    creg = get_register();
+    int creg0 = creg ;
+    printf("\t%%%d = icmp sgt i32 %%%d, %%%d\n",creg,oreg,oreg);
+    creg = get_register();
+    printf("\t%%%d = zext i1 %%%d to i32\n",creg,creg0);
 }
 
 void
@@ -183,8 +172,8 @@
 {
     int tmp = get_register();
 
-    printf("\t%%%d = getelementptr inbounds [48 x i32]* @variable, i32 0, i64 %d\n",tmp,assign);
-    printf("\tstore i32 %%%d i32* %%%d, align 4\n",creg,tmp);
+    printf("\t%%%d = getelementptr inbounds [48 x i32], ptr @variable, i32 0, i32 %d\n",tmp,assign);
+    printf("\tstore i32  %%%d, ptr %%%d, align 4\n",creg,tmp);
 
     free_register(tmp);
 }
@@ -193,8 +182,9 @@
 emit_load(int d)
 {
     int tmp = get_register();
-    printf("\t%%%d = getelementptr inbounds [48 x i32]* @variable, i32 0, i64 %d\n", tmp, d);
-    printf("\t%%%d = load i32* %%%d, align 4\n", creg, tmp);
+    printf("\t%%%d = getelementptr inbounds [48 x i32], ptr @variable, i32 0, i32 %d\n", tmp, d);
+    creg = get_register();
+    printf("\t%%%d = load i32, ptr %%%d, align 4\n", creg, tmp);
 
     free_register(tmp);
 }
@@ -220,6 +210,7 @@
 {
     int oreg;
     oreg = emit_pop();
+    creg = get_register();
     if(op==O_DIV) {
         printf("\t%%%d = %s %%%d, %%%d\n",creg,opcode[op],oreg,oreg);
     } else if(op==O_SUB) {
@@ -232,7 +223,9 @@
 void
 emit_value(int d)
 {
-    printf("\t%%%d =  i32 %d\n",creg,d);
+    creg = get_register();
+    printf("\t%%%d = add i32 0, %d\n",creg, d);
+    // printf("\t%%%d =  %d\n",creg,d);
 }
 
 void
@@ -253,7 +246,9 @@
 void
 emit_print()
 {
-    printf("\t%%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 %%%d, i32 0))\n", creg);
+    // printf("\t%%call = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([13 x i8]* @.str, i32 %%%d, i32 0))\n", creg);
+    printf("\tcall i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %%%d)\n", creg);
+    creg = get_register();
 }
 
 
@@ -264,11 +259,17 @@
     for(iptr=intro;*iptr;iptr++) {
         printf("%s",*iptr);
     }
+    int i ;
+    for(i=0;i<MAX_REGISTER;i++) regs[i]=0;
+    for(i=0;i<7;i++) regs[i]=1;
 }
 
 void
 emit_ending()
 {
+    creg = get_register();
+    printf("\t%%%d = add i32 0, 0\n",creg);
+    printf("\tret i32 %%%d\n",creg);
     char **iptr;
     for(iptr=ending;*iptr;iptr++) {
         printf("%s",*iptr);