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Check properly has use list.

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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
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7
src/compiler/llvm_codegen_expr.c
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@@ -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);