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translate-c: update to llvm8

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This commit is contained in:
Andrew Kelley 2019-01-08 16:49:52 -05:00
parent 036a49e97d
commit 1ca983dbd7
1 changed files with 13 additions and 3 deletions
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16
src/translate_c.cpp
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@ -129,6 +129,7 @@ static TransScope *trans_stmt(Context *c, TransScope *scope, const Stmt *stmt, A
static AstNode *trans_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr, TransLRValue lrval);
static AstNode *trans_qual_type(Context *c, QualType qt, const SourceLocation &source_loc);
static AstNode *trans_bool_expr(Context *c, ResultUsed result_used, TransScope *scope, const Expr *expr, TransLRValue lrval);
static AstNode *trans_ap_value(Context *c, APValue *ap_value, QualType qt, const SourceLocation &source_loc);
ATTRIBUTE_PRINTF(3, 4)
static void emit_warning(Context *c, const SourceLocation &sl, const char *format, ...) {
@ -1225,6 +1226,15 @@ static AstNode *trans_integer_literal(Context *c, const IntegerLiteral *stmt) {
return trans_create_node_apint(c, result.Val.getInt());
}
static AstNode *trans_constant_expr(Context *c, const ConstantExpr *expr) {
Expr::EvalResult result;
if (!expr->EvaluateAsConstantExpr(result, Expr::EvaluateForCodeGen, *c->ctx)) {
emit_warning(c, expr->getBeginLoc(), "invalid constant expression");
return nullptr;
}
return trans_ap_value(c, &result.Val, expr->getType(), expr->getBeginLoc());
}
static AstNode *trans_conditional_operator(Context *c, ResultUsed result_used, TransScope *scope,
const ConditionalOperator *stmt)
{
@ -3183,6 +3193,9 @@ static int trans_stmt_extra(Context *c, TransScope *scope, const Stmt *stmt,
return trans_switch_case(c, scope, (const CaseStmt *)stmt, out_node, out_child_scope);
case Stmt::DefaultStmtClass:
return trans_switch_default(c, scope, (const DefaultStmt *)stmt, out_node, out_child_scope);
case Stmt::ConstantExprClass:
return wrap_stmt(out_node, out_child_scope, scope,
trans_constant_expr(c, (const ConstantExpr *)stmt));
case Stmt::NoStmtClass:
emit_warning(c, stmt->getBeginLoc(), "TODO handle C NoStmtClass");
return ErrorUnexpected;
@ -3690,9 +3703,6 @@ static int trans_stmt_extra(Context *c, TransScope *scope, const Stmt *stmt,
case Stmt::FixedPointLiteralClass:
emit_warning(c, stmt->getBeginLoc(), "TODO handle C FixedPointLiteralClass");
return ErrorUnexpected;
case Stmt::ConstantExprClass:
emit_warning(c, stmt->getBeginLoc(), "TODO handle C ConstantExprClass");
return ErrorUnexpected;
}
zig_unreachable();
}