shishantbiswas/c3c
1
1
Fork 0
mirror of https://github.com/c3lang/c3c.git synced 2026-02-27 03:51:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check properly has use list.

Browse Source
This commit is contained in:
Christoffer Lerno
2026-01-07 19:59:40 +01:00
parent fa2e6e8189
commit 4d93db51ee
3 changed files with 11 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/compiler/llvm_codegen_expr.c
View File

@@ -1330,7 +1330,7 @@ static void llvm_prune_optional(GenContext *c, LLVMBasicBlockRef discard_fail)
// <insert point>
// Find the use of this block.
LLVMUseRef use = LLVMGetFirstUse(block_value);
LLVMUseRef use = LLVMHasUseList(block_value) ? LLVMGetFirstUse(block_value) : NULL;
if (!use) return;
LLVMValueRef maybe_br = LLVMGetUser(use);
@@ -1356,7 +1356,8 @@ static void llvm_prune_optional(GenContext *c, LLVMBasicBlockRef discard_fail)
LLVMInstructionEraseFromParent(maybe_br);
// Optionally remove the comparison
if (!LLVMGetFirstUse(compared))
if (LLVMHasUseList(compared) && !LLVMGetFirstUse(compared))
{
LLVMValueRef operand = NULL;
if (LLVMGetInstructionOpcode(compared) == LLVMCall)
@@ -5255,7 +5256,7 @@ void llvm_emit_parameter(GenContext *c, LLVMValueRef *args, unsigned *arg_count_
}
LLVMValueRef val = be_value->value;
// Maybe it's just created? Let's optimize codegen.
if (!LLVMGetFirstUse(val) && LLVMIsAInsertValueInst(val) && LLVMIsAInsertValueInst(
if (LLVMHasUseList(val) && !LLVMGetFirstUse(val) && LLVMIsAInsertValueInst(val) && LLVMIsAInsertValueInst(
LLVMGetPreviousInstruction(val)))
{
LLVMValueRef prev = LLVMGetPreviousInstruction(val);

1
wrapper/include/c3_llvm.h
View File

@@ -75,6 +75,7 @@ bool llvm_link_mingw(const char **args, int arg_count, const char **error_string
bool llvm_ar(const char *out_name, const char **args, size_t count, int ArFormat);
LLVMValueRef LLVMConstBswap(LLVMValueRef ConstantVal);
bool LLVMHasUseList(LLVMValueRef value);
void LLVMBuilderSetFastMathFlags(LLVMBuilderRef Builder, FastMathOption option);
void LLVMSetDSOLocal(LLVMValueRef Global, bool value);
void LLVMSetTargetMachineUseInitArray(LLVMTargetMachineRef ref, bool use_init_array);

6
wrapper/src/wrapper.cpp
View File

@@ -356,6 +356,12 @@ void LLVMBuilderSetFastMathFlags(LLVMBuilderRef Builder, FastMathOption option)
llvm::unwrap(Builder)->setFastMathFlags(math_flags);
}
bool LLVMHasUseList(LLVMValueRef value)
{
llvm::Value *val = llvm::unwrap<llvm::Value>(value);
return val->hasUseList();
}
LLVMValueRef LLVMConstBswap(LLVMValueRef ConstantVal)
{
llvm::Constant *Val = llvm::unwrap<llvm::Constant>(ConstantVal);