Fix several coding style and return value unchecked issues (#722)

And enable building Windows CI with multi cores

.github/workflows/windows.yml

@@ -30,55 +30,55 @@ jobs:
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake ..
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [aot only]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_AOT=1 -DWAMR_BUILD_INTERP=0
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [interp only]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_AOT=0
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [tail call]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_TAIL_CALL=1
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [custom name section]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_CUSTOM_NAME_SECTION=1
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [disable hardware boundary check]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_DISABLE_HW_BOUND_CHECK=1
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [reference types]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_REF_TYPES=1
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
     - name: Build iwasm [128-bit SIMD]
       run: |
         cd product-mini/platforms/windows
         mkdir build && cd build
         cmake .. -DWAMR_BUILD_SIMD=1
-        cmake --build . --config Release
+        cmake --build . --config Release --parallel 4
         cd .. && rm -force -r build
 

core/iwasm/compilation/aot_emit_compare.c

@@ -4,7 +4,7 @@
  */
 
 #include "aot_emit_compare.h"
-#include "aot_intrinsic.h"
+#include "../aot/aot_intrinsic.h"
 
 static bool
 int_cond_to_llvm_op(IntCond cond, LLVMIntPredicate *op)
@@ -158,23 +158,25 @@ aot_compile_op_f32_compare(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
     POP_F32(rhs);
     POP_F32(lhs);
 
-    if (comp_ctx->disable_llvm_intrinsics && aot_intrinsic_check_capability(comp_ctx, "f32_cmp"))
-    {
+    if (comp_ctx->disable_llvm_intrinsics
+        && aot_intrinsic_check_capability(comp_ctx, "f32_cmp")) {
         LLVMTypeRef param_types[3];
         LLVMValueRef opcond = LLVMConstInt(I32_TYPE, cond, true);
         param_types[0] = I32_TYPE;
         param_types[1] = F32_TYPE;
         param_types[2] = F32_TYPE;
-        res = aot_call_llvm_intrinsic(comp_ctx, func_ctx, "f32_cmp", I32_TYPE, param_types, 3, opcond, lhs, rhs);
+        res = aot_call_llvm_intrinsic(comp_ctx, func_ctx, "f32_cmp", I32_TYPE,
+                                      param_types, 3, opcond, lhs, rhs);
+        if (!res) {
+            goto fail;
+        }
         res = LLVMBuildIntCast(comp_ctx->builder, res, INT1_TYPE, "bit_cast");
     }
-    else
-    {
+    else {
         res = LLVMBuildFCmp(comp_ctx->builder, op, lhs, rhs, "f32_cmp");
     }
 
-    if (!res)
-    {
+    if (!res) {
         aot_set_last_error("llvm build compare failed.");
         return false;
     }
@@ -200,23 +202,25 @@ aot_compile_op_f64_compare(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
     POP_F64(rhs);
     POP_F64(lhs);
 
-    if (comp_ctx->disable_llvm_intrinsics && aot_intrinsic_check_capability(comp_ctx, "f64_cmp"))
-    {
+    if (comp_ctx->disable_llvm_intrinsics
+        && aot_intrinsic_check_capability(comp_ctx, "f64_cmp")) {
         LLVMTypeRef param_types[3];
         LLVMValueRef opcond = LLVMConstInt(I32_TYPE, cond, true);
         param_types[0] = I32_TYPE;
         param_types[1] = F64_TYPE;
         param_types[2] = F64_TYPE;
-        res = aot_call_llvm_intrinsic(comp_ctx, func_ctx, "f64_cmp", I32_TYPE, param_types, 3, opcond, lhs, rhs);
+        res = aot_call_llvm_intrinsic(comp_ctx, func_ctx, "f64_cmp", I32_TYPE,
+                                      param_types, 3, opcond, lhs, rhs);
+        if (!res) {
+            goto fail;
+        }
         res = LLVMBuildIntCast(comp_ctx->builder, res, INT1_TYPE, "bit_cast");
     }
-    else
-    {
+    else {
         res = LLVMBuildFCmp(comp_ctx->builder, op, lhs, rhs, "f64_cmp");
     }
 
-    if (!res)
-    {
+    if (!res) {
         aot_set_last_error("llvm build compare failed.");
         return false;
     }

core/iwasm/compilation/aot_emit_conversion.c

@@ -6,8 +6,8 @@
 #include "aot_emit_conversion.h"
 #include "aot_emit_exception.h"
 #include "aot_emit_numberic.h"
-#include "aot_intrinsic.h"
-#include "aot_runtime.h"
+#include "../aot/aot_intrinsic.h"
+#include "../aot/aot_runtime.h"
 
 static bool
 trunc_float_to_int(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
@@ -29,6 +29,9 @@ trunc_float_to_int(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
         res = aot_call_llvm_intrinsic(
           comp_ctx, func_ctx, src_type == F32_TYPE ? "f32_cmp" : "f64_cmp",
           I32_TYPE, param_types, 3, opcond, operand, operand);
+        if (!res) {
+            goto fail;
+        }
         res = LLVMBuildIntCast(comp_ctx->builder, res, INT1_TYPE, "bit_cast");
     }
     else {
@@ -67,6 +70,9 @@ trunc_float_to_int(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
         is_less = aot_call_llvm_intrinsic(
           comp_ctx, func_ctx, src_type == F32_TYPE ? "f32_cmp" : "f64_cmp",
           I32_TYPE, param_types, 3, opcond, operand, min_value);
+        if (!is_less) {
+            goto fail;
+        }
         is_less =
           LLVMBuildIntCast(comp_ctx->builder, is_less, INT1_TYPE, "bit_cast");
     }
@@ -91,6 +97,9 @@ trunc_float_to_int(AOTCompContext *comp_ctx, AOTFuncContext *func_ctx,
         is_greater = aot_call_llvm_intrinsic(
           comp_ctx, func_ctx, src_type == F32_TYPE ? "f32_cmp" : "f64_cmp",
           I32_TYPE, param_types, 3, opcond, operand, max_value);
+        if (!is_greater) {
+            goto fail;
+        }
         is_greater = LLVMBuildIntCast(comp_ctx->builder, is_greater, INT1_TYPE,
                                       "bit_cast");
     }