Adds results / infrastructure for experimental Julia LLVM C backend.

experiment/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "experiment"
+version = "0.1.0"
+edition = "2021"
+
+[[bin]]
+name = "hello"
+path = "hello.rs"
+
+[profile.dev]
+panic = "abort"

experiment/hello-d2572ac3d86beeec.cbe.c

@@ -0,0 +1,119 @@
+/* Provide Declarations */
+#include <stdint.h>
+#ifndef __cplusplus
+typedef unsigned char bool;
+#endif
+
+#ifdef _MSC_VER
+#define __noreturn __declspec(noreturn)
+#else
+#define __noreturn __attribute__((noreturn))
+#endif
+#if defined(__GNUC__)
+#define __HIDDEN__ __attribute__((visibility("hidden")))
+#endif
+
+#if defined(__GNUC__)
+#define  __ATTRIBUTELIST__(x) __attribute__(x)
+#else
+#define  __ATTRIBUTELIST__(x)  
+#endif
+
+#ifdef _MSC_VER  /* Can only support "linkonce" vars with GCC */
+#define __attribute__(X)
+#endif
+
+#ifdef _MSC_VER
+#define __PREFIXALIGN__(X) __declspec(align(X))
+#define __POSTFIXALIGN__(X)
+#else
+#define __PREFIXALIGN__(X)
+#define __POSTFIXALIGN__(X) __attribute__((aligned(X)))
+#endif
+
+
+
+/* Global Declarations */
+
+/* Types Declarations */
+struct l_array_8_uint8_t;
+struct l_array_8192_uint8_t;
+struct l_array_1024_uint64_t;
+
+/* Function definitions */
+
+/* Types Definitions */
+struct l_array_8_uint8_t {
+  uint8_t array[8];
+};
+struct l_array_8192_uint8_t {
+  uint8_t array[8192];
+};
+struct l_array_1024_uint64_t {
+  uint64_t array[1024];
+};
+
+/* Function Declarations */
+__noreturn void rust_begin_unwind(void* llvm_cbe__info) __ATTRIBUTELIST__((nothrow)) __HIDDEN__;
+int main(void) __ATTRIBUTELIST__((nothrow));
+static struct l_array_8192_uint8_t _ZN5hello7NyanCat3new17h30ee6a53e41098f9E(void) __ATTRIBUTELIST__((nothrow));
+struct l_array_8192_uint8_t nyaa(void) __ATTRIBUTELIST__((nothrow));
+void* memset(void* _3, uint32_t _4, uint64_t _5);
+void* memcpy(void* _6, void* _7, uint64_t _8);
+
+
+/* LLVM Intrinsic Builtin Function Bodies */
+
+
+/* Function Bodies */
+
+__noreturn void rust_begin_unwind(void* llvm_cbe__info) {
+  __PREFIXALIGN__(8) struct l_array_8_uint8_t llvm_cbe__info_2e_dbg_2e_spill __POSTFIXALIGN__(8);    /* Address-exposed local */
+
+  *((void**)&llvm_cbe__info_2e_dbg_2e_spill) = llvm_cbe__info;
+  goto llvm_cbe_bb1;
+
+  do {     /* Syntactic loop 'bb1' to make GCC happy */
+llvm_cbe_bb1:
+  goto llvm_cbe_bb1;
+
+  } while (1); /* end of syntactic loop 'bb1' */
+}
+
+
+int main(void) {
+  __PREFIXALIGN__(8) struct l_array_8192_uint8_t llvm_cbe_nyan_cat __POSTFIXALIGN__(8);    /* Address-exposed local */
+  uint64_t llvm_cbe__6;
+
+#line 11 "/Users/may/Documents/GitHub/rustc_codegen_c/experiment/hello.rs"
+  llvm_cbe_nyan_cat = nyaa();
+#line 12 "/Users/may/Documents/GitHub/rustc_codegen_c/experiment/hello.rs"
+  *(uint64_t*)(((&((struct l_array_1024_uint64_t*)&llvm_cbe_nyan_cat)->array[((int64_t)512)]))) = 42;
+#line 13 "/Users/may/Documents/GitHub/rustc_codegen_c/experiment/hello.rs"
+  llvm_cbe__6 = *(uint64_t*)(((&((struct l_array_1024_uint64_t*)&llvm_cbe_nyan_cat)->array[((int64_t)512)])));
+  return (((uint32_t)llvm_cbe__6));
+}
+
+
+static struct l_array_8192_uint8_t _ZN5hello7NyanCat3new17h30ee6a53e41098f9E(void) {
+  struct l_array_8192_uint8_t StructReturn;  /* Struct return temporary */
+  struct l_array_8192_uint8_t* llvm_cbe__0 = &StructReturn;
+  __PREFIXALIGN__(8) struct l_array_8192_uint8_t llvm_cbe__1 __POSTFIXALIGN__(8);    /* Address-exposed local */
+  void* _1;
+  void* _2;
+
+#line 23 "/Users/may/Documents/GitHub/rustc_codegen_c/experiment/hello.rs"
+  _1 = memset((&llvm_cbe__1), 0, 8192);
+  _2 = memcpy(llvm_cbe__0, (&llvm_cbe__1), 8192);
+  return StructReturn;
+}
+
+
+struct l_array_8192_uint8_t nyaa(void) {
+  struct l_array_8192_uint8_t StructReturn;  /* Struct return temporary */
+  struct l_array_8192_uint8_t* llvm_cbe__0 = &StructReturn;
+#line 29 "/Users/may/Documents/GitHub/rustc_codegen_c/experiment/hello.rs"
+  *(llvm_cbe__0) = _ZN5hello7NyanCat3new17h30ee6a53e41098f9E();
+  return StructReturn;
+}
+